General

  • Target
    01e7399665fb666967364e6d28b461d9
  • Size 14.5MB
  • Sample231229-yarrbsffa2
  • SHA256 e85a0596ff82987f0b4cf78140a43650ae7af258edebca34924a2baa58304632
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • tofsee

C2
  • 176.111.174.19

  • lazystax.ru

Targets

    • Target
      01e7399665fb666967364e6d28b461d9
    • Size 14.5MB
    • SHA256 e85a0596ff82987f0b4cf78140a43650ae7af258edebca34924a2baa58304632
    • MD5 SHA1 SHA512 SSDEEP
    • Tofsee

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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks