Overview

overview

8

Static

static

1

background.js

windows10-2004-x64

3

background.js

windows11-ltsc_2024-x64

3

chrome.js

windows10-2004-x64

3

chrome.js

windows11-ltsc_2024-x64

8

libs/html2...min.js

windows10-2004-x64

3

libs/html2...min.js

windows11-ltsc_2024-x64

8

libs/jquery.js

windows10-2004-x64

3

libs/jquery.js

windows11-ltsc_2024-x64

3

option.html

windows10-2004-x64

3

option.html

windows11-ltsc_2024-x64

4

option.js

windows10-2004-x64

3

option.js

windows11-ltsc_2024-x64

3

background.js

windows10-2004-x64

3

background.js

windows11-ltsc_2024-x64

8

chrome.js

windows10-2004-x64

3

chrome.js

windows11-ltsc_2024-x64

8

libs/html2...min.js

windows10-2004-x64

3

libs/html2...min.js

windows11-ltsc_2024-x64

3

libs/jquery.js

windows10-2004-x64

3

libs/jquery.js

windows11-ltsc_2024-x64

8

option.html

windows10-2004-x64

3

option.html

windows11-ltsc_2024-x64

4

option.js

windows10-2004-x64

3

option.js

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 00:13

Sharing

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General

  • Target
    background.js
  • Size 2KB
  • Sample260706-ajabmsgw4v
  • SHA256 f5774ddaa3a8c514b37e659d35e5cbe8549657f40bd9353e6f9de5daf9f3e06b
  • 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 42 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\background.js
    1⤵
      PID:3348
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1724
      • 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:2448
    • 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:5800
    • 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:3768

    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 603B
          • SHA256 76051c7134ef5b2b172ae67cc7317ea11daedcc3d11f55c52922e505f501568b
          • 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 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/5800-2-0x0000020D801E0000-0x0000020D802E0000-memory.dmp
          Download

          memory/5800-3-0x0000020D801E0000-0x0000020D802E0000-memory.dmp
          Download

          memory/5800-47-0x0000020D942A0000-0x0000020D942C0000-memory.dmp
          Download

          memory/5800-15-0x0000020D93E70000-0x0000020D93F70000-memory.dmp
          Download

          memory/5800-25-0x0000020D83D70000-0x0000020D83D90000-memory.dmp
          Download

          memory/5800-14-0x0000020D83A30000-0x0000020D83A50000-memory.dmp
          Download

          memory/5800-1-0x0000020D801E0000-0x0000020D802E0000-memory.dmp
          Download