General

  • Target
    26dc30509b939d95f3e7ff81bd9c02cd.zip
  • Size 168KB
  • Sample240831-k645msweln
  • SHA256 1a7fa17efcbbce7d07288cf31753af7b8ba2f3dc911a30015f9f8fc53c392285
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • defeatwax.ru

  • refabyd.info

Targets

    • Target
      bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9
    • Size 13.1MB
    • SHA256 bc08635f68d183add0e1c746f47d07815a903aac07c3334131cfc808f85b8bd9
    • 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