Analysis

  • max time kernel
    157s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2023, 09:12

General

  • Target
    Order-Specification.vbs
  • Size 289KB
  • Sample230507-k6hlmsde33
  • SHA256 315061606e655e66db6ed9fa5bcbbac33e645c36da0a5730717973b8e323eb0d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • wshrat

C2
  • http://chongmei33.publicvm.com:7045

Signatures

  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

  • Blocklisted process makes network request 25 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Order-Specification.vbs"
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:2296

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        Order-Specification.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Order-Specification.vbs
        • Size 289KB
        • SHA256 315061606e655e66db6ed9fa5bcbbac33e645c36da0a5730717973b8e323eb0d
        • MD5 SHA1 SHA512 SSDEEP