Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/05/2026, 03:39

General

  • Target
    tmpsqvnisbv.js
  • Size 3.6MB
  • Sample260523-d7xcvscs8j
  • SHA256 10816ad1a45ae7361ca15adab54adb789d5606a83acc21c7522cf0790be12d3d
  • 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 2 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 6 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\tmpsqvnisbv.js
    1⤵
      PID:3180
    • C:\Windows\system32\wscript.exe
      wscript
      1⤵
        PID:3092
      • C:\Windows\system32\wscript.EXE
        C:\Windows\system32\wscript.EXE ETHICA~1.JS
        1⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4432
        • C:\Windows\System32\cscript.exe
          "C:\Windows\System32\cscript.exe" "ETHICA~1.JS"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3772
          • 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:1684

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_qiaj04uz.crp.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qiaj04uz.crp.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            ETHICA~1.JS

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\ETHICA~1.JS
            • Size 45.7MB
            • SHA256 b84d2306f429402d094597f4ecb5a8399edae802a2db3aa4a934f4bb4af67120
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1684-3-0x000002F0D6A80000-0x000002F0D6AA2000-memory.dmp

            memory/1684-11-0x000002F0D6F90000-0x000002F0D6FD4000-memory.dmp

            memory/1684-12-0x000002F0D7060000-0x000002F0D70D6000-memory.dmp

            memory/1684-13-0x000002F0D7500000-0x000002F0D752A000-memory.dmp

            memory/1684-14-0x000002F0D7500000-0x000002F0D7524000-memory.dmp