A new piece of JavaScript malware has been observed attempting to steal users' online banking account credentials as part of a campaign that has targeted more than 40 financial institutions across the world.
The activity cluster, which employs JavaScript web injections, is estimated to have led to at least 50,000 infected user sessions spanning North America, South America, Europe, and Japan.
Delivery- and shipping-themed email messages are being used to deliver a sophisticated malware loader known as WailingCrab.
"The malware itself is split into multiple components, including a loader, injector, downloader and backdoor, and successful requests to C2-controlled servers are often necessary to retrieve the next stage," IBM X-Force researchers Charlotte Hammond, Ole Villadsen, and Kat
A recently disclosed critical flaw in Citrix NetScaler ADC and Gateway devices is being exploited by threat actors to conduct a credential harvesting campaign.
IBM X-Force, which uncovered the activity last month, said adversaries exploited "CVE-2023-3519 to attack unpatched NetScaler Gateways to insert a malicious script into the HTML content of the authentication web page to capture user
Researchers have identified functional similarities between a malicious component used in the Raspberry Robin infection chain and a Dridex malware loader, further strengthening the operators' connections to the Russia-based Evil Corp group.
The findings suggest that "Evil Corp is likely using Raspberry Robin infrastructure to carry out its attacks," IBM Security X-Force researcher Kevin Henson
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