By Gabrielle Joyce Mabutas Criminal interest in MacOS continues to grow, with malware authors churning out more threats that target users of the popular OS. Case in point: A new variant of a Mac backdoor (detected by Trend Micro as Backdoor.MacOS.NUKESPED.A) attributed to the cybercriminal group Lazarus, which was observed targeting Korean users with a…
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The cybercriminal group Lazarus, and particularly its subgroup Bluenoroff, has a history of attacking financial organizations in Asia and Latin America. There seems to be a resurgence of activity from the group, and recent events show how their tools and techniques have evolved. We discovered that they successfully planted their backdoor into several machines of financial institutions across Latin America.
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We analyzed a new RATANKBA variant (BKDR_RATANKBA.ZAEL-A) that uses a PowerShell script instead of its more traditional PE executable form. In this entry, we provide in-depth analysis of the malware, as well as a detailed examination of its remote controller.
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