General

  • Target

    673fd280acc70fb5a29c183c583b5435_JaffaCakes118

  • Size

    12.2MB

  • Sample

    241021-y7jrzswerm

  • MD5

    673fd280acc70fb5a29c183c583b5435

  • SHA1

    18a44308d157d47d534c6d8059a831ac38c43125

  • SHA256

    2477e4fdf1faf8de44ab120dc92ed7f485ce0c4cb734574907a7776b70265aee

  • SHA512

    b38862ecebf3aadb59ada9efba0ebec09ec23903352b36735f9e8c17b324c1800791af1bd5a95153dcb29ed99c10ab7dd04ec9fb6cecfc2a70827707788206e5

  • SSDEEP

    12288:06oEnffffffffffffffffffffffffffffffffffffffffffffffffffffffffff/:06

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      673fd280acc70fb5a29c183c583b5435_JaffaCakes118

    • Size

      12.2MB

    • MD5

      673fd280acc70fb5a29c183c583b5435

    • SHA1

      18a44308d157d47d534c6d8059a831ac38c43125

    • SHA256

      2477e4fdf1faf8de44ab120dc92ed7f485ce0c4cb734574907a7776b70265aee

    • SHA512

      b38862ecebf3aadb59ada9efba0ebec09ec23903352b36735f9e8c17b324c1800791af1bd5a95153dcb29ed99c10ab7dd04ec9fb6cecfc2a70827707788206e5

    • SSDEEP

      12288:06oEnffffffffffffffffffffffffffffffffffffffffffffffffffffffffff/:06

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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