General

  • Target

    f36423b40d7a0bbc75a9d05f0e324e72_JaffaCakes118

  • Size

    13.2MB

  • Sample

    240416-nkh7tshb78

  • MD5

    f36423b40d7a0bbc75a9d05f0e324e72

  • SHA1

    31f80e7d1cea645b288db9835c5e52b23fa103b2

  • SHA256

    e0e94c3fafd615c50c084cf4d72bb8f98495ad99ec2408289ae47322748120f7

  • SHA512

    fc6118271567c7697b09d7c0ef7acc50cd1867768fd06302533f96b83009c3f7f566813f20f555d628a9d2fc7c9756ca0115f32d534add97c8c66a03ed48b7a7

  • SSDEEP

    3072:Fdi8DS3tA2awlaR7/NDzFx2l0oHgBpMKwVTORO2j4UCtXGPjsjmw+V0+V0+V0+V+:a8DiApRRDzFxk0oHOpfws6Uprgp

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f36423b40d7a0bbc75a9d05f0e324e72_JaffaCakes118

    • Size

      13.2MB

    • MD5

      f36423b40d7a0bbc75a9d05f0e324e72

    • SHA1

      31f80e7d1cea645b288db9835c5e52b23fa103b2

    • SHA256

      e0e94c3fafd615c50c084cf4d72bb8f98495ad99ec2408289ae47322748120f7

    • SHA512

      fc6118271567c7697b09d7c0ef7acc50cd1867768fd06302533f96b83009c3f7f566813f20f555d628a9d2fc7c9756ca0115f32d534add97c8c66a03ed48b7a7

    • SSDEEP

      3072:Fdi8DS3tA2awlaR7/NDzFx2l0oHgBpMKwVTORO2j4UCtXGPjsjmw+V0+V0+V0+V+:a8DiApRRDzFxk0oHOpfws6Uprgp

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks