Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 08:01

General

  • Target

    Request For Quotation.js

  • Size

    940KB

  • MD5

    78252a15f51c83f53b649437cfb4dd89

  • SHA1

    199691ba02706c385773a874fe6a6f6776d336dc

  • SHA256

    0677778651e6e33725cf6517a2bfa1fba1c7ca0bccde26b9c1408cd95b1741f9

  • SHA512

    87217894c79e6e17ef7c40ae3e8ab404fe5a7fc55028763bce93388cb9cc8c778536061ac97ddbc51bb5424a00f55d7362480706c04bfc7ceaa18fc70957c264

  • SSDEEP

    6144:XQsxuHg3waI+262g6Wl087udlFgnSTlWViJo4Q5SSAjMDbriPufIKeMuRg3B6oWM:gD4

Score
10/10

Malware Config

Extracted

Family

wshrat

C2

http://harold.jetos.com:3609

Signatures

  • WSHRAT

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

  • Blocklisted process makes network request 16 IoCs
  • Drops startup file 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 14 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Request For Quotation.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Request For Quotation.js

    Filesize

    940KB

    MD5

    78252a15f51c83f53b649437cfb4dd89

    SHA1

    199691ba02706c385773a874fe6a6f6776d336dc

    SHA256

    0677778651e6e33725cf6517a2bfa1fba1c7ca0bccde26b9c1408cd95b1741f9

    SHA512

    87217894c79e6e17ef7c40ae3e8ab404fe5a7fc55028763bce93388cb9cc8c778536061ac97ddbc51bb5424a00f55d7362480706c04bfc7ceaa18fc70957c264