General

  • Target

    JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c

  • Size

    12.4MB

  • Sample

    250108-b8kz4symgw

  • MD5

    8494dbde93c6140cf6d958e1b8b3824c

  • SHA1

    2c4786f4c80390611c4f9ed751df12db7fa032a5

  • SHA256

    1e53a862c089511f03f1573b403ac36ae35eee9d524cf5678386cc108c803737

  • SHA512

    1b310563820de10be38d2612169114e0ce3456f191341011a5a63221b1118995412281542bee60f708be971c75401178f5f8c600eba5cf7438993e61efc6229d

  • SSDEEP

    196608:txxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxH:

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_8494dbde93c6140cf6d958e1b8b3824c

    • Size

      12.4MB

    • MD5

      8494dbde93c6140cf6d958e1b8b3824c

    • SHA1

      2c4786f4c80390611c4f9ed751df12db7fa032a5

    • SHA256

      1e53a862c089511f03f1573b403ac36ae35eee9d524cf5678386cc108c803737

    • SHA512

      1b310563820de10be38d2612169114e0ce3456f191341011a5a63221b1118995412281542bee60f708be971c75401178f5f8c600eba5cf7438993e61efc6229d

    • SSDEEP

      196608:txxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxH:

    • 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