Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 11:55

General

  • Target

    a567d197694008e0468ca194358a3e6d_JaffaCakes118.js

  • Size

    14KB

  • MD5

    a567d197694008e0468ca194358a3e6d

  • SHA1

    1a7424b5ce7d627d06fadad0db148a9a40bc6ad6

  • SHA256

    1621845a60f32b7c88226cd195145b6cc84bdd731fc0a1442838cfc673f12345

  • SHA512

    e1613566bed13c4d87d8a1a3356c13da373b0974fc5ebeafeb9aa4c317d67b357c4777bb800ff96f0f8c5ba1618fa9b63b5608a0b64b631b90543a104d2a644b

  • SSDEEP

    384:d6Agbyv6ePhZOHICoabOn8ukOxGfPK9tF:jgbqcHldSn8ukOxGfPK9tF

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

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

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

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\a567d197694008e0468ca194358a3e6d_JaffaCakes118.js
    1⤵
    • Drops startup file
    • Adds Run key to start application
    PID:4888
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4728

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    JavaScript

    1
    T1059.007

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads