General

  • Target
    6bdec1b519e961a4d757be0541c6e343.exe
  • Size 246KB
  • Sample220222-kaqblsefa7
  • SHA256 fed7c4e47ea734756b34a457fbb402ce63624e1c8bbe48441a9634f4130e022c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • tofsee

C2
  • patmushta.info

  • ovicrush.cn

Targets

    • Target
      6bdec1b519e961a4d757be0541c6e343.exe
    • Size 246KB
    • SHA256 fed7c4e47ea734756b34a457fbb402ce63624e1c8bbe48441a9634f4130e022c
    • MD5 SHA1 SHA512
    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks