Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 11:41

General

  • Target
    9d07b1826fe57dad25e5cac719f657668218a917470253cf08aaa3088734317c.js
  • Size 4.0MB
  • Sample240912-ntt1patdrb
  • SHA256 9d07b1826fe57dad25e5cac719f657668218a917470253cf08aaa3088734317c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • GootLoader

    JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.

  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 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\9d07b1826fe57dad25e5cac719f657668218a917470253cf08aaa3088734317c.js
    1⤵
      PID:4900
    • 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 --field-trial-handle=4460,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
      1⤵
        PID:3424
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE ENGINE~1.JS
        1⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "ENGINE~1.JS"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2960
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            3⤵
            • Blocklisted process makes network request
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4200

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_y5ri50ky.0pv.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y5ri50ky.0pv.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            ENGINE~1.JS

            • Path C:\Users\Admin\AppData\Roaming\Sun\ENGINE~1.JS
            • Size 40.1MB
            • SHA256 27fc3dfb4dee20aafebc5160d29b16743a2c8fb9263f10b4a058f0d87157f82e
            • MD5 SHA1 SHA512 SSDEEP

            memory/4200-12-0x0000020431990000-0x00000204319B2000-memory.dmp

            memory/4200-13-0x0000020432650000-0x0000020432694000-memory.dmp

            memory/4200-14-0x0000020432940000-0x00000204329B6000-memory.dmp

            memory/4200-15-0x0000020432B70000-0x0000020432B9A000-memory.dmp

            memory/4200-16-0x0000020432B70000-0x0000020432B94000-memory.dmp