Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2022, 09:11

General

  • Target

    Inquiry - P.O# 01048.js

  • Size

    18KB

  • MD5

    1970cfc97fe91d9565f7360520b254ac

  • SHA1

    6aab77218504a02b60333cc1b6d4385f3eef4ddd

  • SHA256

    ee4fe0e9b80548010efafc805070d10302444cd4c3cda5d320c07abfc4bf0cba

  • SHA512

    ad4a80ee806f6ddf5f2b8384d24f62290e84cd0572a0482e8c39b1153af8f12c2938acf10e0ea3e02f07dc929defd2916e550939505bf891e5e8db1a0f6c58ea

  • SSDEEP

    384:GFc+6G3dqKh16bpOGGRjKIbWqMsu+dv9Dv+QM3F:GqLPo6gRjnMstDGQM3F

Score
10/10

Malware Config

Extracted

Family

vjw0rm

C2

http://185.222.57.147:1989

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Inquiry - P.O# 01048.js"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\JyYkfwNuDh.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      PID:2220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    5KB

    MD5

    895bcda898dfd53568e6ece9575c6cae

    SHA1

    4d2b8293cc6e7b73d2c6ec215a97b7cf97b8389e

    SHA256

    374ef5ace54b2820db0b0e4d059425f29dff35df65e976a6d7b7a83c52d30fa5

    SHA512

    ee10d14aa34cfbeb5124d3bc18b597ee2d2bcec799d96b9775d14ac2645b1a468377c6c8f1ff0c793fdb21132982e9b853643ac1f3293d6c0218985347ae98dd