Overview

overview

8

Static

static

3

Potassium.exe

windows10-2004-x64

8

Potassium.exe

windows11-ltsc_2024-x64

4

WebView2Loader.dll

windows10-2004-x64

1

autoexec.lnk

windows10-2004-x64

3

autoexec.lnk

windows11-ltsc_2024-x64

8

bin/monaco/index.html

windows10-2004-x64

3

bin/monaco/index.html

windows11-ltsc_2024-x64

4

bin/monaco...ain.js

windows10-2004-x64

3

bin/monaco...ain.js

windows11-ltsc_2024-x64

8

bin/monaco...tes.js

windows10-2004-x64

3

bin/monaco...tes.js

windows11-ltsc_2024-x64

8

bin/monaco...ase.js

windows10-2004-x64

3

bin/monaco...ase.js

windows11-ltsc_2024-x64

8

bin/monaco...ses.js

windows10-2004-x64

3

bin/monaco...ses.js

windows11-ltsc_2024-x64

8

bin/monaco...del.js

windows10-2004-x64

3

bin/monaco...del.js

windows11-ltsc_2024-x64

3

bin/monaco...num.js

windows10-2004-x64

3

bin/monaco...num.js

windows11-ltsc_2024-x64

8

bin/monaco...tem.js

windows10-2004-x64

3

bin/monaco...tem.js

windows11-ltsc_2024-x64

3

bin/monaco...ums.js

windows10-2004-x64

3

bin/monaco...ums.js

windows11-ltsc_2024-x64

8

bin/monaco...nce.js

windows10-2004-x64

3

bin/monaco...nce.js

windows11-ltsc_2024-x64

3

bin/monaco...del.js

windows10-2004-x64

3

bin/monaco...del.js

windows11-ltsc_2024-x64

3

bin/monaco...nal.js

windows10-2004-x64

3

bin/monaco...nal.js

windows11-ltsc_2024-x64

3

bin/monaco...der.js

windows10-2004-x64

3

bin/monaco...der.js

windows11-ltsc_2024-x64

3

bin/monaco...ace.js

windows10-2004-x64

3

Analysis

  • max time kernel
    149s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 22:31

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General

  • Target
    bin/monaco/vs/basic-languages/lua/autocompletes.js
  • Size 2KB
  • Sample260708-2fkrrah14p
  • SHA256 9636806a05da6a43937d122e2211e8d2877ed95caaf691f4f079dbaf47e0c6bb
  • MD5 SHA1 SHA512 TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\bin\monaco\vs\basic-languages\lua\autocompletes.js
    1⤵
      PID:5552
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:3060
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1508
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1404
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4568

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1404-189-0x000001D480060000-0x000001D48031C000-memory.dmp
            Download

            memory/1404-207-0x000001D480060000-0x000001D48031C000-memory.dmp
            Download

            memory/1508-42-0x0000016F83A00000-0x0000016F83A20000-memory.dmp
            Download

            memory/1508-29-0x0000016F837A0000-0x0000016F837C0000-memory.dmp
            Download

            memory/1508-14-0x0000016FE1CF0000-0x0000016FE1DF0000-memory.dmp
            Download

            memory/1508-64-0x0000016F94410000-0x0000016F94430000-memory.dmp
            Download

            memory/1508-31-0x0000016F83BE0000-0x0000016F83CE0000-memory.dmp
            Download

            memory/1508-16-0x0000016FE1CF0000-0x0000016FE1DF0000-memory.dmp
            Download

            memory/1508-15-0x0000016FE1CF0000-0x0000016FE1DF0000-memory.dmp
            Download

            memory/1508-188-0x0000016F806D0000-0x0000016F808B3000-memory.dmp
            Download