Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2022, 15:31

General

  • Target

    jQCWVHjWAA.js

  • Size

    26KB

  • MD5

    1f7855c87513cf8d9f4b5319445865cf

  • SHA1

    a73d48e0da18067c2e943da97c45acb679e18139

  • SHA256

    b386904566434edecd5319ebe730f8c5ecd05d8003eaf8b695cc771aa17c2579

  • SHA512

    41eb3f05e08fa6b878b1a8ffa90cba44756be53ea09d00c63425ba176f1bef31dc677caea99acfb2e6298403efaae1af4e71ea5a7fe29158a9c0510bfee022a9

Score
10/10

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 30 IoCs
  • Drops startup file 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\jQCWVHjWAA.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:1528

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\bZQEUbJxNj.js

          Filesize

          6KB

          MD5

          a542a21ecaba36f6ba8c6457b8ab67f9

          SHA1

          3f05ddc6d6e59554cd9870b9e4b17919b81eaa6c

          SHA256

          bc831f27e6da7b5e82be628a1564c8b6aee02ec9290c5d21f99733dd2d1db47b

          SHA512

          78ca13a83bbd029470978b1e465ee6b0c2a9345a1fe8ee3e86d9f1d48bd52b7927a16e607f71084a91706213d8ddc0293ed06a1927e478b9bbc21ab0b47b9a2a

        • memory/1528-56-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

          Filesize

          8KB