Overview

overview

10

Static

static

payment receipt.js

windows7-x64

10

payment receipt.js

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 06:51

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General

  • Target
    payment receipt.js
  • Size 51KB
  • Sample221107-hmhfesche5
  • SHA256 5619ede0802eae9659da207f84f3bb00d576bc80601609557f0cce017dc35501
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
vjw0rmwshratpersistencetrojanworm

Malware Config

Extracted

Family

  • wshrat

C2

  • http://takeall.duckdns.org:1991

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

    trojanwormvjw0rm
  • WSHRAT

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

    trojanwshrat
  • Blocklisted process makes network request 37 IoCs
  • Drops startup file 5 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 27 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\payment receipt.js"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\nmLrNiYocF.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:764
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\payment receipt.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:964
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\nmLrNiYocF.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        PID:1732

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        nmLrNiYocF.js
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nmLrNiYocF.js
        • Size 10KB
        • SHA256 cb1ba05e3d6b07acc0f22c867a18e9216d57e4a09dd7577a3501f9f80fcc4d59
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        payment receipt.js
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\payment receipt.js
        • Size 51KB
        • SHA256 5619ede0802eae9659da207f84f3bb00d576bc80601609557f0cce017dc35501
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nmLrNiYocF.js
        • Path C:\Users\Admin\AppData\Roaming\nmLrNiYocF.js
        • Size 10KB
        • SHA256 cb1ba05e3d6b07acc0f22c867a18e9216d57e4a09dd7577a3501f9f80fcc4d59
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nmLrNiYocF.js
        • Path C:\Users\Admin\AppData\Roaming\nmLrNiYocF.js
        • Size 10KB
        • SHA256 cb1ba05e3d6b07acc0f22c867a18e9216d57e4a09dd7577a3501f9f80fcc4d59
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        payment receipt.js
        • Path C:\Users\Admin\AppData\Roaming\payment receipt.js
        • Size 51KB
        • SHA256 5619ede0802eae9659da207f84f3bb00d576bc80601609557f0cce017dc35501
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1388-54-0x000007FEFC141000-0x000007FEFC143000-memory.dmp
        Download