Overview

overview

10

Static

static

Paid-Invoice.js

windows7_x64

10

Paid-Invoice.js

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    02/12/2021, 16:29

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General

  • Target
    Paid-Invoice.js
  • Size 9KB
  • Sample211202-ty883adee9
  • SHA256 da04c2f890db89ea8d49585214a52b105eeb0c80e72c968e5147099bf411668e
  • MD5 SHA1 SHA512
Score
10/10
vjw0rmpersistencetrojanworm

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

    trojanwormvjw0rm
  • Blocklisted process makes network request 17 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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.

    persistence
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Paid-Invoice.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\Paid-Invoice.js
      2⤵
      • Creates scheduled task(s)
      PID:1056

Network

        MITRE ATT&CK Enterprise v6

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        Downloads