General

  • Target
    2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader
  • Size 12.6MB
  • Sample261101-c8bxwastd1
  • SHA256 972c88a27400bcd329cd4d37501e86533aa5e83bbf439a17ab5459a570c55c28
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Targets

    • Target
      2026-10-30_5052cbc39c635f0314d6ef18a5d70f21_amadey_elex_remcos_smoke-loader
    • Size 12.6MB
    • SHA256 972c88a27400bcd329cd4d37501e86533aa5e83bbf439a17ab5459a570c55c28
    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks