Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2023 09:28

General

  • Target

    1ZXSAOPKH09SA_PAYMENT-COPY.js

  • Size

    9.0MB

  • MD5

    2e2078339793c66d19efb2c4b642ccb1

  • SHA1

    714ae2b2c1ac173e5539c95d4594c0d3ed4aa438

  • SHA256

    15473e094a9ec464cce7a31879bc27eec654a43ea27239bd7f56afa333a59a7c

  • SHA512

    e184bf67a29fcc8b01afb9d225b57fc33e3b3cc905c01f585a5a417b6c106d8f2aeaf3133cd4b2f3c7aa5dec517096356e46f3ee2f05953fdd0c6af63191ac44

  • SSDEEP

    96:BZH1uy6XIUoN2lcJc9l8SVinV2F2uFInZW6cNxTGji578Gji5rmjiQD0wGji57ty:BZVh7yeSQnV2F2AIZW3NxT78i0w7t

Malware Config

Extracted

Family

vjw0rm

C2

http://jamnnd.duckdns.org:8024

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 2 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.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.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:3608
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\1ZXSAOPKH09SA_PAYMENT-COPY.js
      2⤵
      • Creates scheduled task(s)
      PID:2820

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads