General

  • Target

    JaffaCakes118_39a4223734b3e0de32868512cbb0caea

  • Size

    12.2MB

  • Sample

    241231-1x9lrstqar

  • MD5

    39a4223734b3e0de32868512cbb0caea

  • SHA1

    9a37a54a9c3746471928a4256c2de833430e429d

  • SHA256

    8b375f518fff7dbc1a19a8a088f0b29607a4edd6341f5edf32fc17d2aca29c20

  • SHA512

    b9a1aca79b459e58f2a9cdf0757a3c344a4e8145da057601f44e7699ee81a5bb1f801105ead8f15f79eaa49666347ae923882552a065d42a2ae82e97540b5f82

  • SSDEEP

    98304:nUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUE:

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_39a4223734b3e0de32868512cbb0caea

    • Size

      12.2MB

    • MD5

      39a4223734b3e0de32868512cbb0caea

    • SHA1

      9a37a54a9c3746471928a4256c2de833430e429d

    • SHA256

      8b375f518fff7dbc1a19a8a088f0b29607a4edd6341f5edf32fc17d2aca29c20

    • SHA512

      b9a1aca79b459e58f2a9cdf0757a3c344a4e8145da057601f44e7699ee81a5bb1f801105ead8f15f79eaa49666347ae923882552a065d42a2ae82e97540b5f82

    • SSDEEP

      98304:nUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUE:

    • 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