General

  • Target

    JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5

  • Size

    11.9MB

  • Sample

    250105-x7hn9atmbt

  • MD5

    b980be7b566a6bbe882ad701ce74d0e5

  • SHA1

    4aada7c030925645611258643db8d8b91036cb78

  • SHA256

    743a19ceca5abb68c3e29578e5a7205b3a60199be70ac392b16bd1e2421278af

  • SHA512

    ffa38d7b12cbb0d1c191d7907e7d33c002ea074cf33d736f4ad4e520486338fe39ba7989f38e63d797e9d540a6be09ffcd5c27e27f6fefec574f0d62b35ad137

  • SSDEEP

    3072:6u034LyTdUfJjzBqFmdza1eE2xuBl7AoB9IP6YDU2EGFvOzp8VS9M65vKxlKZ99b:4GzoFmfE221B9IP6SjEGQ6VKNwl

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_b980be7b566a6bbe882ad701ce74d0e5

    • Size

      11.9MB

    • MD5

      b980be7b566a6bbe882ad701ce74d0e5

    • SHA1

      4aada7c030925645611258643db8d8b91036cb78

    • SHA256

      743a19ceca5abb68c3e29578e5a7205b3a60199be70ac392b16bd1e2421278af

    • SHA512

      ffa38d7b12cbb0d1c191d7907e7d33c002ea074cf33d736f4ad4e520486338fe39ba7989f38e63d797e9d540a6be09ffcd5c27e27f6fefec574f0d62b35ad137

    • SSDEEP

      3072:6u034LyTdUfJjzBqFmdza1eE2xuBl7AoB9IP6YDU2EGFvOzp8VS9M65vKxlKZ99b:4GzoFmfE221B9IP6SjEGQ6VKNwl

    • 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