General

  • Target
    3c76d5aa8de1b32addf4299acb170e3d
  • Size 13.0MB
  • Sample240101-k6bs4aaba5
  • SHA256 0e32b2bbd0347fc8b4eae683f22b1d34f2c5514ae863c32fe2fc32089219a70b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • 43.231.4.7

  • lazystax.ru

Targets

    • Target
      3c76d5aa8de1b32addf4299acb170e3d
    • Size 13.0MB
    • SHA256 0e32b2bbd0347fc8b4eae683f22b1d34f2c5514ae863c32fe2fc32089219a70b
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

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

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks