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BlackCat Ransomware Group Implodes After Apparent $22M Payment by Change Healthcare

By BrianKrebs

There are indications that U.S. healthcare giant Change Healthcare has made a $22 million extortion payment to the infamous BlackCat ransomware group (a.k.a. “ALPHV“) as the company struggles to bring services back online amid a cyberattack that has disrupted prescription drug services nationwide for weeks. However, the cybercriminal who claims to have given BlackCat access to Change’s network says the crime gang cheated them out of their share of the ransom, and that they still have the sensitive data Change reportedly paid the group to destroy. Meanwhile, the affiliate’s disclosure appears to have prompted BlackCat to cease operations entirely.

Image: Varonis.

In the third week of February, a cyber intrusion at Change Healthcare began shutting down important healthcare services as company systems were taken offline. It soon emerged that BlackCat was behind the attack, which has disrupted the delivery of prescription drugs for hospitals and pharmacies nationwide for nearly two weeks.

On March 1, a cryptocurrency address that security researchers had already mapped to BlackCat received a single transaction worth approximately $22 million. On March 3, a BlackCat affiliate posted a complaint to the exclusive Russian-language ransomware forum Ramp saying that Change Healthcare had paid a $22 million ransom for a decryption key, and to prevent four terabytes of stolen data from being published online.

The affiliate claimed BlackCat/ALPHV took the $22 million payment but never paid him his percentage of the ransom. BlackCat is known as a “ransomware-as-service” collective, meaning they rely on freelancers or affiliates to infect new networks with their ransomware. And those affiliates in turn earn commissions ranging from 60 to 90 percent of any ransom amount paid.

“But after receiving the payment ALPHV team decide to suspend our account and keep lying and delaying when we contacted ALPHV admin,” the affiliate “Notchy” wrote. “Sadly for Change Healthcare, their data [is] still with us.”

Change Healthcare has neither confirmed nor denied paying, and has responded to multiple media outlets with a similar non-denial statement — that the company is focused on its investigation and on restoring services.

Assuming Change Healthcare did pay to keep their data from being published, that strategy seems to have gone awry: Notchy said the list of affected Change Healthcare partners they’d stolen sensitive data from included Medicare and a host of other major insurance and pharmacy networks.

On the bright side, Notchy’s complaint seems to have been the final nail in the coffin for the BlackCat ransomware group, which was infiltrated by the FBI and foreign law enforcement partners in late December 2023. As part of that action, the government seized the BlackCat website and released a decryption tool to help victims recover their systems.

BlackCat responded by re-forming, and increasing affiliate commissions to as much as 90 percent. The ransomware group also declared it was formally removing any restrictions or discouragement against targeting hospitals and healthcare providers.

However, instead of responding that they would compensate and placate Notchy, a representative for BlackCat said today the group was shutting down and that it had already found a buyer for its ransomware source code.

The seizure notice now displayed on the BlackCat darknet website.

“There’s no sense in making excuses,” wrote the RAMP member “Ransom.” “Yes, we knew about the problem, and we were trying to solve it. We told the affiliate to wait. We could send you our private chat logs where we are shocked by everything that’s happening and are trying to solve the issue with the transactions by using a higher fee, but there’s no sense in doing that because we decided to fully close the project. We can officially state that we got screwed by the feds.”

BlackCat’s website now features a seizure notice from the FBI, but several researchers noted that this image seems to have been merely cut and pasted from the notice the FBI left in its December raid of BlackCat’s network. The FBI has not responded to requests for comment.

Fabian Wosar, head of ransomware research at the security firm Emsisoft, said it appears BlackCat leaders are trying to pull an “exit scam” on affiliates by withholding many ransomware payment commissions at once and shutting down the service.

“ALPHV/BlackCat did not get seized,” Wosar wrote on Twitter/X today. “They are exit scamming their affiliates. It is blatantly obvious when you check the source code of their new takedown notice.”

Dmitry Smilyanets, a researcher for the security firm Recorded Future, said BlackCat’s exit scam was especially dangerous because the affiliate still has all the stolen data, and could still demand additional payment or leak the information on his own.

“The affiliates still have this data, and they’re mad they didn’t receive this money, Smilyanets told Wired.com. “It’s a good lesson for everyone. You cannot trust criminals; their word is worth nothing.”

BlackCat’s apparent demise comes closely on the heels of the implosion of another major ransomware group — LockBit, a ransomware gang estimated to have extorted over $120 million in payments from more than 2,000 victims worldwide. On Feb. 20, LockBit’s website was seized by the FBI and the U.K.’s National Crime Agency (NCA) following a months-long infiltration of the group.

LockBit also tried to restore its reputation on the cybercrime forums by resurrecting itself at a new darknet website, and by threatening to release data from a number of major companies that were hacked by the group in the weeks and days prior to the FBI takedown.

But LockBit appears to have since lost any credibility the group may have once had. After a much-promoted attack on the government of Fulton County, Ga., for example, LockBit threatened to release Fulton County’s data unless paid a ransom by Feb. 29. But when Feb. 29 rolled around, LockBit simply deleted the entry for Fulton County from its site, along with those of several financial organizations that had previously been extorted by the group.

Fulton County held a press conference to say that it had not paid a ransom to LockBit, nor had anyone done so on their behalf, and that they were just as mystified as everyone else as to why LockBit never followed through on its threat to publish the county’s data. Experts told KrebsOnSecurity LockBit likely balked because it was bluffing, and that the FBI likely relieved them of that data in their raid.

Smilyanets’ comments are driven home in revelations first published last month by Recorded Future, which quoted an NCA official as saying LockBit never deleted the data after being paid a ransom, even though that is the only reason many of its victims paid.

“If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future,” LockBit’s extortion notes typically read.

Hopefully, more companies are starting to get the memo that paying cybercrooks to delete stolen data is a losing proposition all around.

Fulton County, Security Experts Call LockBit’s Bluff

By BrianKrebs

The ransomware group LockBit told officials with Fulton County, Ga. they could expect to see their internal documents published online this morning unless the county paid a ransom demand. LockBit removed Fulton County’s listing from its victim shaming website this morning, claiming the county had paid. But county officials said they did not pay, nor did anyone make payment on their behalf. Security experts say LockBit was likely bluffing and probably lost most of the data when the gang’s servers were seized this month by U.S. and U.K. law enforcement.

The LockBit website included a countdown timer until the promised release of data stolen from Fulton County, Ga. LockBit would later move this deadline up to Feb. 29, 2024.

LockBit listed Fulton County as a victim on Feb. 13, saying that unless it was paid a ransom the group would publish files stolen in a breach at the county last month. That attack disrupted county phones, Internet access and even their court system. LockBit leaked a small number of the county’s files as a teaser, which appeared to include sensitive and sealed court records in current and past criminal trials.

On Feb. 16, Fulton County’s entry — along with a countdown timer until the data would be published — was removed from the LockBit website without explanation. The leader of LockBit told KrebsOnSecurity this was because Fulton County officials had engaged in last-minute negotiations with the group.

But on Feb. 19, investigators with the FBI and the U.K.’s National Crime Agency (NCA) took over LockBit’s online infrastructure, replacing the group’s homepage with a seizure notice and links to LockBit ransomware decryption tools.

In a press briefing on Feb. 20, Fulton County Commission Chairman Robb Pitts told reporters the county did not pay a ransom demand, noting that the board “could not in good conscience use Fulton County taxpayer funds to make a payment.”

Three days later, LockBit reemerged with new domains on the dark web, and with Fulton County listed among a half-dozen other victims whose data was about to be leaked if they refused to pay. As it does with all victims, LockBit assigned Fulton County a countdown timer, saying officials had until late in the evening on March 1 until their data was published.

LockBit revised its deadline for Fulton County to Feb. 29.

LockBit soon moved up the deadline to the morning of Feb. 29. As Fulton County’s LockBit timer was counting down to zero this morning, its listing disappeared from LockBit’s site. LockBit’s leader and spokesperson, who goes by the handle “LockBitSupp,” told KrebsOnSecurity today that Fulton County’s data disappeared from their site because county officials paid a ransom.

“Fulton paid,” LockBitSupp said. When asked for evidence of payment, LockBitSupp claimed. “The proof is that we deleted their data and did not publish it.”

But at a press conference today, Fulton County Chairman Robb Pitts said the county does not know why its data was removed from LockBit’s site.

“As I stand here at 4:08 p.m., we are not aware of any data being released today so far,” Pitts said. “That does not mean the threat is over. They could release whatever data they have at any time. We have no control over that. We have not paid any ransom. Nor has any ransom been paid on our behalf.”

Brett Callow, a threat analyst with the security firm Emsisoft, said LockBit likely lost all of the victim data it stole before the FBI/NCA seizure, and that it has been trying madly since then to save face within the cybercrime community.

“I think it was a case of them trying to convince their affiliates that they were still in good shape,” Callow said of LockBit’s recent activities. “I strongly suspect this will be the end of the LockBit brand.”

Others have come to a similar conclusion. The security firm RedSense posted an analysis to Twitter/X that after the takedown, LockBit published several “new” victim profiles for companies that it had listed weeks earlier on its victim shaming site. Those victim firms — a healthcare provider and major securities lending platform — also were unceremoniously removed from LockBit’s new shaming website, despite LockBit claiming their data would be leaked.

“We are 99% sure the rest of their ‘new victims’ are also fake claims (old data for new breaches),” RedSense posted. “So the best thing for them to do would be to delete all other entries from their blog and stop defrauding honest people.”

Callow said there certainly have been plenty of cases in the past where ransomware gangs exaggerated their plunder from a victim organization. But this time feels different, he said.

“It is a bit unusual,” Callow said. “This is about trying to still affiliates’ nerves, and saying, ‘All is well, we weren’t as badly compromised as law enforcement suggested.’ But I think you’d have to be a fool to work with an organization that has been so thoroughly hacked as LockBit has.”

FBI’s LockBit Takedown Postponed a Ticking Time Bomb in Fulton County, Ga.

By BrianKrebs

The FBI’s takedown of the LockBit ransomware group last week came as LockBit was preparing to release sensitive data stolen from government computer systems in Fulton County, Ga. But LockBit is now regrouping, and the gang says it will publish the stolen Fulton County data on March 2 unless paid a ransom. LockBit claims the cache includes documents tied to the county’s ongoing criminal prosecution of former President Trump, but court watchers say teaser documents published by the crime gang suggest a total leak of the Fulton County data could put lives at risk and jeopardize a number of other criminal trials.

A new LockBit website listing a countdown timer until the promised release of data stolen from Fulton County, Ga.

In early February, Fulton County leaders acknowledged they were responding to an intrusion that caused disruptions for its phone, email and billing systems, as well as a range of county services, including court systems.

On Feb. 13, the LockBit ransomware group posted on its victim shaming blog a new entry for Fulton County, featuring a countdown timer saying the group would publish the data on Feb. 16 unless county leaders agreed to negotiate a ransom.

“We will demonstrate how local structures negligently handled information protection,” LockBit warned. “We will reveal lists of individuals responsible for confidentiality. Documents marked as confidential will be made publicly available. We will show documents related to access to the state citizens’ personal data. We aim to give maximum publicity to this situation; the documents will be of interest to many. Conscientious residents will bring order.”

Yet on Feb. 16, the entry for Fulton County was removed from LockBit’s site without explanation. This usually only happens after the victim in question agrees to pay a ransom demand and/or enters into negotiations with their extortionists.

However, Fulton County Commission Chairman Robb Pitts said the board decided it “could not in good conscience use Fulton County taxpayer funds to make a payment.”

“We did not pay nor did anyone pay on our behalf,” Pitts said at an incident briefing on Feb. 20.

Just hours before that press conference, LockBit’s various websites were seized by the FBI and the U.K.’s National Crime Agency (NCA), which replaced the ransomware group’s homepage with a seizure notice and used the existing design of LockBit’s victim shaming blog to publish press releases about the law enforcement action.

The feds used the existing design on LockBit’s victim shaming website to feature press releases and free decryption tools.

Dubbed “Operation Cronos,” the effort involved the seizure of nearly three-dozen servers; the arrest of two alleged LockBit members; the release of a free LockBit decryption tool; and the freezing of more than 200 cryptocurrency accounts thought to be tied to the gang’s activities. The government says LockBit has claimed more than 2,000 victims worldwide and extorted over $120 million in payments.

UNFOLDING DISASTER

In a lengthy, rambling letter published on Feb. 24 and addressed to the FBI, the ransomware group’s leader LockBitSupp announced that their victim shaming websites were once again operational on the dark web, with fresh countdown timers for Fulton County and a half-dozen other recent victims.

“The FBI decided to hack now for one reason only, because they didn’t want to leak information fultoncountyga.gov,” LockBitSupp wrote. “The stolen documents contain a lot of interesting things and Donald Trump’s court cases that could affect the upcoming US election.”

A screen shot released by LockBit showing various Fulton County file shares that were exposed.

LockBit has already released roughly two dozen files allegedly stolen from Fulton County government systems, although none of them involve Mr. Trump’s criminal trial. But the documents do appear to include court records that are sealed and shielded from public viewing.

George Chidi writes The Atlanta Objective, a Substack publication on crime in Georgia’s capital city. Chidi says the leaked data so far includes a sealed record related to a child abuse case, and a sealed motion in the murder trial of Juwuan Gaston demanding the state turn over confidential informant identities.

Chidi cites reports from a Fulton County employee who said the confidential material includes the identities of jurors serving on the trial of the rapper Jeffery “Young Thug” Williams, who is charged along with five other defendants in a racketeering and gang conspiracy.

“The screenshots suggest that hackers will be able to give any attorney defending a criminal case in the county a starting place to argue that evidence has been tainted or witnesses intimidated, and that the release of confidential information has compromised cases,” Chidi wrote. “Judge Ural Glanville has, I am told by staff, been working feverishly behind the scenes over the last two weeks to manage the unfolding disaster.”

LockBitSupp also denied assertions made by the U.K.’s NCA that LockBit did not delete stolen data as promised when victims agreed to pay a ransom. The accusation is an explosive one because nobody will pay a ransom if they don’t believe the ransomware group will hold up its end of the bargain.

The ransomware group leader also confirmed information first reported here last week, that federal investigators managed to hack LockBit by exploiting a known vulnerability in PHP, a scripting language that is widely used in Web development.

“Due to my personal negligence and irresponsibility I relaxed and did not update PHP in time,” LockBitSupp wrote. “As a result of which access was gained to the two main servers where this version of PHP was installed.”

LockBitSupp’s FBI letter said the group kept copies of its stolen victim data on servers that did not use PHP, and that consequently it was able to retain copies of files stolen from victims. The letter also listed links to multiple new instances of LockBit dark net websites, including the leak page listing Fulton County’s new countdown timer.

LockBit’s new data leak site promises to release stolen Fulton County data on March 2, 2024, unless paid a ransom demand.

“Even after the FBI hack, the stolen data will be published on the blog, there is no chance of destroying the stolen data without payment,” LockBitSupp wrote. “All FBI actions are aimed at destroying the reputation of my affiliate program, my demoralization, they want me to leave and quit my job, they want to scare me because they can not find and eliminate me, I can not be stopped, you can not even hope, as long as I am alive I will continue to do pentest with postpaid.”

DOX DODGING

In January 2024, LockBitSupp told XSS forum members he was disappointed the FBI hadn’t offered a reward for his doxing and/or arrest, and that in response he was placing a bounty on his own head — offering $10 million to anyone who could discover his real name.

After the NCA and FBI seized LockBit’s site, the group’s homepage was retrofitted with a blog entry titled, “Who is LockBitSupp? The $10M question.” The teaser made use of LockBit’s own countdown timer, and suggested the real identity of LockBitSupp would soon be revealed.

However, after the countdown timer expired the page was replaced with a taunting message from the feds, but it included no new information about LockBitSupp’s identity.

On Feb. 21, the U.S. Department of State announced rewards totaling up to $15 million for information leading to the arrest and/or conviction of anyone participating in LockBit ransomware attacks. The State Department said $10 million of that is for information on LockBit’s leaders, and up to $5 million is offered for information on affiliates.

In an interview with the malware-focused Twitter/X account Vx-Underground, LockBit staff asserted that authorities had arrested a couple of small-time players in their operation, and that investigators still do not know the real-life identities of the core LockBit members, or that of their leader.

“They assert the FBI / NCA UK / EUROPOL do not know their information,” Vx-Underground wrote. “They state they are willing to double the bounty of $10,000,000. They state they will place a $20,000,000 bounty of their own head if anyone can dox them.”

TROUBLE ON THE HOMEFRONT?

In the weeks leading up to the FBI/NCA takedown, LockBitSupp became embroiled in a number of high-profile personal and business disputes on the Russian cybercrime forums.

Earlier this year, someone used LockBit ransomware to infect the networks of AN-Security, a venerated 30-year-old security and technology company based in St. Petersburg, Russia. This violated the golden rule for cybercriminals based in Russia and former soviet nations that make up the Commonwealth of Independent States, which is that attacking your own citizens in those countries is the surest way to get arrested and prosecuted by local authorities.

LockBitSupp later claimed the attacker had used a publicly leaked, older version of LockBit to compromise systems at AN-Security, and said the attack was an attempt to smear their reputation by a rival ransomware group known as “Clop.” But the incident no doubt prompted closer inspection of LockBitSupp’s activities by Russian authorities.

Then in early February, the administrator of the Russian-language cybercrime forum XSS said LockBitSupp had threatened to have him killed after the ransomware group leader was banned by the community. LockBitSupp was excommunicated from XSS after he refused to pay an arbitration amount ordered by the forum administrator. That dispute related to a complaint from another forum member who said LockBitSupp recently stiffed him on his promised share of an unusually large ransomware payout.

A posted by the XSS administrator saying LockBitSupp wanted him dead.

INTERVIEW WITH LOCKBITSUPP

KrebsOnSecurity sought comment from LockBitSupp at the ToX instant messenger ID listed in his letter to the FBI. LockBitSupp declined to elaborate on the unreleased documents from Fulton County, saying the files will be available for everyone to see in a few days.

LockBitSupp said his team was still negotiating with Fulton County when the FBI seized their servers, which is why the county has been granted a time extension. He also denied threatening to kill the XSS administrator.

“I have not threatened to kill the XSS administrator, he is blatantly lying, this is to cause self-pity and damage my reputation,” LockBitSupp told KrebsOnSecurity. “It is not necessary to kill him to punish him, there are more humane methods and he knows what they are.”

Asked why he was so certain the FBI doesn’t know his real-life identity, LockBitSupp was more precise.

“I’m not sure the FBI doesn’t know who I am,” he said. “I just believe they will never find me.”

It seems unlikely that the FBI’s seizure of LockBit’s infrastructure was somehow an effort to stave off the disclosure of Fulton County’s data, as LockBitSupp maintains. For one thing, Europol said the takedown was the result of a months-long infiltration of the ransomware group.

Also, in reporting on the attack’s disruption to the office of Fulton County District Attorney Fani Willis on Feb. 14, CNN reported that by then the intrusion by LockBit had persisted for nearly two and a half weeks.

Finally, if the NCA and FBI really believed that LockBit never deleted victim data, they had to assume LockBit would still have at least one copy of all their stolen data hidden somewhere safe.

Fulton County is still trying to recover systems and restore services affected by the ransomware attack. “Fulton County continues to make substantial progress in restoring its systems following the recent ransomware incident resulting in service outages,” reads the latest statement from the county on Feb. 22. “Since the start of this incident, our team has been working tirelessly to bring services back up.”

Update, Feb. 29, 3:22 p.m. ET: Just hours after this story ran, LockBit changed its countdown timer for Fulton County saying they had until the morning of Feb. 29 (today) to pay a ransonm demand. When the official deadline neared today, Fulton County’s listing was removed from LockBit’s victim shaming website. Asked about the removal of the listing, LockBit’s leader “LockBitSupp” told KrebsOnSecurity that Fulton County paid a ransom demand. County officials have scheduled a press conference on the ransomware attack at 4:15 p.m. ET today.

New Leak Shows Business Side of China’s APT Menace

By BrianKrebs

A new data leak that appears to have come from one of China’s top private cybersecurity firms provides a rare glimpse into the commercial side of China’s many state-sponsored hacking groups. Experts say the leak illustrates how Chinese government agencies increasingly are contracting out foreign espionage campaigns to the nation’s burgeoning and highly competitive cybersecurity industry.

A marketing slide deck promoting i-SOON’s Advanced Persistent Threat (APT) capabilities.

A large cache of more than 500 documents published to GitHub last week indicate the records come from i-SOON, a technology company headquartered in Shanghai that is perhaps best known for providing cybersecurity training courses throughout China. But the leaked documents, which include candid employee chat conversations and images, show a less public side of i-SOON, one that frequently initiates and sustains cyberespionage campaigns commissioned by various Chinese government agencies.

The leaked documents suggest i-SOON employees were responsible for a raft of cyber intrusions over many years, infiltrating government systems in the United Kingdom and countries throughout Asia. Although the cache does not include raw data stolen from cyber espionage targets, it features numerous documents listing the level of access gained and the types of data exposed in each intrusion.

Security experts who reviewed the leaked data say they believe the information is legitimate, and that i-SOON works closely with China’s Ministry of Public Security and the military. In 2021, the Sichuan provincial government named i-SOON as one of “the top 30 information security companies.”

“The leak provides some of the most concrete details seen publicly to date, revealing the maturing nature of China’s cyber espionage ecosystem,” said Dakota Cary, a China-focused consultant at the security firm SentinelOne. “It shows explicitly how government targeting requirements drive a competitive marketplace of independent contractor hackers-for-hire.”

Mei Danowski is a former intelligence analyst and China expert who now writes about her research in a Substack publication called Natto Thoughts. Danowski said i-SOON has achieved the highest secrecy classification that a non-state-owned company can receive, which qualifies the company to conduct classified research and development related to state security.

i-SOON’s “business services” webpage states that the company’s offerings include public security, anti-fraud, blockchain forensics, enterprise security solutions, and training. Danowski said that in 2013, i-SOON established a department for research on developing new APT network penetration methods.

APT stands for Advanced Persistent Threat, a term that generally refers to state-sponsored hacking groups. Indeed, among the documents apparently leaked from i-SOON is a sales pitch slide boldly highlighting the hacking prowess of the company’s “APT research team” (see screenshot above).

i-SOON CEO Wu Haibo, in 2011. Image: nattothoughts.substack.com.

The leaked documents included a lengthy chat conversation between the company’s founders, who repeatedly discuss flagging sales and the need to secure more employees and government contracts. Danowski said the CEO of i-SOON, Wu Haibo (“Shutdown” in the leaked chats) is a well-known first-generation red hacker or “Honker,” and an early member of Green Army — the very first Chinese hacktivist group founded in 1997. Mr. Haibo has not yet responded to a request for comment.

In October 2023, Danowski detailed how i-SOON became embroiled in a software development contract dispute when it was sued by a competing Chinese cybersecurity company called Chengdu 404. In September 2020, the U.S. Department of Justice unsealed indictments against multiple Chengdu 404 employees, charging that the company was a facade that hid more than a decade’s worth of cyber intrusions attributed to a threat actor group known as “APT 41.”

Danowski said the existence of this legal dispute suggests that Chengdu 404 and i-SOON have or at one time had a business relationship, and that one company likely served as a subcontractor to the other.

“From what they chat about we can see this is a very competitive industry, where companies in this space are constantly poaching each others’ employees and tools,” Danowski said. “The infosec industry is always trying to distinguish [the work] of one APT group from another. But that’s getting harder to do.”

It remains unclear if i-SOON’s work has earned it a unique APT designation. But Will Thomas, a cyber threat intelligence researcher at Equinix, found an Internet address in the leaked data that corresponds to a domain flagged in a 2019 Citizen Lab report about one-click mobile phone exploits that were being used to target groups in Tibet. The 2019 report referred to the threat actor behind those attacks as an APT group called Poison Carp.

Several images and chat records in the data leak suggest i-SOON’s clients periodically gave the company a list of targets they wanted to infiltrate, but sometimes employees confused the instructions. One screenshot shows a conversation in which an employee tells his boss they’ve just hacked one of the universities on their latest list, only to be told that the victim in question was not actually listed as a desired target.

The leaked chats show i-SOON continuously tried to recruit new talent by hosting a series of hacking competitions across China. It also performed charity work, and sought to engage employees and sustain morale with various team-building events.

However, the chats include multiple conversations between employees commiserating over long hours and low pay. The overall tone of the discussions indicates employee morale was quite low and that the workplace environment was fairly toxic. In several of the conversations, i-SOON employees openly discuss with their bosses how much money they just lost gambling online with their mobile phones while at work.

Danowski believes the i-SOON data was probably leaked by one of those disgruntled employees.

“This was released the first working day after the Chinese New Year,” Danowski said. “Definitely whoever did this planned it, because you can’t get all this information all at once.”

SentinelOne’s Cary said he came to the same conclusion, noting that the Protonmail account tied to the GitHub profile that published the records was registered a month before the leak, on January 15, 2024.

China’s much vaunted Great Firewall not only lets the government control and limit what citizens can access online, but this distributed spying apparatus allows authorities to block data on Chinese citizens and companies from ever leaving the country.

As a result, China enjoys a remarkable information asymmetry vis-a-vis virtually all other industrialized nations. Which is why this apparent data leak from i-SOON is such a rare find for Western security researchers.

“I was so excited to see this,” Cary said. “Every day I hope for data leaks coming out of China.”

That information asymmetry is at the heart of the Chinese government’s cyberwarfare goals, according to a 2023 analysis by Margin Research performed on behalf of the Defense Advanced Research Projects Agency (DARPA).

“In the area of cyberwarfare, the western governments see cyberspace as a ‘fifth domain’ of warfare,” the Margin study observed. “The Chinese, however, look at cyberspace in the broader context of information space. The ultimate objective is, not ‘control’ of cyberspace, but control of information, a vision that dominates China’s cyber operations.”

The National Cybersecurity Strategy issued by the White House last year singles out China as the biggest cyber threat to U.S. interests. While the United States government does contract certain aspects of its cyber operations to companies in the private sector, it does not follow China’s example in promoting the wholesale theft of state and corporate secrets for the commercial benefit of its own private industries.

Dave Aitel, a co-author of the Margin Research report and former computer scientist at the U.S. National Security Agency, said it’s nice to see that Chinese cybersecurity firms have to deal with all of the same contracting headaches facing U.S. companies seeking work with the federal government.

“This leak just shows there’s layers of contractors all the way down,” Aitel said. “It’s pretty fun to see the Chinese version of it.”

LockBit Ransomware Operation Shut Down; Criminals Arrested; Decryption Keys Released

By Newsroom
The U.K. National Crime Agency (NCA) on Tuesday confirmed that it obtained LockBit's source code as well as a wealth of intelligence pertaining to its activities and their affiliates as part of a dedicated task force called Operation Cronos. "Some of the data on LockBit's systems belonged to victims who had paid a ransom to the threat actors, evidencing that even when a ransom is paid, it

How Businesses Can Safeguard Their Communication Channels Against Hackers

By Anonymous
Efficient communication is a cornerstone of business success. Internally, making sure your team communicates seamlessly helps you avoid friction losses, misunderstandings, delays, and overlaps. Externally, frustration-free customer communication is directly correlated to a positive customer experience and higher satisfaction.  However, business communication channels are also a major target

U.S. State Government Network Breached via Former Employee's Account

By Newsroom
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed state government organization's network environment was compromised via an administrator account belonging to a former employee. "This allowed the threat actor to successfully authenticate to an internal virtual private network (VPN) access point," the agency said in a joint advisory published

U.S. Internet Leaked Years of Internal, Customer Emails

By BrianKrebs

The Minnesota-based Internet provider U.S. Internet Corp. has a business unit called Securence, which specializes in providing filtered, secure email services to businesses, educational institutions and government agencies worldwide. But until it was notified last week, U.S. Internet was publishing more than a decade’s worth of its internal email — and that of thousands of Securence clients — in plain text out on the Internet and just a click away for anyone with a Web browser.

Headquartered in Minnetonka, Minn., U.S. Internet is a regional ISP that provides fiber and wireless Internet service. The ISP’s Securence division bills itself “a leading provider of email filtering and management software that includes email protection and security services for small business, enterprise, educational and government institutions worldwide.”

U.S. Internet/Securence says your email is secure. Nothing could be further from the truth.

Roughly a week ago, KrebsOnSecurity was contacted by Hold Security, a Milwaukee-based cybersecurity firm. Hold Security founder Alex Holden said his researchers had unearthed a public link to a U.S. Internet email server listing more than 6,500 domain names, each with its own clickable link.

A tiny portion of the more than 6,500 customers who trusted U.S. Internet with their email.

Drilling down into those individual domain links revealed inboxes for each employee or user of these exposed host names. Some of the emails dated back to 2008; others were as recent as the present day.

Securence counts among its customers dozens of state and local governments, including: nc.gov — the official website of North Carolina; stillwatermn.gov, the website for the city of Stillwater, Minn.; and cityoffrederickmd.gov, the website for the government of Frederick, Md.

Incredibly, included in this giant index of U.S. Internet customer emails were the internal messages for every current and former employee of U.S. Internet and its subsidiary USI Wireless. Since that index also included the messages of U.S. Internet’s CEO Travis Carter, KrebsOnSecurity forwarded one of Mr. Carter’s own recent emails to him, along with a request to understand how exactly the company managed to screw things up so spectacularly.

Individual inboxes of U.S. Wireless employees were published in clear text on the Internet.

Within minutes of that notification, U.S. Internet pulled all of the published inboxes offline. Mr. Carter responded and said his team was investigating how it happened. In the same breath, the CEO asked if KrebsOnSecurity does security consulting for hire (I do not).

[Author’s note: Perhaps Mr. Carter was frantically casting about for any expertise he could find in a tough moment. But I found the request personally offensive, because I couldn’t shake the notion that maybe the company was hoping it could buy my silence.]

Earlier this week, Mr. Carter replied with a highly technical explanation that ultimately did little to explain why or how so many internal and customer inboxes were published in plain text on the Internet.

“The feedback from my team was a issue with the Ansible playbook that controls the Nginx configuration for our IMAP servers,” Carter said, noting that this incorrect configuration was put in place by a former employee and never caught. U.S. Internet has not shared how long these messages were exposed.

“The rest of the platform and other backend services are being audited to verify the Ansible playbooks are correct,” Carter said.

Holden said he also discovered that hackers have been abusing a Securence link scrubbing and anti-spam service called Url-Shield to create links that look benign but instead redirect visitors to hacked and malicious websites.

“The bad guys modify the malicious link reporting into redirects to their own malicious sites,” Holden said. “That’s how the bad guys drive traffic to their sites and increase search engine rankings.”

For example, clicking the Securence link shown in the screenshot directly above leads one to a website that tries to trick visitors into allowing site notifications by couching the request as a CAPTCHA request designed to separate humans from bots. After approving the deceptive CAPTCHA/notification request, the link forwards the visitor to a Russian internationalized domain name (рпроаг[.]рф).

The link to this malicious and deceptive website was created using Securence’s link-scrubbing service. Notification pop-ups were blocked when this site tried to disguise a prompt for accepting notifications as a form of CAPTCHA.

U.S. Internet has not responded to questions about how long it has been exposing all of its internal and customer emails, or when the errant configuration changes were made. The company also still has not disclosed the incident on its website. The last press release on the site dates back to March 2020.

KrebsOnSecurity has been writing about data breaches for nearly two decades, but this one easily takes the cake in terms of the level of incompetence needed to make such a huge mistake unnoticed. I’m not sure what the proper response from authorities or regulators should be to this incident, but it’s clear that U.S. Internet should not be allowed to manage anyone’s email unless and until it can demonstrate more transparency, and prove that it has radically revamped its security.

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Arrests in $400M SIM-Swap Tied to Heist at FTX?

By BrianKrebs

Three Americans were charged this week with stealing more than $400 million in a November 2022 SIM-swapping attack. The U.S. government did not name the victim organization, but there is every indication that the money was stolen from the now-defunct cryptocurrency exchange FTX, which had just filed for bankruptcy on that same day.

A graphic illustrating the flow of more than $400 million in cryptocurrencies stolen from FTX on Nov. 11-12, 2022. Image: Elliptic.co.

An indictment unsealed this week and first reported on by Ars Technica alleges that Chicago man Robert Powell, a.k.a. “R,” “R$” and “ElSwapo1,” was the ringleader of a SIM-swapping group called the “Powell SIM Swapping Crew.” Colorado resident Emily “Em” Hernandez allegedly helped the group gain access to victim devices in service of SIM-swapping attacks between March 2021 and April 2023. Indiana resident Carter Rohn, a.k.a. “Carti,” and “Punslayer,” allegedly assisted in compromising devices.

In a SIM-swapping attack, the crooks transfer the target’s phone number to a device they control, allowing them to intercept any text messages or phone calls sent to the victim, including one-time passcodes for authentication or password reset links sent via SMS.

The indictment states that the perpetrators in this heist stole the $400 million in cryptocurrencies on Nov. 11, 2022 after they SIM-swapped an AT&T customer by impersonating them at a retail store using a fake ID. However, the document refers to the victim in this case only by the name “Victim 1.”

Wired’s Andy Greenberg recently wrote about FTX’s all-night race to stop a $1 billion crypto heist that occurred on the evening of November 11:

“FTX’s staff had already endured one of the worst days in the company’s short life. What had recently been one of the world’s top cryptocurrency exchanges, valued at $32 billion only 10 months earlier, had just declared bankruptcy. Executives had, after an extended struggle, persuaded the company’s CEO, Sam Bankman-Fried, to hand over the reins to John Ray III, a new chief executive now tasked with shepherding the company through a nightmarish thicket of debts, many of which it seemed to have no means to pay.”

“FTX had, it seemed, hit rock bottom. Until someone—a thief or thieves who have yet to be identified—chose that particular moment to make things far worse. That Friday evening, exhausted FTX staffers began to see mysterious outflows of the company’s cryptocurrency, publicly captured on the Etherscan website that tracks the Ethereum blockchain, representing hundreds of millions of dollars worth of crypto being stolen in real time.”

The indictment says the $400 million was stolen over several hours between November 11 and 12, 2022. Tom Robinson, co-founder of the blockchain intelligence firm Elliptic, said the attackers in the FTX heist began to drain FTX wallets on the evening of Nov. 11, 2022 local time, and continuing until the 12th of November.

Robinson said Elliptic is not aware of any other crypto heists of that magnitude occurring on that date.

“We put the value of the cryptoassets stolen at $477 million,” Robinson said. “The FTX administrators have reported overall losses due to “unauthorized third-party transfers” of $413 million – the discrepancy is likely due to subsequent seizure and return of some of the stolen assets. Either way, it’s certainly over $400 million, and we are not aware of any other thefts from crypto exchanges on this scale, on this date.”

The SIM-swappers allegedly responsible for the $400 million crypto theft are all U.S. residents. But there are some indications they had help from organized cybercriminals based in Russia. In October 2023, Elliptic released a report that found the money stolen from FTX had been laundered through exchanges with ties to criminal groups based in Russia.

“A Russia-linked actor seems a stronger possibility,” Elliptic wrote. “Of the stolen assets that can be traced through ChipMixer, significant amounts are combined with funds from Russia-linked criminal groups, including ransomware gangs and darknet markets, before being sent to exchanges. This points to the involvement of a broker or other intermediary with a nexus in Russia.”

Nick Bax, director of analytics at the cryptocurrency wallet recovery firm Unciphered, said the flow of stolen FTX funds looks more like what his team has seen from groups based in Eastern Europe and Russian than anything they’ve witnessed from US-based SIM-swappers.

“I was a bit surprised by this development but it seems to be consistent with reports from CISA [the Cybersecurity and Infrastructure Security Agency] and others that “Scattered Spider” has worked with [ransomware] groups like ALPHV/BlackCat,” Bax said.

CISA’s alert on Scattered Spider says they are a cybercriminal group that targets large companies and their contracted information technology (IT) help desks.

“Scattered Spider threat actors, per trusted third parties, have typically engaged in data theft for extortion and have also been known to utilize BlackCat/ALPHV ransomware alongside their usual TTPs,” CISA said, referring to the group’s signature “Tactics, Techniques an Procedures.”

Nick Bax, posting on Twitter/X in Nov 2022 about his research on the $400 million FTX heist.

Earlier this week, KrebsOnSecurity published a story noting that a Florida man recently charged with being part of a SIM-swapping conspiracy is thought to be a key member of Scattered Spider, a hacking group also known as 0ktapus. That group has been blamed for a string of cyber intrusions at major U.S. technology companies during the summer of 2022.

Financial claims involving FTX’s bankruptcy proceedings are being handled by the financial and risk consulting giant Kroll. In August 2023, Kroll suffered its own breach after a Kroll employee was SIM-swapped. According to Kroll, the thieves stole user information for multiple cryptocurrency platforms that rely on Kroll services to handle bankruptcy proceedings.

KrebsOnSecurity sought comment for this story from Kroll, the FBI, the prosecuting attorneys, and Sullivan & Cromwell, the law firm handling the FTX bankruptcy. This story will be updated in the event any of them respond.

Attorneys for Mr. Powell said they do not know who Victim 1 is in the indictment, as the government hasn’t shared that information yet. Powell’s next court date is a detention hearing on Feb. 2, 2024.

Update, Feb. 3, 12:19 p.m. ET: The FBI declined a request to comment.

The SEC Won't Let CISOs Be: Understanding New SaaS Cybersecurity Rules

By The Hacker News
The SEC isn’t giving SaaS a free pass. Applicable public companies, known as “registrants,” are now subject to cyber incident disclosure and cybersecurity readiness requirements for data stored in SaaS systems, along with the 3rd and 4th party apps connected to them.  The new cybersecurity mandates make no distinction between data exposed in a breach that was stored on-premise, in the

Fla. Man Charged in SIM-Swapping Spree is Key Suspect in Hacker Groups Oktapus, Scattered Spider

By BrianKrebs

On Jan. 9, 2024, U.S. authorities arrested a 19-year-old Florida man charged with wire fraud, aggravated identity theft, and conspiring with others to use SIM-swapping to steal cryptocurrency. Sources close to the investigation tell KrebsOnSecurity the accused was a key member of a criminal hacking group blamed for a string of cyber intrusions at major U.S. technology companies during the summer of 2022.

A graphic depicting how 0ktapus leveraged one victim to attack another. Image credit: Amitai Cohen of Wiz.

Prosecutors say Noah Michael Urban of Palm Coast, Fla., stole at least $800,000 from at least five victims between August 2022 and March 2023. In each attack, the victims saw their email and financial accounts compromised after suffering an unauthorized SIM-swap, wherein attackers transferred each victim’s mobile phone number to a new device that they controlled.

The government says Urban went by the aliases “Sosa” and “King Bob,” among others. Multiple trusted sources told KrebsOnSecurity that Sosa/King Bob was a core member of a hacking group behind the 2022 breach at Twilio, a company that provides services for making and receiving text messages and phone calls. Twilio disclosed in Aug. 2022 that an intrusion had exposed a “limited number” of Twilio customer accounts through a sophisticated social engineering attack designed to steal employee credentials.

Shortly after that disclosure, the security firm Group-IB published a report linking the attackers behind the Twilio intrusion to separate breaches at more than 130 organizations, including LastPass, DoorDash, Mailchimp, and Plex. Multiple security firms soon assigned the hacking group the nickname “Scattered Spider.”

Group-IB dubbed the gang by a different name — 0ktapus — which was a nod to how the criminal group phished employees for credentials. The missives asked users to click a link and log in at a phishing page that mimicked their employer’s Okta authentication page. Those who submitted credentials were then prompted to provide the one-time password needed for multi-factor authentication.

A booking photo of Noah Michael Urban released by the Volusia County Sheriff.

0ktapus used newly-registered domains that often included the name of the targeted company, and sent text messages urging employees to click on links to these domains to view information about a pending change in their work schedule. The phishing sites used a Telegram instant message bot to forward any submitted credentials in real-time, allowing the attackers to use the phished username, password and one-time code to log in as that employee at the real employer website.

0ktapus often leveraged information or access gained in one breach to perpetrate another. As documented by Group-IB, the group pivoted from its access to Twilio to attack at least 163 of its customers. Among those was the encrypted messaging app Signal, which said the breach could have let attackers re-register the phone number on another device for about 1,900 users.

Also in August 2022, several employees at email delivery firm Mailchimp provided their remote access credentials to this phishing group. According to an Aug. 12 blog post, the attackers used their access to Mailchimp employee accounts to steal data from 214 customers involved in cryptocurrency and finance.

On August 25, 2022, the password manager service LastPass disclosed a breach in which attackers stole some source code and proprietary LastPass technical information, and weeks later LastPass said an investigation revealed no customer data or password vaults were accessed.

However, on November 30, 2022 LastPass disclosed a far more serious breach that the company said leveraged data stolen in the August breach. LastPass said criminal hackers had stolen encrypted copies of some password vaults, as well as other personal information.

In February 2023, LastPass disclosed that the intrusion involved a highly complex, targeted attack against a DevOps engineer who was one of only four LastPass employees with access to the corporate vault. In that incident, the attackers exploited a security vulnerability in a Plex media server that the employee was running on his home network, and succeeded in installing malicious software that stole passwords and other authentication credentials. The vulnerability exploited by the intruders was patched back in 2020, but the employee never updated his Plex software.

As it happens, Plex announced its own data breach one day before LastPass disclosed its initial August intrusion. On August 24, 2022, Plex’s security team urged users to reset their passwords, saying an intruder had accessed customer emails, usernames and encrypted passwords.

KING BOB’S GRAILS

A review of thousands of messages that Sosa and King Bob posted to several public forums and Discord servers over the past two years shows that the person behind these identities was mainly focused on two things: Sim-swapping, and trading in stolen, unreleased rap music recordings from popular artists.

Indeed, those messages show Sosa/King Bob was obsessed with finding new “grails,” the slang term used in some cybercrime discussion channels to describe recordings from popular artists that have never been officially released. It stands to reason that King Bob was SIM-swapping important people in the music industry to obtain these files, although there is little to support this conclusion from the public chat records available.

“I got the most music in the com,” King Bob bragged in a Discord server in November 2022. “I got thousands of grails.”

King Bob’s chats show he was particularly enamored of stealing the unreleased works of his favorite artists — Lil Uzi Vert, Playboi Carti, and Juice Wrld. When another Discord user asked if he has Eminem grails, King Bob said he was unsure.

“I have two folders,” King Bob explained. “One with Uzi, Carti, Juicewrld. And then I have ‘every other artist.’ Every other artist is unorganized as fuck and has thousands of random shit.”

King Bob’s posts on Discord show he quickly became a celebrity on Leaked[.]cx, one of most active forums for trading, buying and selling unreleased music from popular artists. The more grails that users share with the Leaked[.]cx community, the more their status and access on the forum grows.

The last cache of Leaked dot cx indexed by the archive.org on Jan. 11, 2024.

And King Bob shared a large number of his purloined tunes with this community. Still others he tried to sell. It’s unclear how many of those sales were ever consummated, but it is not unusual for a prized grail to sell for anywhere from $5,000 to $20,000.

In mid-January 2024, several Leaked[.]cx regulars began complaining that they hadn’t seen King Bob in a while and were really missing his grails. On or around Jan. 11, the same day the Justice Department unsealed the indictment against Urban, Leaked[.]cx started blocking people who were trying to visit the site from the United States.

Days later, frustrated Leaked[.]cx users speculated about what could be the cause of the blockage.

“Probs blocked as part of king bob investigation i think?,” wrote the user “Plsdontarrest.” “Doubt he only hacked US artists/ppl which is why it’s happening in multiple countries.”

FORESHADOWING

On Sept. 21, 2022, KrebsOnSecurity told the story of a “Foreshadow,” the nickname chosen by a Florida teenager who was working for a SIM-swapping crew when he was abducted, beaten and held for a $200,000 ransom. A rival SIM-swapping group claimed that Foreshadow and his associates had robbed them of their fair share of the profits from a recent SIM-swap.

In a video released by his abductors on Telegram, a bloodied, battered Foreshadow was made to say they would kill him unless the ransom was paid.

As I wrote in that story, Foreshadow appears to have served as a “holder” — a term used to describe a low-level member of any SIM-swapping group who agrees to carry out the riskiest and least rewarding role of the crime: Physically keeping and managing the various mobile devices and SIM cards that are used in SIM-swapping scams.

KrebsOnSecurity has since learned that Foreshadow was a holder for a particularly active SIM-swapper who went by “Elijah,” which was another nickname that prosecutors say Urban used.

Shortly after Foreshadow’s hostage video began circulating on Telegram and Discord, multiple known actors in the SIM-swapping space told everyone in the channels to delete any previous messages with Foreshadow, claiming he was fully cooperating with the FBI.

This was not the first time Sosa and his crew were hit with violent attacks from rival SIM-swapping groups. In early 2022, a video surfaced on a popular cybercrime channel purporting to show attackers hurling a brick through a window at an address that matches the spacious and upscale home of Urban’s parents in Sanford, Fl.

“Brickings” are among the “violence-as-a-service” offerings broadly available on many cybercrime channels. SIM-swapping and adjacent cybercrime channels are replete with job offers for in-person assignments and tasks that can be found if one searches for posts titled, “If you live near,” or “IRL job” — short for “in real life” job.

A number of these classified ads are in service of performing brickings, where someone is hired to visit a specific address and toss a brick through the target’s window. Other typical IRL job offers involve tire slashings and even drive-by shootings.

THE COM

Sosa was known to be a top member of the broader cybercriminal community online known as “The Com,” wherein hackers boast loudly about high-profile exploits and hacks that almost invariably begin with social engineering — tricking people over the phone, email or SMS into giving away credentials that allow remote access to corporate internal networks.

Sosa also was active in a particularly destructive group of accomplished criminal SIM-swappers known as “Star Fraud.” Cyberscoop’s AJ Vicens reported last year that individuals within Star Fraud were likely involved in the high-profile Caesars Entertainment an MGM Resorts extortion attacks.

“ALPHV, an established ransomware-as-a-service operation thought to be based in Russia and linked to attacks on dozens of entities, claimed responsibility for Caesars and MGM attacks in a note posted to its website earlier this month,” Vicens wrote. “Experts had said the attacks were the work of a group tracked variously as UNC 3944 or Scattered Spider, which has been described as an affiliate working with ALPHV made up of people in the United States and Britain who excel at social engineering.”

In February 2023, KrebsOnSecurity published data taken from the Telegram channels for Star Fraud and two other SIM-swapping groups showing these crooks focused on SIM-swapping T-Mobile customers, and that they collectively claimed access to T-Mobile on 100 separate occasions over a 7-month period in 2022.

The SIM-swapping groups were able to switch targeted phone numbers to another device on demand because they constantly phished T-Mobile employees into giving up credentials to employee-only tools. In each of those cases the goal was the same: Phish T-Mobile employees for access to internal company tools, and then convert that access into a cybercrime service that could be hired to divert any T-Mobile user’s text messages and phone calls to another device.

Allison Nixon, chief research officer at the New York cybersecurity consultancy Unit 221B, said the increasing brazenness of many Com members is a function of how long it has taken federal authorities to go after guys like Sosa.

“These incidents show what happens when it takes too long for cybercriminals to get arrested,” Nixon said. “If governments fail to prioritize this source of threat, violence originating from the Internet will affect regular people.”

NO FIXED ADDRESS

The Daytona Beach News-Journal reports that Urban was arrested Jan. 9 and his trial is scheduled to begin in the trial term starting March 4 in Jacksonville. The publication said the judge overseeing Urban’s case denied bail because the defendant was a strong flight risk.

At Urban’s arraignment, it emerged that he had no fixed address and had been using an alias to stay at an Airbnb. The judge reportedly said that when a search warrant was executed at Urban’s residence, the defendant was downloading programs to delete computer files.

What’s more, the judge explained, despite telling authorities in May that he would not have any more contact with his co-conspirators and would not engage in cryptocurrency transactions, he did so anyway.

Urban entered a plea of not guilty. Urban’s court-appointed attorney said her client would have no comment at this time.

Prosecutors charged Urban with eight counts of wire fraud, one count of conspiracy to commit wire fraud, and five counts of aggravated identity theft. According to the government, if convicted Urban faces up to 20 years in federal prison on each wire fraud charge. He also faces a minimum mandatory penalty of two years in prison for the aggravated identity offenses, which will run consecutive to any other prison sentence imposed.

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Who is Alleged Medibank Hacker Aleksandr Ermakov?

By BrianKrebs

Authorities in Australia, the United Kingdom and the United States this week levied financial sanctions against a Russian man accused of stealing data on nearly 10 million customers of the Australian health insurance giant Medibank. 33-year-old Aleksandr Ermakov allegedly stole and leaked the Medibank data while working with one of Russia’s most destructive ransomware groups, but little more is shared about the accused. Here’s a closer look at the activities of Mr. Ermakov’s alleged hacker handles.

Aleksandr Ermakov, 33, of Russia. Image: Australian Department of Foreign Affairs and Trade.

The allegations against Ermakov mark the first time Australia has sanctioned a cybercriminal. The documents released by the Australian government included multiple photos of Mr. Ermakov, and it was clear they wanted to send a message that this was personal.

It’s not hard to see why. The attackers who broke into Medibank in October 2022 stole 9.7 million records on current and former Medibank customers. When the company refused to pay a $10 million ransom demand, the hackers selectively leaked highly sensitive health records, including those tied to abortions, HIV and alcohol abuse.

The U.S. government says Ermakov and the other actors behind the Medibank hack are believed to be linked to the Russia-backed cybercrime gang REvil.

“REvil was among the most notorious cybercrime gangs in the world until July 2021 when they disappeared. REvil is a ransomware-as-a-service (RaaS) operation and generally motivated by financial gain,” a statement from the U.S. Department of the Treasury reads. “REvil ransomware has been deployed on approximately 175,000 computers worldwide, with at least $200 million paid in ransom.”

The sanctions say Ermakov went by multiple aliases on Russian cybercrime forums, including GustaveDore, JimJones, and Blade Runner. A search on the handle GustaveDore at the cyber intelligence platform Intel 471 shows this user created a ransomware affiliate program in November 2021 called Sugar (a.k.a. Encoded01), which focused on targeting single computers and end-users instead of corporations.

An ad for the ransomware-as-a-service program Sugar posted by GustaveDore warns readers against sharing information with security researchers, law enforcement, or “friends of Krebs.”

In November 2020, Intel 471 analysts concluded that GustaveDore’s alias JimJones “was using and operating several different ransomware strains, including a private undisclosed strain and one developed by the REvil gang.”

In 2020, GustaveDore advertised on several Russian discussion forums that he was part of a Russian technology firm called Shtazi, which could be hired for computer programming, web development, and “reputation management.” Shtazi’s website remains in operation today.

A Google-translated version of Shtazi dot ru. Image: Archive.org.

The third result when one searches for shtazi[.]ru in Google is an Instagram post from a user named Mikhail Borisovich Shefel, who promotes Shtazi’s services as if it were also his business. If this name sounds familiar, it’s because in December 2023 KrebsOnSecurity identified Mr. Shefel as “Rescator,” the cybercriminal identity tied to tens of millions of payment cards that were stolen in 2013 and 2014 from big box retailers Target and Home Depot, among others.

How close was the connection between GustaveDore and Mr. Shefel? The Treasury Department’s sanctions page says Ermakov used the email address ae.ermak@yandex.ru. A search for this email at DomainTools.com shows it was used to register just one domain name: millioner1[.]com. DomainTools further finds that a phone number tied to Mr. Shefel (79856696666) was used to register two domains: millioner[.]pw, and shtazi[.]net.

The December 2023 story here that outed Mr. Shefel as Rescator noted that Shefel recently changed his last name to “Lenin” and had launched a service called Lenin[.]biz that sells physical USSR-era Ruble notes bearing the image of Vladimir Lenin, the founding father of the Soviet Union. The Instagram account for Mr. Shefel includes images of stacked USSR-era Ruble notes, as well as multiple links to Shtazi.

The Instagram account of Mikhail Borisovich Shefel, aka MikeMike aka Rescator.

Intel 471’s research revealed Ermakov was affiliated in some way with REvil because the stolen Medibank data was published on a blog that had one time been controlled by REvil affiliates who carried out attacks and paid an affiliate fee to the gang.

But by the time of the Medibank hack, the REvil group had mostly scattered after a series of high-profile attacks led to the group being disrupted by law enforcement. In November 2021, Europol announced it arrested seven REvil affiliates who collectively made more than $230 million worth of ransom demands since 2019. At the same time, U.S. authorities unsealed two indictments against a pair of accused REvil cybercriminals.

“The posting of Medibank’s data on that blog, however, indicated a connection with that group, although the connection wasn’t clear at the time,” Intel 471 wrote. “This makes sense in retrospect, as Ermakov’s group had also been a REvil affiliate.”

It is easy to dismiss sanctions like these as ineffective, because as long as Mr. Ermakov remains in Russia he has little to fear of arrest. However, his alleged role as an apparent top member of REvil paints a target on him as someone who likely possesses large sums of cryptocurrency, said Patrick Gray, the Australian co-host and founder of the security news podcast Risky Business.

“I’ve seen a few people poo-poohing the sanctions…but the sanctions component is actually less important than the doxing component,” Gray said. “Because this guy’s life just got a lot more complicated. He’s probably going to have to pay some bribes to stay out of trouble. Every single criminal in Russia now knows he is a vulnerable 33 year old with an absolute ton of bitcoin. So this is not a happy time for him.”

Update, Feb. 21, 1:10 p.m. ET: The Russian security firm F.A.C.C.T reports that Ermakov has been arrested in Russia, and charged with violating domestic laws that prohibit the creation, use and distribution of malicious computer programs.

“During the investigation, several defendants were identified who were not only promoting their ransomware, but also developing custom-made malicious software, creating phishing sites for online stores, and driving user traffic to fraudulent schemes popular in Russia and the CIS,” F.A.C.C.T. wrote. “Among those detained was the owner of the nicknames blade_runner, GistaveDore, GustaveDore, JimJones.”

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Governments from Australia, the U.K., and the U.S. have imposed financial sanctions on a Russian national for his alleged role in the 2022 ransomware attack against health insurance provider Medibank. Alexander Ermakov (aka blade_runner, GistaveDore, GustaveDore, or JimJones), 33, has been tied to the breach of the Medibank network as well as the theft and release of Personally Identifiable

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Ten Years Later, New Clues in the Target Breach

By BrianKrebs

On Dec. 18, 2013, KrebsOnSecurity broke the news that U.S. retail giant Target was battling a wide-ranging computer intrusion that compromised more than 40 million customer payment cards over the previous month. The malware used in the Target breach included the text string “Rescator,” which also was the handle chosen by the cybercriminal who was selling all of the cards stolen from Target customers. Ten years later, KrebsOnSecurity has uncovered new clues about the real-life identity of Rescator.

Rescator, advertising a new batch of cards stolen in a 2014 breach at P.F. Chang’s.

Shortly after breaking the Target story, KrebsOnSecurity reported that Rescator appeared to be a hacker from Ukraine. Efforts to confirm my reporting with that individual ended when they declined to answer questions, and after I declined to accept a bribe of $10,000 not to run my story.

That reporting was based on clues from an early Russian cybercrime forum in which a hacker named Rescator — using the same profile image that Rescator was known to use on other forums — claimed to have originally been known as “Helkern,” the nickname chosen by the administrator of a cybercrime forum called Darklife.

KrebsOnSecurity began revisiting the research into Rescator’s real-life identity in 2018, after the U.S. Department of Justice unsealed an indictment that named a different Ukrainian man as Helkern.

It may be helpful to first recap why Rescator is thought to be so closely tied to the Target breach. For starters, the text string “Rescator” was found in some of the malware used in the Target breach. Investigators would later determine that a variant of the malware used in the Target breach was used in 2014 to steal 56 million payment cards from Home Depot customers. And once again, cards stolen in the Home Depot breach were sold exclusively at Rescator’s shops.

On Nov. 25, 2013, two days before Target said the breach officially began, Rescator could be seen in instant messages hiring another forum member to verify 400,000 payment cards that Rescator claimed were freshly stolen.

By the first week of December 2013, Rescator’s online store — rescator[.]la — was selling more than six million payment card records stolen from Target customers. Prior to the Target breach, Rescator had mostly sold much smaller batches of stolen card and identity data, and the website allowed cybercriminals to automate the sending of fraudulent wire transfers to money mules based in Lviv, Ukraine.

Finally, there is some honor among thieves, and in the marketplace for stolen payment card data it is considered poor form to advertise a batch of cards as “yours” if you are merely reselling cards sold to you by a third-party card vendor or thief. When serious stolen payment card shop vendors wish to communicate that a batch of cards is uniquely their handiwork or that of their immediate crew, they refer to it as “our base.” And Rescator was quite clear in his advertisements that these millions of cards were obtained firsthand.

FLASHBACK

The new clues about Rescator’s identity came into focus when I revisited the reporting around an April 2013 story here that identified the author of the OSX Flashback Trojan, an early Mac malware strain that quickly spread to more than 650,000 Mac computers worldwide in 2012.

That story about the Flashback author was possible because a source had obtained a Web browser authentication cookie for a founding member of a Russian cybercrime forum called BlackSEO. Anyone in possession of that cookie could then browse the invite-only BlackSEO forum and read the user’s private messages without having to log in.

BlackSEO.com VIP member “Mavook” tells forum admin Ika in a private message that he is the Flashback author.

The legitimate owner of that BlackSEO user cookie went by the nickname Ika, and Ika’s private messages on the forum showed he was close friends with the Flashback author. At the time, Ika also was the administrator of Pustota[.]pw — a closely-guarded Russian forum that counted among its members some of the world’s most successful and established spammers and malware writers.

For many years, Ika held a key position at one of Russia’s largest Internet service providers, and his (mostly glowing) reputation as a reliable provider of web hosting to the Russian cybercrime community gave him an encyclopedic knowledge about nearly every major player in that scene at the time.

The story on the Flashback author featured redacted screenshots that were taken from Ika’s BlackSEO account (see image above). The day after that story ran, Ika posted a farewell address to his mates, expressing shock and bewilderment over the apparent compromise of his BlackSEO account.

In a lengthy post on April 4, 2013 titled “I DON’T UNDERSTAND ANYTHING,” Ika told Pustota forum members he was so spooked by recent events that he was closing the forum and quitting the cybercrime business entirely. Ika recounted how the Flashback story had come the same week that rival cybercriminals tried to “dox” him (their dox named the wrong individual, but included some of Ika’s more guarded identities).

“It’s no secret that karma farted in my direction,” Ika said at the beginning of his post. Unbeknownst to Ika at the time, his Pustota forum also had been completely hacked that week, and a copy of its database shared with this author.

A Google translated version of the farewell post from Ika, the administrator of Pustota, a Russian language cybercrime forum focused on botnets and spam. Click to enlarge.

Ika said the two individuals who tried to dox him did so on an even more guarded Russian language forum — DirectConnection[.]ws, perhaps the most exclusive Russian cybercrime community ever created. New applicants of this forum had to pay a non-refundable deposit, and receive vouches by three established cybercriminals already on the forum. Even if one managed to steal (or guess) a user’s DirectConnection password, the login page could not be reached unless the visitor also possessed a special browser certificate that the forum administrator gave only to approved members.

In no uncertain terms, Ika declared that Rescator went by the nickname MikeMike on DirectConnection:

“I did not want to bring any of this to real life. Especially since I knew the patron of the clowns – specifically Pavel Vrublevsky. Yes, I do state with confidence that the man with the nickname Rescator a.k.a. MikeMike with his partner Pipol have been Pavel Vrublevsky’s puppets for a long time.”

Pavel Vrublevsky is a convicted cybercriminal who became famous as the CEO of the Russian e-payments company ChronoPay, which specialized in facilitating online payments for a variety of “high-risk” businesses, including gambling, pirated Mp3 files, rogue antivirus software and “male enhancement” pills.

As detailed in my 2014 book Spam Nation, Vrublevsky not-so-secretly ran a pharmacy affiliate spam program called Rx-Promotion, which paid spammers and virus writers to blast out tens of billions of junk emails advertising generic Viagra and controlled pharmaceuticals like pain relief medications. Much of my reporting on Vrublevsky’s cybercrime empire came from several years worth of internal ChronoPay emails and documents that were leaked online in 2010 and 2011.

Pavel Vrublevsky’s former Facebook profile photo.

ZAXVATMIRA

In 2014, KrebsOnSecurity learned from a trusted source close to the Target breach investigation that the user MikeMike on DirectConnection — the same account that Ika said belonged to Rescator — used the email address “zaxvatmira@gmail.com.”

At the time, KrebsOnSecurity could not connect that email address to anything or anyone. However, a recent search on zaxvatmira@gmail.com at the breach tracking service Constella Intelligence returns just one result: An account created in November 2010 at the site searchengines[.]ru under the handle  “r-fac1.”

A search on “r-fac1” at cyber intelligence firm Intel 471 revealed that this user’s introductory post on searchengines[.]ru advertised musictransferonline[.]com, an affiliate program that paid people to drive traffic to sites that sold pirated music files for pennies apiece.

According to leaked ChronoPay emails from 2010, this domain was registered and paid for by ChronoPay. Those missives also show that in August 2010 Vrublevsky authorized a payment of ~$1,200 for a multi-user license of an Intranet service called MegaPlan.

ChronoPay used the MegaPlan service to help manage the sprawling projects that Vrublevsky referred to internally as their “black” payment processing operations, including pirated pills, porn, Mp3s, and fake antivirus products. ChronoPay employees used their MegaPlan accounts to track payment disputes, order volumes, and advertising partnerships for these high-risk programs.

Borrowing a page from the Quentin Tarantino movie Reservoir Dogs, the employees adopted nicknames like “Mr. Kink,” “Mr. Heppner,” and “Ms. Nati.” However, in a classic failure of operational security, many of these employees had their MegaPlan account messages automatically forwarded to their real ChronoPay email accounts.

A screen shot of the org chart from ChronoPay’s MegaPlan Intranet system.

When ChronoPay’s internal emails were leaked in 2010, the username and password for its MegaPlan subscription were still working and valid. An internal user directory for that subscription included the personal (non-ChronoPay) email address tied to each employee Megaplan nickname. That directory listing said the email address zaxvatmira@gmail.com was assigned to the head of the Media/Mp3 division for ChronoPay, pictured at the top left of the organizational chart above as “Babushka Vani and Koli.”

[Author’s note: I initially overlooked the presence of the email address zaxvatmira@gmail.com in my notes because it did not show up in text searches of my saved emails, files or messages. I rediscovered it recently when a text search for zaxvatmira@gmail.com on my Mac found the address in a screenshot of the ChronoPay MegaPlan interface.]

The nickname two rungs down from “Babushka” in the ChronoPay org chart is “Lev Tolstoy,” which the MegaPlan service showed was picked by someone who used the email address v.zhabukin@freefrog-co-ru.

ChronoPay’s emails show that this Freefrog email address belongs to a Vasily Borisovich Zhabykin from Moscow. The Russian business tracking website rusprofile[.]ru reports that Zhabykin is or was the supervisor or owner of three Russian organizations, including one called JSC Hot Spot.

[Author’s note: The word “babushka” means “grandma” in Russian, and it could be that this nickname is a nod to the ChronoPay CEO’s wife, Vera. The leaked ChronoPay emails show that Vera Vrublevsky managed a group of hackers working with their media division, and was at least nominally in charge of MP3 projects for ChronoPay. Indeed, in messages exposed by the leaked ChronoPay email cache, Zhabykin stated that he was “directly subordinate” to Mrs. Vrublevsky].

CYBERCRIME HOTSPOT

JSC Hot Spot is interesting because its co-founder is another ChronoPay employee: 37-year-old Mikhail “Mike” Shefel. A Facebook profile for Mr. Shefel says he is or was vice president of payment systems at ChronoPay. However, the last update on that profile is from 2018, when Shefel appears to have legally changed his last name.

Archive.org shows that Hot Spot’s website — myhotspot[.]ru — sold a variety of consulting services, including IT security assessments, code and system audits, and email marketing. The earliest recorded archive of the Hot Spot website listed three clients on its homepage, including ChronoPay and Freefrog.

ChronoPay internal emails show that Freefrog was one of its investment projects that facilitated the sale of pirated Mp3 files. Rusprofile[.]ru reports that Freefrog’s official company name — JSC Freefrog — is incorporated by a thinly-documented entity based in the Seychelles called Impex Consulting Ltd., and it is unclear who its true owners are.

However, a search at DomainTools.com on the phone number listed on the homepage of myhotspot[.]ru (74957809554) reveals that number is associated with eight domain names.

Six of those domains are some variation of FreeFrog. Another domain registered to that phone number is bothunter[.]me, which included a copyright credit to “Hot Spot 2011.” At the annual Russian Internet Week IT convention in Moscow in 2012, Mr. Shefel gave a short presentation about bothunter, which he described as a service he designed to identify inauthentic (bot) accounts on Russian social media networks.

Interestingly, one of r-fac1’s first posts to Searchengines[.]ru a year earlier saw this user requesting help from other members who had access to large numbers of hacked social media accounts. R-fac1 told forum members that he was only looking to use those accounts to post harmless links and comments to the followers of the hacked profiles, and his post suggested he was testing something.

“Good afternoon,” r-fac1 wrote on Dec. 20, 2010. “I’m looking for people with their own not-recently-registered accounts on forums, (except for search) Social networks, Twitter, blogs, their websites. Tasks, depending on your accounts, post text and a link, sometimes just a link. Most often the topic is chatter, relaxation, discussion. Posting my links in your profiles, on your walls. A separate offer for people with a large set of contacts in instant messengers to try to use viral marketing.”

Neither Mr. Shefel nor Mr. Zhabykin responded to requests for comment.

WHERE ARE THEY NOW?

Mr. Zhabykin soon moved on to bigger ventures, co-founding a cryptocurrency exchange based in Moscow’s financial center called Suex. In September 2021, Suex earned the distinction of becoming the first crypto firm to be sanctioned by the U.S. Department of the Treasury, which effectively blocked Suex from the global financial system. The Treasury alleged Suex helped to process millions in criminal transactions, including the proceeds of numerous ransomware attacks.

“I don’t understand how I got mixed up in this,” Zhabykin told The New York Times in 2021. Zhabykin said Suex, which is registered in the Czech Republic, was mostly a failure and had conducted only a half dozen or so transactions since 2019.

The Russian business tracking service Rusprofile says Zhabykin also is the owner of a company based in the United Kingdom called RideWithLocal; the company’s website says it specializes in arranging excursions for extreme sports, including snowboarding, skiing, surfing and parasailing. Images from the RideWithLocal Facebook page show helicopters dropping snowboarders and skiers atop some fairly steep mountains.

A screenshot from the Facebook page of RideWithLocal.

Constella Intelligence found a cached copy of a now-deleted LinkedIn profile for Mr. Zhabykin, who described himself as a “sporttech/fintech specialist and mentor.”

“I create products and services worldwide, focusing on innovation and global challenges,” his LinkedIn profile said. “I’ve started my career in 2002 and since then I worked in Moscow, different regions of Russia, including Siberia and in Finland, Brazil, United Kingdom, Sri Lanka. Over the last 15 years I contributed to many amazing products in the following industries: sports, ecology, sport tech, fin tech, electronic payments, big data, telecommunications, pulp and paper industry, wood processing and travel. My specialities are Product development, Mentorship, Strategy and Business development.”

Rusprofile reports that Mikhail Borisovich Shefel is associated with at least eight current or now-defunct companies in Russia, including Dengi IM (Money IM), Internet Capital, Internet Lawyer, Internet 2, Zao Hot Spot, and (my personal favorite) an entity incorporated in 2021 called “All the Money in the World.”

Constella Intelligence found several official documents for Mr. Shefel that came from hacked Russian phone, automobile and residence records. They indicate Mr. Shefel is the registrant of a black Porsche Cayenne (Plate:X537SR197) and a Mercedes (Plate:P003PX90). Those vehicle records show Mr. Shefel was born on May 28, 1986.

Rusprofile reveals that at some point near the end of 2018, Shefel changed his last name to Lenin. DomainTools reports that in 2018, Mr. Shefel’s company Internet 2 LLC registered the domain name Lenin[.]me. This now-defunct service sold physical USSR-era Ruble notes that bear the image of Vladimir Lenin, the founding father of the Soviet Union.

Meanwhile, Pavel Vrublevsky remains imprisoned in Russia, awaiting trial on fraud charges levied against the payment company CEO in March 2022. Authorities allege Vrublevsky operated several fraudulent SMS-based payment schemes. They also accused Vrublevsky of facilitating money laundering for Hydra, the largest Russian darknet market. Hydra trafficked in illegal drugs and financial services, including cryptocurrency tumbling for money laundering, exchange services between cryptocurrency and Russian rubles, and the sale of falsified documents and hacking services.

In 2013, Vrublevsky was sentenced to 2.5 years in a Russian penal colony for convincing one of his top spammers and botmasters to launch a distributed denial-of-service (DDoS) attack against a ChronoPay competitor that shut down the ticketing system for the state-owned Aeroflot airline.

Following his release, Vrublevsky began working on a new digital payments platform based in Hong Kong called HPay Ltd (a.k.a. Hong Kong Processing Corporation). HPay appears to have had a great number of clients that were running schemes which bamboozled people with fake lotteries and prize contests.

KrebsOnSecurity sought comment on this research from the Federal Bureau of Investigation (FBI) and the U.S. Secret Service, both of which have been involved in the Target breach investigation over the years. The FBI declined to comment. The Secret Service declined to confirm or dispute any of the findings, but said it is still interested in hearing from anyone who might have more information.

“The U.S. Secret Service does not comment on any open investigation and won’t confirm or deny the accuracy in any reporting related to a criminal manner,” the agency said in a written statement. “However, If you have any information relating to the subjects referenced in this article, please contact the U.S. Secret Service at mostwanted@usss.dhs.gov. The Secret Service pays a reward for information leading to the arrest of cybercriminals.”

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Generative AI Security: Preventing Microsoft Copilot Data Exposure

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Okta: Breach Affected All Customer Support Users

By BrianKrebs

When KrebsOnSecurity broke the news on Oct. 20, 2023 that identity and authentication giant Okta had suffered a breach in its customer support department, Okta said the intrusion allowed hackers to steal sensitive data from fewer than one percent of its 18,000+ customers. But today, Okta revised that impact statement, saying the attackers also stole the name and email address for nearly all of its customer support users.

Okta acknowledged last month that for several weeks beginning in late September 2023, intruders had access to its customer support case management system. That access allowed the hackers to steal authentication tokens from some Okta customers, which the attackers could then use to make changes to customer accounts, such as adding or modifying authorized users.

In its initial incident reports about the breach, Okta said the hackers gained unauthorized access to files inside Okta’s customer support system associated with 134 Okta customers, or less than 1% of Okta’s customer base.

But in an updated statement published early this morning, Okta said it determined the intruders also stole the names and email addresses of all Okta customer support system users.

“All Okta Workforce Identity Cloud (WIC) and Customer Identity Solution (CIS) customers are impacted except customers in our FedRamp High and DoD IL4 environments (these environments use a separate support system NOT accessed by the threat actor),” Okta’s advisory states. “The Auth0/CIC support case management system was also not impacted by this incident.”

Okta said that for nearly 97 percent of users, the only contact information exposed was full name and email address. That means about three percent of Okta customer support accounts had one or more of the following data fields exposed (in addition to email address and name): last login; username; phone number; SAML federation ID; company name; job role; user type; date of last password change or reset.

Okta notes that a large number of the exposed accounts belong to Okta administrators — IT people responsible for integrating Okta’s authentication technology inside customer environments — and that these individuals should be on guard for targeted phishing attacks.

“Many users of the customer support system are Okta administrators,” Okta pointed out. “It is critical that these users have multi-factor authentication (MFA) enrolled to protect not only the customer support system, but also to secure access to their Okta admin console(s).”

While it may seem completely bonkers that some companies allow their IT staff to operate company-wide authentication systems using an Okta administrator account that isn’t protected with MFA, Okta said fully six percent of its customers (more than 1,000) persist in this dangerous practice.

In a previous disclosure on Nov. 3, Okta blamed the intrusion on an employee who saved the credentials for a service account in Okta’s customer support infrastructure to their personal Google account, and said it was likely those credentials were stolen when the employee’s personal device using the same Google account was compromised.

Unlike standard user accounts, which are accessed by humans, service accounts are mostly reserved for automating machine-to-machine functions, such as performing data backups or antivirus scans every night at a particular time. For this reason, they can’t be locked down with multifactor authentication the way user accounts can.

Dan Goodin over at Ars Technica reckons this explains why MFA wasn’t set up on the compromised Okta service account. But as he rightly points out, if a transgression by a single employee breaches your network, you’re doing it wrong.

“Okta should have put access controls in place besides a simple password to limit who or what could log in to the service account,” Goodin wrote on Nov. 4. “One way of doing this is to put a limit or conditions on the IP addresses that can connect. Another is to regularly rotate access tokens used to authenticate to service accounts. And, of course, it should have been impossible for employees to be logged in to personal accounts on a work machine. These and other precautions are the responsibility of senior people inside Okta.”

Goodin suggested that people who want to delve further into various approaches for securing service accounts should read this thread on Mastodon.

“A fair number of the contributions come from security professionals with extensive experience working in sensitive cloud environments,” Goodin wrote.

DJVU Ransomware's Latest Variant 'Xaro' Disguised as Cracked Software

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ID Theft Service Resold Access to USInfoSearch Data

By BrianKrebs

One of the cybercrime underground’s more active sellers of Social Security numbers, background and credit reports has been pulling data from hacked accounts at the U.S. consumer data broker USinfoSearch, KrebsOnSecurity has learned.

Since at least February 2023, a service advertised on Telegram called USiSLookups has operated an automated bot that allows anyone to look up the SSN or background report on virtually any American. For prices ranging from $8 to $40 and payable via virtual currency, the bot will return detailed consumer background reports automatically in just a few moments.

USiSLookups is the project of a cybercriminal who uses the nicknames JackieChan/USInfoSearch, and the Telegram channel for this service features a small number of sample background reports, including that of President Joe Biden, and podcaster Joe Rogan. The data in those reports includes the subject’s date of birth, address, previous addresses, previous phone numbers and employers, known relatives and associates, and driver’s license information.

JackieChan’s service abuses the name and trademarks of Columbus, OH based data broker USinfoSearch, whose website says it provides “identity and background information to assist with risk management, fraud prevention, identity and age verification, skip tracing, and more.”

“We specialize in non-FCRA data from numerous proprietary sources to deliver the information you need, when you need it,” the company’s website explains. “Our services include API-based access for those integrating data into their product or application, as well as bulk and batch processing of records to suit every client.”

As luck would have it, my report was also listed in the Telegram channel for this identity fraud service, presumably as a teaser for would-be customers. On October 19, 2023, KrebsOnSecurity shared a copy of this file with the real USinfoSearch, along with a request for information about the provenance of the data.

USinfoSearch said it would investigate the report, which appears to have been obtained on or before June 30, 2023. On Nov. 9, 2023, Scott Hostettler, general manager of USinfoSearch parent Martin Data LLC shared a written statement about their investigation that suggested the ID theft service was trying to pass off someone else’s consumer data as coming from USinfoSearch:

Regarding the Telegram incident, we understand the importance of protecting sensitive information and upholding the trust of our users is our top priority. Any allegation that we have provided data to criminals is in direct opposition to our fundamental principles and the protective measures we have established and continually monitor to prevent any unauthorized disclosure. Because Martin Data has a reputation for high-quality data, thieves may steal data from other sources and then disguise it as ours. While we implement appropriate safeguards to guarantee that our data is only accessible by those who are legally permitted, unauthorized parties will continue to try to access our data. Thankfully, the requirements needed to pass our credentialing process is tough even for established honest companies.

USinfoSearch’s statement did not address any questions put to the company, such as whether it requires multi-factor authentication for customer accounts, or whether my report had actually come from USinfoSearch’s systems.

After much badgering, on Nov. 21 Hostettler acknowledged that the USinfoSearch identity fraud service on Telegram was in fact pulling data from an account belonging to a vetted USinfoSearch client.

“I do know 100% that my company did not give access to the group who created the bots, but they did gain access to a client,” Hostettler said of the Telegram-based identity fraud service. “I apologize for any inconvenience this has caused.”

Hostettler said USinfoSearch heavily vets any new potential clients, and that all users are required to undergo a background check and provide certain documents. Even so, he said, several fraudsters each month present themselves as credible business owners or C-level executives during the credentialing process, completing the application and providing the necessary documentation to open a new account.

“The level of skill and craftsmanship demonstrated in the creation of these supporting documents is incredible,” Hostettler said. “The numerous licenses provided appear to be exact replicas of the original document. Fortunately, I’ve discovered several methods of verification that do not rely solely on those documents to catch the fraudsters.”

“These people are unrelenting, and they act without regard for the consequences,” Hostettler continued. “After I deny their access, they will contact us again within the week using the same credentials. In the past, I’ve notified both the individual whose identity is being used fraudulently and the local police. Both are hesitant to act because nothing can be done to the offender if they are not apprehended. That is where most attention is needed.”

SIM SWAPPER’S DELIGHT

JackieChan is most active on Telegram channels focused on “SIM swapping,” which involves bribing or tricking mobile phone company employees into redirecting a target’s phone number to a device the attackers control. SIM swapping allows crooks to temporarily intercept the target’s text messages and phone calls, including any links or one-time codes for authentication that are delivered via SMS.

Reached on Telegram, JackieChan said most of his clients hail from the criminal SIM swapping world, and that the bulk of his customers use his service via an application programming interface (API) that allows customers to integrate the lookup service with other web-based services, databases, or applications.

“Sim channels is where I get most of my customers,” JackieChan told KrebsOnSecurity. “I’m averaging around 100 lookups per day on the [Telegram] bot, and around 400 per day on the API.”

JackieChan claims his USinfoSearch bot on Telegram abuses stolen credentials needed to access an API used by the real USinfoSearch, and that his service was powered by USinfoSearch account credentials that were stolen by malicious software tied to a botnet that he claims to have operated for some time.

This is not the first time USinfoSearch has had trouble with identity thieves masquerading as legitimate customers. In 2013, KrebsOnSecurity broke the news that an identity fraud service in the underground called “SuperGet[.]info” was reselling access to personal and financial data on more than 200 million Americans that was obtained via the big-three credit bureau Experian.

The consumer data resold by Superget was not obtained directly from Experian, but rather via USinfoSearch. At the time, USinfoSearch had a contractual agreement with a California company named Court Ventures, whereby customers of Court Ventures had access to the USinfoSearch data, and vice versa.

When Court Ventures was purchased by Experian in 2012, the proprietor of SuperGet — a Vietnamese hacker named Hieu Minh Ngo who had impersonated an American private investigator — was grandfathered in as a client. The U.S. Secret Service agent who oversaw Ngo’s capture, extradition, prosecution and rehabilitation told KrebsOnSecurity he’s unaware of any other cybercriminal who has caused more material financial harm to more Americans than Ngo.

REAL POLICE, FAKE EDRS

JackieChan also sells access to hacked email accounts belonging to law enforcement personnel in the United States and abroad. Hacked police department emails can come in handy for ID thieves trying to pose as law enforcement officials who wish to purchase consumer data from platforms like USinfoSearch. Hence, Mr. Hostettler’s ongoing battle with fraudsters seeking access to his company’s service.

These police credentials are mainly marketed to criminals seeking fraudulent “Emergency Data Requests,” wherein crooks use compromised government and police department email accounts to rapidly obtain customer account data from mobile providers, ISPs and social media companies.

Normally, these companies will require law enforcement officials to supply a subpoena before turning over customer or user records. But EDRs allow police to bypass that process by attesting that the information sought is related to an urgent matter of life and death, such as an impending suicide or terrorist attack.

In response to an alarming increase in the volume of fraudulent EDRs, many service providers have chosen to require all EDRs be processed through a service called Kodex, which seeks to filter EDRs based on the reputation of the law enforcement entity requesting the information, and other attributes of the requestor.

For example, if you want to send an EDR to Coinbase or Twilio, you’ll first need to have valid law enforcement credentials and create an account at the Kodex online portal at these companies. However, Kodex may still throttle or block any requests from any accounts if they set off certain red flags.

Within their own separate Kodex portals, Twilio can’t see requests submitted to Coinbase, or vice versa. But each can see if a law enforcement entity or individual tied to one of their own requests has ever submitted a request to a different Kodex client, and then drill down further into other data about the submitter, such as Internet address(es) used, and the age of the requestor’s email address.

In August, JackieChan was advertising a working Kodex account for sale on the cybercrime channels, including redacted screenshots of the Kodex account dashboard as proof of access.

Kodex co-founder Matt Donahue told KrebsOnSecurity his company immediately detected that the law enforcement email address used to create the Kodex account pictured in JackieChan’s ad was likely stolen from a police officer in India. One big tipoff, Donahue said, was that the person creating the account did so using an Internet address in Brazil.

“There’s a lot of friction we can put in the way for illegitimate actors,” Donahue said. “We don’t let people use VPNs. In this case we let them in to honeypot them, and that’s how they got that screenshot. But nothing was allowed to be transmitted out from that account.”

Massive amounts of data about you and your personal history are available from USinfoSearch and dozens of other data brokers that acquire and sell “non-FCRA” data — i.e., consumer data that cannot be used for the purposes of determining one’s eligibility for credit, insurance, or employment.

Anyone who works in or adjacent to law enforcement is eligible to apply for access to these data brokers, which often market themselves to police departments and to “skip tracers,” essentially bounty hunters hired to locate others in real life — often on behalf of debt collectors, process servers or a bail bondsman.

There are tens of thousands of police jurisdictions around the world — including roughly 18,000 in the United States alone. And the harsh reality is that all it takes for hackers to apply for access to data brokers (and abuse the EDR process) is illicit access to a single police email account.

The trouble is, compromised credentials to law enforcement email accounts show up for sale with alarming frequency on the Telegram channels where JackieChan and their many clients reside. Indeed, Donahue said Kodex so far this year has identified attempted fake EDRs coming from compromised email accounts for police departments in India, Italy, Thailand and Turkey.

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