General

  • Target
    2026-09-04_14593089bb9a5be9f068014d5d4e42f2_elex_remcos_rhadamanthys_smoke-loader_stealc_tofsee
  • Size 12.7MB
  • Sample260905-whhsaazbkb
  • SHA256 7f26e53c0675b031516fc16c25a316effeadc92589784679aa04aae0b741f3a3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      2026-09-04_14593089bb9a5be9f068014d5d4e42f2_elex_remcos_rhadamanthys_smoke-loader_stealc_tofsee
    • Size 12.7MB
    • SHA256 7f26e53c0675b031516fc16c25a316effeadc92589784679aa04aae0b741f3a3
    • 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