General

  • Target

    JaffaCakes118_a28d43022796b67f3436e736c9b4539640cb57673304c77f93f53d73e2edd3ee

  • Size

    234KB

  • Sample

    241225-vt9vgazphn

  • MD5

    ed700237ae98c75e0552077ff9a4e162

  • SHA1

    828692ee6880cd1f18da0f4c58566d6e5e8d6f92

  • SHA256

    a28d43022796b67f3436e736c9b4539640cb57673304c77f93f53d73e2edd3ee

  • SHA512

    e9ba4cf57563aafd1531b9a75f1d83b8e2f307ecef83e60e2467bd45482718581b96f7c792680e643e2d1587f2ce06b4476ed54502ba0cefded9237d0743bcc6

  • SSDEEP

    6144:Ho9cm6juiXkrg3mtJ9fE53Z2fnpEfdmS:Hicm6juiUg3m5A34ald

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_a28d43022796b67f3436e736c9b4539640cb57673304c77f93f53d73e2edd3ee

    • Size

      234KB

    • MD5

      ed700237ae98c75e0552077ff9a4e162

    • SHA1

      828692ee6880cd1f18da0f4c58566d6e5e8d6f92

    • SHA256

      a28d43022796b67f3436e736c9b4539640cb57673304c77f93f53d73e2edd3ee

    • SHA512

      e9ba4cf57563aafd1531b9a75f1d83b8e2f307ecef83e60e2467bd45482718581b96f7c792680e643e2d1587f2ce06b4476ed54502ba0cefded9237d0743bcc6

    • SSDEEP

      6144:Ho9cm6juiXkrg3mtJ9fE53Z2fnpEfdmS:Hicm6juiUg3m5A34ald

    • 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