General

  • Target

    JaffaCakes118_57093deb4af9d588900f67fc2e2d677e

  • Size

    12.1MB

  • Sample

    250101-qtg28sypgj

  • MD5

    57093deb4af9d588900f67fc2e2d677e

  • SHA1

    a83d4ced5a0d5fa7e4f1748bd1f8a9c9105bcdac

  • SHA256

    e22cebdc511361af6279b3d257d5ca3c69fdd3b799f193fe3fdd8f9eeb303573

  • SHA512

    da85cff41991841286401dcac9341db0740304c6d4421b5246160a1075b084c305f0069b05fd5e2dd85952de0382118857bad2fe473c95c4553761f7c504756d

  • SSDEEP

    6144:/uumRZNKfLWUAUx6z6z1PiK/GasVhMz/bY:GbUR6z6zHGasVhU

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_57093deb4af9d588900f67fc2e2d677e

    • Size

      12.1MB

    • MD5

      57093deb4af9d588900f67fc2e2d677e

    • SHA1

      a83d4ced5a0d5fa7e4f1748bd1f8a9c9105bcdac

    • SHA256

      e22cebdc511361af6279b3d257d5ca3c69fdd3b799f193fe3fdd8f9eeb303573

    • SHA512

      da85cff41991841286401dcac9341db0740304c6d4421b5246160a1075b084c305f0069b05fd5e2dd85952de0382118857bad2fe473c95c4553761f7c504756d

    • SSDEEP

      6144:/uumRZNKfLWUAUx6z6z1PiK/GasVhMz/bY:GbUR6z6zHGasVhU

    • 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