Researchers have determined purposeful similarities between a malicious element used in the Raspberry Robin infection chain and a Dridex malware loader, further strengthening the operators’ connections to the Russia-based Evil Corp team.
The findings suggest that “Evil Corp is very likely using Raspberry Robin infrastructure to have out its attacks,” IBM Security X-Force researcher Kevin Henson stated in a Thursday examination.
Raspberry Robin (aka QNAP Worm), initial identified by cybersecurity business Pink Canary in September 2021, has remained one thing of a secret for almost a yr, partly owing to the recognizable deficiency of article-exploitation activities in the wild.
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That altered in July 2022 when Microsoft disclosed that it observed the FakeUpdates (aka SocGholish) malware remaining sent via current Raspberry Robin infections, with opportunity connections recognized concerning DEV-0206 and DEV-0243 (aka Evil Corp).
The malware is regarded to be shipped from a compromised program by means of contaminated USB equipment made up of a destructive .LNK file to other gadgets in the concentrate on network. The Windows Shortcut information are made to retrieve a destructive DLL from a distant server.
“The Raspberry Robin loaders are DLLs that decode and execute an intermediate loader,” Henson explained. “The intermediate loader performs hook detection as an anti-investigation technique, decodes its strings at runtime and then decodes a extremely obfuscated DLL whose intent has not been established.”
Also, IBM Security X-Force’s comparative assessment of a 32-bit Raspberry Robin loader and a 64-little bit Dridex loader uncovered overlaps in performance and construction, with equally parts incorporating similar anti-investigation code and decoding the remaining payload in an analogous fashion.
Dridex (aka Bugat or Cridex) is the handiwork of Evil Corp and refers to a banking trojan with capabilities to steal information, deploy more malware these as ransomware, and enslave compromised Windows devices into a botnet.
To mitigate Raspberry Robin bacterial infections, it really is suggested that corporations keep an eye on USB gadget connections and disable the AutoRun attribute in the Windows working program options.
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Some elements of this write-up are sourced from:
thehackernews.com