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Trend Micro Research, News and Perspectives 2 years, 6 months ago

CVE-2023-36025 Exploited for Defense Evasion in Phemedrone Stealer Campaign

This blog delves into the Phemedrone Stealer campaign's exploitation of CVE-2023-36025, the Windows Defender SmartScreen Bypass vulnerability, for its defense evasion and investigates the malware's payload.

Trend Micro Research, News and Perspectives 2 years, 10 months ago

Earth Lusca Employs New Linux Backdoor, Uses Cobalt Strike for Lateral Movement

While monitoring Earth Lusca, we discovered an intriguing, encrypted file on the threat actor's server — a Linux-based malware, which appears to originate from the open-source Windows backdoor Trochilus, which we've dubbed SprySOCKS due to its swift behavior and SOCKS implementation

We found that malicious actors used malvertising to distribute malware via cloned webpages of legitimate organizations. The distribution involved a webpage of the well-known application WinSCP, an open-source Windows application for file transfer. We were able to identify that this activity led to a BlackCat (aka ALPHV) infection, and actors also used SpyBoy, a terminator that tampers with protection provided by agents.

Trend Micro Research, News and Perspectives 4 years, 2 months ago

New APT Group Earth Berberoka Targets Gambling Websites With Old and New Malware

We recently found a new advanced persistent threat (APT) group that we have dubbed Earth Berberoka (aka GamblingPuppet). This APT group targets gambling websites on Windows, macOS, and Linux platforms using old and new malware families.