Resubmissions

04/11/2026, 17:07

261104-vmx74as1dw10

03/11/2026, 21:16

261103-z4q8bswvb110

03/11/2026, 21:09

261103-zzrcjacy5t10

General

  • Target
    Railes rat.exe
  • Size 3.2MB
  • Sample261104-vmx74as1dw
  • SHA256 0381721d8371e92d2b31e2a703a148fb315a33dec876350e3f63ad3e17264aa6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Railes rat.exe
    • Size 3.2MB
    • SHA256 0381721d8371e92d2b31e2a703a148fb315a33dec876350e3f63ad3e17264aa6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies firewall policy service

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Disables use of System Restore points

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • 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.

    • Disables service(s)

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks