General

  • Target

    JaffaCakes118_fe6d3f3331a3121fb734f373df045d7de52f73ca59f8b54d11432b25b4a0ddc1

  • Size

    164KB

  • Sample

    241222-kdbbvs1nfr

  • MD5

    688908d3247336adfc48107f72dedb39

  • SHA1

    9ecc3f6b91333c9c581c1c2cac15a20f48f57c90

  • SHA256

    fe6d3f3331a3121fb734f373df045d7de52f73ca59f8b54d11432b25b4a0ddc1

  • SHA512

    e6d5f39f216448acdad10ce0f6e5718fb4937c7790a9987e7228b9e8742f6fd3a85483288052121365480b86f3fdf4e183434fe863d82a545ef30705b2739197

  • SSDEEP

    3072:avs48eTSwJxXKS5gZ8S7Y2DZO6p5L9eS9H6p:ak4dGiv5GFY29eEa

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_fe6d3f3331a3121fb734f373df045d7de52f73ca59f8b54d11432b25b4a0ddc1

    • Size

      164KB

    • MD5

      688908d3247336adfc48107f72dedb39

    • SHA1

      9ecc3f6b91333c9c581c1c2cac15a20f48f57c90

    • SHA256

      fe6d3f3331a3121fb734f373df045d7de52f73ca59f8b54d11432b25b4a0ddc1

    • SHA512

      e6d5f39f216448acdad10ce0f6e5718fb4937c7790a9987e7228b9e8742f6fd3a85483288052121365480b86f3fdf4e183434fe863d82a545ef30705b2739197

    • SSDEEP

      3072:avs48eTSwJxXKS5gZ8S7Y2DZO6p5L9eS9H6p:ak4dGiv5GFY29eEa

    • 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