Analysis

  • max time kernel
    145s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 15:21

General

  • Target
    tmp8q3m2z61.js
  • Size 18.5MB
  • Sample260602-src2lshz9r
  • SHA256 9cc70acc1f2fc75738e04861899fb698159a315cfd6d66c316babb5518a193bb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: GootLoader

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

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 2 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\tmp8q3m2z61.js
    1⤵
      PID:3768
    • C:\Windows\system32\wscript.exe
      wscript
      1⤵
        PID:3124
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE FORENS~1.JS
        1⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:5192
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "FORENS~1.JS"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2260
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell
            3⤵
            • Badlisted process makes network request
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2416

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_2v4ivmay.ot0.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2v4ivmay.ot0.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            FORENS~1.JS

            • Path C:\Users\Admin\AppData\Roaming\Sun\FORENS~1.JS
            • Size 47.2MB
            • SHA256 fbbb6f3e818a28361387286ad37eae3c79cd0fea789a2c6eb3ea58a3f6701307
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2416-3-0x00000270DEA60000-0x00000270DEA82000-memory.dmp

            memory/2416-11-0x00000270DEF50000-0x00000270DEF94000-memory.dmp

            memory/2416-12-0x00000270DF020000-0x00000270DF096000-memory.dmp

            memory/2416-13-0x00000270DF260000-0x00000270DF28A000-memory.dmp

            memory/2416-14-0x00000270DF260000-0x00000270DF284000-memory.dmp