General

  • Target
    a5da734edd5d6da74e5449bdc11c1bf60b95504a710096f9f507dd8e9be9752b
  • Size 9.8MB
  • Sample260715-drrsfadv8x
  • SHA256 a5da734edd5d6da74e5449bdc11c1bf60b95504a710096f9f507dd8e9be9752b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      app_setup.66tt009.msi
    • Size 9.9MB
    • SHA256 b1885c7abedd964c4f4e241bb9a196223683141e8ade93be218fdfb02d2982bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Badlisted process makes network request

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

    • Enumerates connected drives

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

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks