General

  • Target
    27102026_1551_27102026_eCertificate_of_Creditable_Tax.iso.rar
  • Size 1.1MB
  • Sample261027-tav2jadh93
  • SHA256 ba565b03244dc4f73ae5f59ae634441535cf4459f47ed106da3d3ccbcb9a6d14
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      eCertificate_of_Creditable_Tax.exe
    • Size 1.6MB
    • SHA256 ee96690fb956f184bbfe8c39a84b8927ef91cf75cbee0b2ccfbf9b3cd7339658
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Modifies WinLogon for persistence

    • Suricata alert: REMCOS RAT Malware Inbound C2 Communication

      Network activity triggered a Suricata alert

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks