General

  • Target

    JaffaCakes118_ca8256d0c45a22331c492aa3db86bb7e6b5ceb2c174198982e1b869bd09ccd52

  • Size

    242KB

  • Sample

    241229-d5nyps1nfy

  • MD5

    c52fdb82480e2d859a00faf94cd47285

  • SHA1

    40e7989b436fbdf67367a8885ba9cf953793ea4a

  • SHA256

    ca8256d0c45a22331c492aa3db86bb7e6b5ceb2c174198982e1b869bd09ccd52

  • SHA512

    d010316fbfb076cd514183d70885b9af495a5ec8721afab4de1e6dcac371d4a12dd7684ba60a46215dee91c7205c3aa6e64d55c90bdd69122ae249dbd1c1e2b1

  • SSDEEP

    6144:dLZQVtYziDZnv76PE7QQvRdLta6R36k4igVx:BZtziDZnvmxQv/JPR36k4i

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_ca8256d0c45a22331c492aa3db86bb7e6b5ceb2c174198982e1b869bd09ccd52

    • Size

      242KB

    • MD5

      c52fdb82480e2d859a00faf94cd47285

    • SHA1

      40e7989b436fbdf67367a8885ba9cf953793ea4a

    • SHA256

      ca8256d0c45a22331c492aa3db86bb7e6b5ceb2c174198982e1b869bd09ccd52

    • SHA512

      d010316fbfb076cd514183d70885b9af495a5ec8721afab4de1e6dcac371d4a12dd7684ba60a46215dee91c7205c3aa6e64d55c90bdd69122ae249dbd1c1e2b1

    • SSDEEP

      6144:dLZQVtYziDZnv76PE7QQvRdLta6R36k4igVx:BZtziDZnvmxQv/JPR36k4i

    • 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