General

  • Target
    dc63c79c3f7bc083812b8e8f47c44902.zip
  • Size 192KB
  • Sample240831-hrlnms1dpf
  • SHA256 1806e405c12737768f8c99f5e04d781920b2585283d82ff0683203fe5d991eda
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • defeatwax.ru

  • refabyd.info

Targets

    • Target
      d29a3b017f6a864c855fca570073d822bb37a77006467b8a75f04ce7edcbfedc
    • Size 14.5MB
    • SHA256 d29a3b017f6a864c855fca570073d822bb37a77006467b8a75f04ce7edcbfedc
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • 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