General

  • Target

    JaffaCakes118_19bcbeb0b9f81c775fa96cddac76e5d3a55f65ed580ea93d452e656f3d1231e2

  • Size

    277KB

  • Sample

    241229-2b18yaymes

  • MD5

    a8301ded770dca5b37d8d125f8bbbb8b

  • SHA1

    a6a90c8a0132c172cb384e803ea735de365b3859

  • SHA256

    19bcbeb0b9f81c775fa96cddac76e5d3a55f65ed580ea93d452e656f3d1231e2

  • SHA512

    c5a9d5a8957155d8bb006a6e75695bc8ed4d775bf7797869067d8c81192fe87003c122fde8f6d9031f2eeae852c996914ed0d0e26efbcc83ffad96e0c1ab054e

  • SSDEEP

    3072:A/0FXt7yv4zdOPOPtGTRZEYWigNQsKZRVy8U/qed+pHMGrYv5QkA9UyYkDUa+1pB:AH+YP6otZai9Xy8qLiHMGr609UyYfXt

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_19bcbeb0b9f81c775fa96cddac76e5d3a55f65ed580ea93d452e656f3d1231e2

    • Size

      277KB

    • MD5

      a8301ded770dca5b37d8d125f8bbbb8b

    • SHA1

      a6a90c8a0132c172cb384e803ea735de365b3859

    • SHA256

      19bcbeb0b9f81c775fa96cddac76e5d3a55f65ed580ea93d452e656f3d1231e2

    • SHA512

      c5a9d5a8957155d8bb006a6e75695bc8ed4d775bf7797869067d8c81192fe87003c122fde8f6d9031f2eeae852c996914ed0d0e26efbcc83ffad96e0c1ab054e

    • SSDEEP

      3072:A/0FXt7yv4zdOPOPtGTRZEYWigNQsKZRVy8U/qed+pHMGrYv5QkA9UyYkDUa+1pB:AH+YP6otZai9Xy8qLiHMGr609UyYfXt

    • 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