General

  • Target

    JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea

  • Size

    12.3MB

  • Sample

    241224-r7wyzszmas

  • MD5

    36690b9a25ec3a105f7cceb9aef63723

  • SHA1

    e1e9364f44edd11f9f5201f52e5d99510b05265e

  • SHA256

    ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea

  • SHA512

    d6b0f3935e12bed38f4a74c7db1742bd0a0dcd2147bf08473d05e3815f91e0b39ab9034539bc1171352cc0e2ff9d8bf59c0b2f178a754e889328c7021a18c538

  • SSDEEP

    12288:h681A/PjFDOddddddddddddddddddddddddddddddddddddddddddddddddddddd:hRGP

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea

    • Size

      12.3MB

    • MD5

      36690b9a25ec3a105f7cceb9aef63723

    • SHA1

      e1e9364f44edd11f9f5201f52e5d99510b05265e

    • SHA256

      ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea

    • SHA512

      d6b0f3935e12bed38f4a74c7db1742bd0a0dcd2147bf08473d05e3815f91e0b39ab9034539bc1171352cc0e2ff9d8bf59c0b2f178a754e889328c7021a18c538

    • SSDEEP

      12288:h681A/PjFDOddddddddddddddddddddddddddddddddddddddddddddddddddddd:hRGP

    • 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