General

  • Target
    2026-09-04_31611934addd997ac6379a763d3b5258_elex_remcos_rhadamanthys_smoke-loader_stealc_tofsee
  • Size 11.0MB
  • Sample260905-sbdyzaek2s
  • SHA256 2dc1e93b79f35c3e2036214a12e5f527409a35192247d26c949fa258678bcbdf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • vanaheim.cn

  • jotunheim.name

Targets

    • Target
      2026-09-04_31611934addd997ac6379a763d3b5258_elex_remcos_rhadamanthys_smoke-loader_stealc_tofsee
    • Size 11.0MB
    • SHA256 2dc1e93b79f35c3e2036214a12e5f527409a35192247d26c949fa258678bcbdf
    • 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