General

  • Target
    IrisBridge_OneClick.bat
  • Size 8KB
  • Sample261113-w36pvae141
  • SHA256 c5b7591a052c5de4241b701c0fff24a5401976c0adc9d6d45a3eca97e6cf453b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      IrisBridge_OneClick.bat
    • Size 8KB
    • SHA256 c5b7591a052c5de4241b701c0fff24a5401976c0adc9d6d45a3eca97e6cf453b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • Downloads a file with CertUtil

      CertUtil's URL cache options fetch arbitrary files from a web server, which can be used to retrieve further payloads.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks