General

  • Target
    a1176266b5a96a2b39604353ade8ecffac7186b949171f650396969728c287a1.bin
  • Size 12.7MB
  • Sample261022-h4f9padt7k
  • SHA256 a1176266b5a96a2b39604353ade8ecffac7186b949171f650396969728c287a1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      a1176266b5a96a2b39604353ade8ecffac7186b949171f650396969728c287a1.bin
    • Size 12.7MB
    • SHA256 a1176266b5a96a2b39604353ade8ecffac7186b949171f650396969728c287a1
    • 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