Overview

overview

8

Static

static

1

extension/...ain.js

windows10-2004-x64

3

extension/...ain.js

windows11-ltsc_2024-x64

8

extension/...ort.sh

ubuntu-18.04-amd64

6

extension/...ort.sh

debian-9-armhf

6

extension/...ort.sh

debian-9-mips

6

extension/...ort.sh

debian-9-mipsel

6

extension/...ss.bat

windows10-2004-x64

1

extension/...ss.bat

windows11-ltsc_2024-x64

8

extension/...ass.sh

ubuntu-18.04-amd64

3

extension/...ass.sh

debian-9-armhf

3

extension/...ass.sh

debian-9-mips

3

extension/...ass.sh

debian-9-mipsel

3

extension/...ver.js

windows10-2004-x64

3

extension/...ver.js

windows11-ltsc_2024-x64

3

extension/...ent.js

windows10-2004-x64

3

extension/...ent.js

windows11-ltsc_2024-x64

3

extension/...ess.sh

ubuntu-18.04-amd64

3

extension/...ess.sh

debian-9-armhf

3

extension/...ess.sh

debian-9-mips

3

extension/...ess.sh

debian-9-mipsel

3

extension/...h.html

windows10-2004-x64

3

extension/...h.html

windows11-ltsc_2024-x64

4

extension/...aph.js

windows10-2004-x64

3

extension/...aph.js

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    128s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 12:20

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General

  • Target
    extension/dist/main.js
  • Size 1.1MB
  • Sample260629-ph3dcsez4j
  • SHA256 9cbcf65a5b381a8d8d61d5a4c4c2982bdf8a4e051abe7fc4badcf4a843fcffa7
  • 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 40 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 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

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\extension\dist\main.js
    1⤵
      PID:4204
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1304
      • 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:5528
    • 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:3524
    • 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:5692
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4220

      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/3524-21-0x00000179D27E0000-0x00000179D28E0000-memory.dmp
            Download

            memory/3524-42-0x00000181E6860000-0x00000181E6880000-memory.dmp
            Download

            memory/3524-29-0x00000181E6510000-0x00000181E6610000-memory.dmp
            Download

            memory/3524-28-0x00000181D60E0000-0x00000181D6100000-memory.dmp
            Download

            memory/3524-30-0x00000181D6430000-0x00000181D6450000-memory.dmp
            Download

            memory/5528-168-0x000000000E390000-0x000000000EC0B000-memory.dmp
            Download