General

  • Target

    JaffaCakes118_ea371cd3d1ac8c8787e90acfa0c4022e6b770fcbc5dc996ea95e4af15ed8e46a

  • Size

    153KB

  • Sample

    241229-13bxpaykfr

  • MD5

    b1206e4d87af6babdbe3b4ca43a9bcad

  • SHA1

    8be00ab261754a95589aa67ed147ff169ef124d0

  • SHA256

    ea371cd3d1ac8c8787e90acfa0c4022e6b770fcbc5dc996ea95e4af15ed8e46a

  • SHA512

    6a4ae0319e3a83b679e81e9496ec365d14fe0c4dd91eefb6dcea3e5fec8151ea67761e32ee24bc5710121f021f73062bab3a7dd2806c789ad2d7724c9fb34b08

  • SSDEEP

    3072:I1R6lAXozVklu0SzKei5pgE+BHMZu0Oyz:I762XCVKSHV8Oc

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ea371cd3d1ac8c8787e90acfa0c4022e6b770fcbc5dc996ea95e4af15ed8e46a

    • Size

      153KB

    • MD5

      b1206e4d87af6babdbe3b4ca43a9bcad

    • SHA1

      8be00ab261754a95589aa67ed147ff169ef124d0

    • SHA256

      ea371cd3d1ac8c8787e90acfa0c4022e6b770fcbc5dc996ea95e4af15ed8e46a

    • SHA512

      6a4ae0319e3a83b679e81e9496ec365d14fe0c4dd91eefb6dcea3e5fec8151ea67761e32ee24bc5710121f021f73062bab3a7dd2806c789ad2d7724c9fb34b08

    • SSDEEP

      3072:I1R6lAXozVklu0SzKei5pgE+BHMZu0Oyz:I762XCVKSHV8Oc

    • 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