Overview

overview

10

Static

static

1

sus.js

windows10-2004-x64

10

Resubmissions

09-01-2025 16:47

250109-vang5avlcx 10

09-01-2025 10:36

250109-mm9xwszlap 10

Analysis

  • max time kernel
    64s
  • max time network
    62s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 10:36

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General

  • Target

    sus.js

  • Size

    5KB

  • MD5

    5ffa64bc687da9b568eaaca857db1a1f

  • SHA1

    5593dcbaee25124b49a9bd76a491c53cefb54acb

  • SHA256

    f494422ec0931062c6fd39171b0363299073cb78b18209b11fe36f1c3065f8d6

  • SHA512

    5ec4704d2da3c221d8dcf4df7adb2845e1ccafce689d33141c3bbd8bd702355e71fc91e9e5b5c2f763c6b76c05f33c401004d085608147dd720da31db834399a

  • SSDEEP

    96:SABNo5DRk2c24ZRMHXE6/BI0w+Ys+fJrDdQqR7bJyKIROS4Uu/ingHXRZfzYMe/d:zSa2c24ZRMlBI0TYs+fJXfRfNJingHXm

Score
10/10
vjw0rmexecutionpersistencetrojanworm

Malware Config

Extracted

Family

vjw0rm

C2

http://speed-janet.gl.at.ply.gg:2217

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

    trojanwormvjw0rm
  • Vjw0rm family
    vjw0rm
  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\sus.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Public\sus.js
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\7QPSINFFGP.exe
      "C:\Users\Admin\AppData\Local\Temp\7QPSINFFGP.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7QPSINFFGP.exe
    Filesize

    3.8MB

    MD5

    46c17c999744470b689331f41eab7df1

    SHA1

    b8a63127df6a87d333061c622220d6d70ed80f7c

    SHA256

    c5b5def1c8882b702b6b25cbd94461c737bc151366d2d9eba5006c04886bfc9a

    SHA512

    4b02a3e85b699f62df1b4fe752c4dee08cfabc9b8bb316bc39b854bd5187fc602943a95788ec680c7d3dc2c26ad882e69c0740294bd6cb3b32cdcd165a9441b6

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