General

  • Target
    D0cumentreview_PDF.bat
  • Size 60.3MB
  • Sample261005-lf87cas1cs
  • SHA256 fc755f70ead19536894b7f1bb3e59d80868cf64feacfd7cefb377c6381ed6005
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • 5.175.169.221:5173

Extracted

Family
  • overlord

C2
  • 5.175.169.221:5173

Targets

    • Target
      D0cumentreview_PDF.bat
    • Size 60.3MB
    • SHA256 fc755f70ead19536894b7f1bb3e59d80868cf64feacfd7cefb377c6381ed6005
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Overlord RAT

    • Family: Overlord

      Overlord is an open-source Windows RAT written in Golang.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Executes dropped EXE

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks