Overview

overview

8

Static

static

1

background.js

windows10-2004-x64

3

background.js

windows11-ltsc_2024-x64

3

content.js

windows10-2004-x64

3

content.js

windows11-ltsc_2024-x64

3

crypto-js.min.js

windows10-2004-x64

3

crypto-js.min.js

windows11-ltsc_2024-x64

3

earlyBlocker.js

windows10-2004-x64

3

earlyBlocker.js

windows11-ltsc_2024-x64

8

fullscreen.html

windows10-2004-x64

3

fullscreen.html

windows11-ltsc_2024-x64

4

fullscreen.js

windows10-2004-x64

3

fullscreen.js

windows11-ltsc_2024-x64

3

generate-rsig.js

windows10-2004-x64

3

generate-rsig.js

windows11-ltsc_2024-x64

3

inject.js

windows10-2004-x64

3

inject.js

windows11-ltsc_2024-x64

3

migros-cou...ect.js

windows10-2004-x64

3

migros-cou...ect.js

windows11-ltsc_2024-x64

3

popup.js

windows10-2004-x64

3

popup.js

windows11-ltsc_2024-x64

3

src/core/endpoints.js

windows10-2004-x64

3

src/core/endpoints.js

windows11-ltsc_2024-x64

3

src/core/helpers.js

windows10-2004-x64

3

src/core/helpers.js

windows11-ltsc_2024-x64

3

src/platfo...ros.js

windows10-2004-x64

3

src/platfo...ros.js

windows11-ltsc_2024-x64

3

src/platfo...mek.js

windows10-2004-x64

3

src/platfo...mek.js

windows11-ltsc_2024-x64

3

src/platfo...eti.js

windows10-2004-x64

3

src/platfo...eti.js

windows11-ltsc_2024-x64

3

src/yemeks...ter.js

windows10-2004-x64

3

src/yemeks...ter.js

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    128s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 15:17

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Report Analysis Logs

General

  • Target
    earlyBlocker.js
  • Size 40KB
  • Sample260628-spdkcsh19m
  • SHA256 1b7b692a7289881f48c72476598d99aa760c7c0277c7cf00b73cef285587d69f
  • 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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 42 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\earlyBlocker.js
    1⤵
      PID:708
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1808
      • 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:3852
    • 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:2868
    • 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:1128
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4844

      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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/2868-35-0x0000027783E10000-0x0000027783E30000-memory.dmp
            Download

            memory/2868-66-0x00000277941D0000-0x00000277941F0000-memory.dmp
            Download

            memory/2868-29-0x0000027793E90000-0x0000027793F90000-memory.dmp
            Download

            memory/2868-22-0x00000277801E0000-0x00000277802E0000-memory.dmp
            Download

            memory/2868-21-0x00000277801E0000-0x00000277802E0000-memory.dmp
            Download

            memory/2868-28-0x0000027783A30000-0x0000027783A50000-memory.dmp
            Download

            memory/2868-20-0x00000277801E0000-0x00000277802E0000-memory.dmp
            Download