General

  • Target

    a1cdfab5a4af43636fe8141ba9bb2215_JaffaCakes118

  • Size

    14.8MB

  • Sample

    241126-n7e4pazpdw

  • MD5

    a1cdfab5a4af43636fe8141ba9bb2215

  • SHA1

    fe8e0d854dee3d741167f4c302b5f05c71e23189

  • SHA256

    a492284b3b05e75509bd1b8b6e7f73b5bf7f78263d5725082a8c76bb782b3c63

  • SHA512

    9dca7bbfbcc6178eecc0221afae418b5012d27b4023e754d0db54811d57074b21583f400408fe06790869585eee163ece122dfd064050287ce7d3561c151e37f

  • SSDEEP

    12288:F1vfanyphPu2xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFz:zvfEyph

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      a1cdfab5a4af43636fe8141ba9bb2215_JaffaCakes118

    • Size

      14.8MB

    • MD5

      a1cdfab5a4af43636fe8141ba9bb2215

    • SHA1

      fe8e0d854dee3d741167f4c302b5f05c71e23189

    • SHA256

      a492284b3b05e75509bd1b8b6e7f73b5bf7f78263d5725082a8c76bb782b3c63

    • SHA512

      9dca7bbfbcc6178eecc0221afae418b5012d27b4023e754d0db54811d57074b21583f400408fe06790869585eee163ece122dfd064050287ce7d3561c151e37f

    • SSDEEP

      12288:F1vfanyphPu2xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFz:zvfEyph

    • Tofsee

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

    • Tofsee family

    • 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