General

  • Target
    c00a4213668f1ae5d62bf5ae60bdb47d355ea53973f79e201c7660643c8608b8.bin
  • Size 13.5MB
  • Sample261111-29lk5scw71
  • SHA256 c00a4213668f1ae5d62bf5ae60bdb47d355ea53973f79e201c7660643c8608b8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      c00a4213668f1ae5d62bf5ae60bdb47d355ea53973f79e201c7660643c8608b8.bin
    • Size 13.5MB
    • SHA256 c00a4213668f1ae5d62bf5ae60bdb47d355ea53973f79e201c7660643c8608b8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Tofsee

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

    • Modifies Windows Firewall

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Creates new service(s)

    • Deletes itself

    • Executes dropped EXE

    • Windows security bypass

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks