Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 15:28

General

  • Target

    cc10da7e2a5c074cc559ed0f19a4880ae171a44b0039a5d3caadfd326db714fc.js

  • Size

    616KB

  • MD5

    70a617fd2bdb08c64a65ecfba1612140

  • SHA1

    d41eec4cb2f449b845d3f4fa3baf80086705bba6

  • SHA256

    cc10da7e2a5c074cc559ed0f19a4880ae171a44b0039a5d3caadfd326db714fc

  • SHA512

    52c22c0b1d8b8e1b69224e4164fb75d0b07b7b1f8fb6b9b843218f0c01cae0279fe45cecbb538b021ddb7e57c723917ae2f34186881db210c8b4953b7a2b0961

  • SSDEEP

    12288:NYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMa:NYeIrWr/qRigAyX/kngXFbjTLvaH28nZ

Malware Config

Extracted

Family

wshrat

C2

http://masterokrwh.duckdns.org:8426

Signatures

  • WSHRAT

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

  • Blocklisted process makes network request 28 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 25 IoCs

    Uses user-agent string associated with script host/environment.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\cc10da7e2a5c074cc559ed0f19a4880ae171a44b0039a5d3caadfd326db714fc.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc10da7e2a5c074cc559ed0f19a4880ae171a44b0039a5d3caadfd326db714fc.js

    Filesize

    616KB

    MD5

    70a617fd2bdb08c64a65ecfba1612140

    SHA1

    d41eec4cb2f449b845d3f4fa3baf80086705bba6

    SHA256

    cc10da7e2a5c074cc559ed0f19a4880ae171a44b0039a5d3caadfd326db714fc

    SHA512

    52c22c0b1d8b8e1b69224e4164fb75d0b07b7b1f8fb6b9b843218f0c01cae0279fe45cecbb538b021ddb7e57c723917ae2f34186881db210c8b4953b7a2b0961