X-Industry

An extortionist armed with a new variant of MedusaLocker ransomware has infected more than 100 organizations a month since at least 2022, according to Cisco Talos, which recently discovered a "substantial" Windows credential data dump that sheds light on the criminal and their victims.  The miscreant, whom Talos calls "PaidMemes," uses a recent MedusaLocker variant called "BabyLockerKZ," and inserts the words "paid_memes" into the malware plus other tools used during the attacks.

Recent research

Summary Note: this joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.  These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware.  Visit stopransomware.gov to see all #StopRansomware advisories and to learn more