Karakurt Ransomware

Description Summary

Data-extortion arm of Conti (confirmed via shared wallets); no encryption; demands $25K–$13M.

Threat Actor

Data-extortion arm of Conti; VPN access with valid creds; Cobalt Strike + Mimikatz; exfil 7zip → FTP/Rclone/MEGA.

Technical Indicators

Encryption Extension
N/A — no encryption
Encryption Algorithm
N/A
Ransom Note Name
N/A
Targeted Industries
Cross-sector (per leak-site victim telemetry)
First Seen
~June 2021
Last Seen
Active (data-extortion arm of Conti)
Geographical Location
Global / not publicly profiled

MITRE ATT&CK Matrix

Tactic TTP Technique Name
Impact x 2 T1486 Data Encrypted for Impact
T1490 Inhibit System Recovery
Exfiltration x 1 T1567 Exfiltration Over Web Service (leak site)
Initial Access x 2 T1190 Exploit Public-Facing Application
T1078 Valid Accounts