Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2023 14:50

General

  • Target

    Quotation_Request.js

  • Size

    1.1MB

  • MD5

    2ccb346e287c2eaaf1954e289d85bb90

  • SHA1

    589b523fdf4feadab37b5ca37f3940b9e068935a

  • SHA256

    7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

  • SHA512

    7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

  • SSDEEP

    6144:QQ87FYrGNaJRpypQNKpSoZWaOHWFgqvUe/i7EnI1jtImrA/dgtrltwgV2X4EJIgq:T61wzl

Score
10/10

Malware Config

Extracted

Family

wshrat

C2

http://harold.2waky.com:3609

Signatures

  • WSHRAT

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

  • Blocklisted process makes network request 21 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 20 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\Quotation_Request.js
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Quotation_Request.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    384KB

    MD5

    38c81b50c9f8761aea4a94a93fe8373b

    SHA1

    3a1493e7cfff392327010f1451a06e5a5ec86f99

    SHA256

    dd23c56607055712d319622bcb1311f3e5c11f4f0e1975750c6dd56f2d89e1c8

    SHA512

    6e6466676909351ad8f3a7fda6a4f53c24d1ffcbbb6cc979dd09de866f9f9f8228b4a90713c926b5804b776cb2b11ced699ecc538b7d8e70537960069625e1c1

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

    1.1MB

    MD5

    2ccb346e287c2eaaf1954e289d85bb90

    SHA1

    589b523fdf4feadab37b5ca37f3940b9e068935a

    SHA256

    7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

    SHA512

    7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

  • C:\Users\Admin\AppData\Roaming\Quotation_Request.js
    Filesize

    1.1MB

    MD5

    2ccb346e287c2eaaf1954e289d85bb90

    SHA1

    589b523fdf4feadab37b5ca37f3940b9e068935a

    SHA256

    7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

    SHA512

    7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4