General

  • Target

    JaffaCakes118_7b0ab20f77ec02d17ce7709082efc9fe

  • Size

    11.7MB

  • Sample

    250107-1mtskaznex

  • MD5

    7b0ab20f77ec02d17ce7709082efc9fe

  • SHA1

    9f784e9028d93c96b5891d32836e87190b0299f2

  • SHA256

    2fa9f901e9467db8bbf7def10e02da05257f62448ea69bbf55b0b9a834a88301

  • SHA512

    e0fb3b8903251973f6adb934fe3495fabc310c29d7a816c8f2ee6bb08652d11e62fc1544d0f268e481de073c586f224163313a850846b0dc2271b7e8e4a5f412

  • SSDEEP

    196608:LI++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++:L

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_7b0ab20f77ec02d17ce7709082efc9fe

    • Size

      11.7MB

    • MD5

      7b0ab20f77ec02d17ce7709082efc9fe

    • SHA1

      9f784e9028d93c96b5891d32836e87190b0299f2

    • SHA256

      2fa9f901e9467db8bbf7def10e02da05257f62448ea69bbf55b0b9a834a88301

    • SHA512

      e0fb3b8903251973f6adb934fe3495fabc310c29d7a816c8f2ee6bb08652d11e62fc1544d0f268e481de073c586f224163313a850846b0dc2271b7e8e4a5f412

    • SSDEEP

      196608:LI++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++:L

    • 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