General

  • Target
    3e87148fa8fc395c4121b6973193cf3ac286a69a3fb014d40be4bf2b4b26abc1.bin
  • Size 12.9MB
  • Sample261101-fx34rssygs
  • SHA256 3e87148fa8fc395c4121b6973193cf3ac286a69a3fb014d40be4bf2b4b26abc1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      3e87148fa8fc395c4121b6973193cf3ac286a69a3fb014d40be4bf2b4b26abc1.bin
    • Size 12.9MB
    • SHA256 3e87148fa8fc395c4121b6973193cf3ac286a69a3fb014d40be4bf2b4b26abc1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Tofsee

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

    • Windows security bypass

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks