General

  • Target
    dbd97def3112b86e795bc31f8bdb58b6
  • Size 11.1MB
  • Sample240321-rrfxtsdd83
  • SHA256 58dc195b75018955a9c8fdd8a6526a2602fb1b1a36ebd44f1e71d5e0e9fac333
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • 43.231.4.7

  • lazystax.ru

Targets

    • Target
      dbd97def3112b86e795bc31f8bdb58b6
    • Size 11.1MB
    • SHA256 58dc195b75018955a9c8fdd8a6526a2602fb1b1a36ebd44f1e71d5e0e9fac333
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

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

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks