General

  • Target

    c5827bccfff621de9248e02b015d9522_JaffaCakes118

  • Size

    10.3MB

  • Sample

    241205-c4yabatrdx

  • MD5

    c5827bccfff621de9248e02b015d9522

  • SHA1

    e8be59c1d0523f26497bffd90b2c72c4377e9bb6

  • SHA256

    b186eda75a3fd90163c798cb6b11f457f04175e71e09f86c0ec7037c56db55d9

  • SHA512

    4a0caae7f03ce30426395061706c4be51e11f0d53624b0ed115b3861d5264c462ccd1c1e7a6ab30fe4b2140fee898673980f0ab104799c663c1cde9acfc48568

  • SSDEEP

    49152:2cUGb2222222222222222222222222222222222222222222222222222222222P:2cU

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      c5827bccfff621de9248e02b015d9522_JaffaCakes118

    • Size

      10.3MB

    • MD5

      c5827bccfff621de9248e02b015d9522

    • SHA1

      e8be59c1d0523f26497bffd90b2c72c4377e9bb6

    • SHA256

      b186eda75a3fd90163c798cb6b11f457f04175e71e09f86c0ec7037c56db55d9

    • SHA512

      4a0caae7f03ce30426395061706c4be51e11f0d53624b0ed115b3861d5264c462ccd1c1e7a6ab30fe4b2140fee898673980f0ab104799c663c1cde9acfc48568

    • SSDEEP

      49152:2cUGb2222222222222222222222222222222222222222222222222222222222P:2cU

    • 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