General

  • Target

    JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c

  • Size

    237KB

  • Sample

    241229-294fysznct

  • MD5

    1191183d3c4cca2e9799d6a6d1c67b18

  • SHA1

    6924ade5ffeef5b226223b83820e0e7c962a6102

  • SHA256

    a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c

  • SHA512

    7dcf7b30bb597917996ae1b22125df13127ee0a67242440c4b1ca3d7eb3f14f7435d180b1141d7c0cdee6e50891398ccac2a05c7953b372173b20bd66b282353

  • SSDEEP

    6144:64Mm3W6nJ+lQ/7O3gLtA3wdZwwisdBLyJFJN5P0:6dbYJ+lQMgLtAgtiMxyJFJNN0

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c

    • Size

      237KB

    • MD5

      1191183d3c4cca2e9799d6a6d1c67b18

    • SHA1

      6924ade5ffeef5b226223b83820e0e7c962a6102

    • SHA256

      a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c

    • SHA512

      7dcf7b30bb597917996ae1b22125df13127ee0a67242440c4b1ca3d7eb3f14f7435d180b1141d7c0cdee6e50891398ccac2a05c7953b372173b20bd66b282353

    • SSDEEP

      6144:64Mm3W6nJ+lQ/7O3gLtA3wdZwwisdBLyJFJN5P0:6dbYJ+lQMgLtAgtiMxyJFJNN0

    • 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