General

  • Target

    JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8

  • Size

    342KB

  • Sample

    241223-yy81hszmgq

  • MD5

    aabe3e7233157be95fab7d9295545d76

  • SHA1

    b48ff5343235e704de19f11fbb69703cb8add3d7

  • SHA256

    ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8

  • SHA512

    2aedc5cfa0fa21c78d9e44961a40c2fb3c8503ab2e3b8dade135832e58dc72f0fdd782109a7a0d0212c77359adf7ede9caeaaf620e8c89a6bad1160bbf8d13de

  • SSDEEP

    6144:DGw0hF+kAn2aj+qBqLpklFGodlzsPSa3MDUk4B+H90C:DhhdvBqLKlFGodlzsPSaq4Bu

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8

    • Size

      342KB

    • MD5

      aabe3e7233157be95fab7d9295545d76

    • SHA1

      b48ff5343235e704de19f11fbb69703cb8add3d7

    • SHA256

      ac0b7246c66b3e4fdb6da832de6c418de78ee28e696d4bb8882031d9164cfba8

    • SHA512

      2aedc5cfa0fa21c78d9e44961a40c2fb3c8503ab2e3b8dade135832e58dc72f0fdd782109a7a0d0212c77359adf7ede9caeaaf620e8c89a6bad1160bbf8d13de

    • SSDEEP

      6144:DGw0hF+kAn2aj+qBqLpklFGodlzsPSa3MDUk4B+H90C:DhhdvBqLKlFGodlzsPSaq4Bu

    • 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