General

  • Target

    JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72

  • Size

    240KB

  • Sample

    241230-wv61msvndz

  • MD5

    e18f55416688875bd059aa78bad93fc5

  • SHA1

    4b3c98a0eede1f6d9c3641f41ad5bcdef901430f

  • SHA256

    ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72

  • SHA512

    6eda58d760b9cf68dc61441899bf3a7427c3eda588d18db1b27fba90536d69c0b3b19c66221a43c2097b6bb58bfd5a8a3bce695d62dfee5f76f5ad588b89a6a7

  • SSDEEP

    3072:kItj9qmR1YGra4etPzs+0aIC7yKzbaBwNrrFpxf8cd/J5obromE9QsPB:kgJFYGrTwzsyKwhFpxfLFH9rP

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72

    • Size

      240KB

    • MD5

      e18f55416688875bd059aa78bad93fc5

    • SHA1

      4b3c98a0eede1f6d9c3641f41ad5bcdef901430f

    • SHA256

      ba34518dee7609ea2c21e2f7ff7a7f486ff2fadc8a16bbba0b1df035f4ae4a72

    • SHA512

      6eda58d760b9cf68dc61441899bf3a7427c3eda588d18db1b27fba90536d69c0b3b19c66221a43c2097b6bb58bfd5a8a3bce695d62dfee5f76f5ad588b89a6a7

    • SSDEEP

      3072:kItj9qmR1YGra4etPzs+0aIC7yKzbaBwNrrFpxf8cd/J5obromE9QsPB:kgJFYGrTwzsyKwhFpxfLFH9rP

    • 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