General

  • Target

    JaffaCakes118_cbdef5d10579ffa112cbfdaed47f0dea60e474847ec2c4925fb40f1cefa50827

  • Size

    165KB

  • Sample

    241223-sw191atkbw

  • MD5

    5bfc66916649ba29afc08d2d65bfea85

  • SHA1

    afebdb26e4ea69ef8764732614c37e290265d6ec

  • SHA256

    cbdef5d10579ffa112cbfdaed47f0dea60e474847ec2c4925fb40f1cefa50827

  • SHA512

    b7fc3afff4aec0aed51ade3d204b674d7b4c014e75959ee7f15624c0a96b2bee0317424fd246779f7fa9f2523dd7c8e467509b138a83f83b46c2a55c0271e40d

  • SSDEEP

    3072:oHecR8524ftXuGBT+7q+scZI6tJ4ZE8AqkhaP/bL1x2:9cR024lXu8afsV6teuWkYXbLS

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_cbdef5d10579ffa112cbfdaed47f0dea60e474847ec2c4925fb40f1cefa50827

    • Size

      165KB

    • MD5

      5bfc66916649ba29afc08d2d65bfea85

    • SHA1

      afebdb26e4ea69ef8764732614c37e290265d6ec

    • SHA256

      cbdef5d10579ffa112cbfdaed47f0dea60e474847ec2c4925fb40f1cefa50827

    • SHA512

      b7fc3afff4aec0aed51ade3d204b674d7b4c014e75959ee7f15624c0a96b2bee0317424fd246779f7fa9f2523dd7c8e467509b138a83f83b46c2a55c0271e40d

    • SSDEEP

      3072:oHecR8524ftXuGBT+7q+scZI6tJ4ZE8AqkhaP/bL1x2:9cR024lXu8afsV6teuWkYXbLS

    • 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