ALPHV – BlackCat Ransomware

Key takeaways:
The group is actively recruiting ex-REvil, BlackMatter, and DarkSide operators
Increased activity since November 2021
Lucrative affiliate pay-outs (up to 90%)
Rust-based ransomware executable (fast, cross-platform, heavily customized per victim)
AES encryption by default
Built-in privilege escalation (UAC bypass, Masquerade_PEB, CVE-2016-0099)
Can propagate to remote hosts via PsExec
Deletes shadow copies using VSS Admin
Stops VMware ESXi virtual machines and deletes snapshot
The group’s leak site, active since early December 2021, has named over twenty victim organizations as of late January 2022, though the total number of victims, including those that have paid a ransom to avoid exposure, is likely greater.

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