0mega Ransomware

Description Summary

0mega is a small but persistent ransomware operation that surfaced in mid-2022. It operates a Tor leak site for double extortion. Volume is low compared to tier-1 RaaS, but the group has hit several mid-sized organizations across industries.

Threat Actor

Closed operator group; limited public attribution.

Technical Indicators

Encryption Extension
.0mega
Encryption Algorithm
AES + RSA
Ransom Note Name
DECRYPT-FILES.txt
Targeted Industries
Manufacturing, Education, Professional services
First Seen
May 2022
Last Seen
Sporadic activity through 2024
Geographical Location
United States, Europe

MITRE ATT&CK Matrix

Tactic TTP Technique Name
Initial Access x 3 T1566 Phishing
T1190 Exploit Public-Facing Application
T1078 Valid Accounts
Execution x 1 T1059 Command and Scripting Interpreter
Execution Persistence x 1 T1053 Scheduled Task/Job
Defense Evasion x 2 T1562.001 Disable or Modify Tools
T1070.004 File Deletion
Discovery x 2 T1083 File and Directory Discovery
T1082 System Information Discovery
Lateral Movement x 2 T1021.001 Remote Services: RDP
T1021.002 SMB/Windows Admin Shares
Exfiltration x 2 T1041 Exfiltration Over C2 Channel
T1567.002 Exfiltration to Cloud Storage
Impact x 3 T1486 Data Encrypted for Impact
T1490 Inhibit System Recovery
T1489 Service Stop