Overview

overview

8

Static

static

3

AutoSubs-w...64.exe

windows11-ltsc_2024-x64

4

$PLUGINSDI...dl.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...nu.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ls.dll

windows11-ltsc_2024-x64

3

autosubs.exe

windows11-ltsc_2024-x64

6

ffmpeg.exe

windows11-ltsc_2024-x64

1

resources/...pF2.js

windows11-ltsc_2024-x64

3

resources/...dex.js

windows11-ltsc_2024-x64

3

resources/...x.html

windows11-ltsc_2024-x64

4

resources/...re.bat

windows11-ltsc_2024-x64

8

resources/...on.bat

windows11-ltsc_2024-x64

1

resources/...ck.bat

windows11-ltsc_2024-x64

8

resources/...til.js

windows11-ltsc_2024-x64

8

resources/...ket.js

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    600s
  • max time network
    434s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 04:29

Sharing

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Report Analysis Logs

General

  • Target
    resources/modules/libavutil.js
  • Size 9KB
  • Sample260701-e4lmmagt2x
  • SHA256 d587cb637bab4fb4bed3ad1b84b0c3c1543efb359c5df8d2738a18e44b6e4946
  • MD5 SHA1 SHA512 SSDEEP 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 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 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\resources\modules\libavutil.js
    1⤵
      PID:2476
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2732
      • 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:5828
    • 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:4232
    • 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:2316
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2100

      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

            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 603B
            • SHA256 b162cad3e5056ed4fc0b7ea8dcb12c1ef3631852158a72df85c1ec280c90ce97
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/4232-3-0x0000019080000000-0x0000019080100000-memory.dmp
            Download

            memory/4232-18-0x0000019093F20000-0x0000019093F40000-memory.dmp
            Download

            memory/4232-11-0x0000019083A70000-0x0000019083A90000-memory.dmp
            Download

            memory/4232-8-0x0000019083690000-0x00000190836B0000-memory.dmp
            Download

            memory/4232-1-0x0000019080000000-0x0000019080100000-memory.dmp
            Download

            memory/4232-9-0x0000019093AF0000-0x0000019093BF0000-memory.dmp
            Download

            memory/4232-2-0x0000019080000000-0x0000019080100000-memory.dmp
            Download

            memory/5828-178-0x0000000008880000-0x00000000088C3000-memory.dmp
            Download

            memory/5828-208-0x0000000008880000-0x00000000088C3000-memory.dmp
            Download