General

  • Target

    JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2

  • Size

    164KB

  • Sample

    241229-qyjrmaspez

  • MD5

    109545ccd346a64438c76ad20826e428

  • SHA1

    b82cc2dd0a82359f66e70bdcdbb906fe977f2742

  • SHA256

    1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2

  • SHA512

    687069148861245b2facf2024036a881f3afc43e52b81419f0c7248288a1853106d67a1c5cd27017ad18cd0f4837216d61b49488eeaad843436940a130aad848

  • SSDEEP

    1536:dJI8UMLeRaE1C6XYLrh8PL7gzXZ87TQBpoC/o3jjIcUQRfr5AICRZShtDj46H9Dg:d1uZg7ZoCQ3jbBr5LQShtf4w7zS9H6l

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2

    • Size

      164KB

    • MD5

      109545ccd346a64438c76ad20826e428

    • SHA1

      b82cc2dd0a82359f66e70bdcdbb906fe977f2742

    • SHA256

      1a3d452d707358e9968750470f83aac0128fb466b334ebdc715d1bcfa25049e2

    • SHA512

      687069148861245b2facf2024036a881f3afc43e52b81419f0c7248288a1853106d67a1c5cd27017ad18cd0f4837216d61b49488eeaad843436940a130aad848

    • SSDEEP

      1536:dJI8UMLeRaE1C6XYLrh8PL7gzXZ87TQBpoC/o3jjIcUQRfr5AICRZShtDj46H9Dg:d1uZg7ZoCQ3jbBr5LQShtf4w7zS9H6l

    • 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