Overview

overview

8

Static

static

1

BrowsingTopicsState

windows10-2004-x64

3

BrowsingTopicsState

windows10-ltsc_2021-x64

3

BrowsingTopicsState

windows11-21h2-x64

3

BrowsingTopicsState

windows11-ltsc_2024-x64

8

BrowsingTopicsState

android-14-x64

BrowsingTopicsState

android-15-x64

BrowsingTopicsState

macos-10.15-amd64

4

BrowsingTopicsState

debian-12-armhf

BrowsingTopicsState

debian-12-mipsel

BrowsingTopicsState

ubuntu-18.04-amd64

BrowsingTopicsState

ubuntu-20.04-amd64

BrowsingTopicsState

ubuntu-22.04-amd64

BrowsingTopicsState

ubuntu-24.04-amd64

Analysis

  • max time kernel
    899s
  • max time network
    551s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/10/2026, 16:27

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General

  • Target
    BrowsingTopicsState
  • Size 649B
  • Sample261001-tyflragc73
  • SHA256 15b2d633d4b9c7342eb59fda7afcc3988476344f055f151afa3f738c188da0e0
  • 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 4 IoCs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    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 44 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\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\BrowsingTopicsState
    1⤵
    • Executes a command shell one-liner
    PID:3452
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4172
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2356
      • 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:1868
    • 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:4740
    • 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:1256
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5432

      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

            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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1868-184-0x000000000DB70000-0x000000000E3EB000-memory.dmp
            Download

            memory/1868-214-0x000000000DB70000-0x000000000E3EB000-memory.dmp
            Download

            memory/4740-36-0x00000245C9470000-0x00000245C9490000-memory.dmp
            Download

            memory/4740-38-0x00000245D9A20000-0x00000245D9B20000-memory.dmp
            Download

            memory/4740-66-0x00000245D9E30000-0x00000245D9E50000-memory.dmp
            Download

            memory/4740-52-0x00000245C96D0000-0x00000245C96F0000-memory.dmp
            Download

            memory/4740-21-0x0000023DC4CE0000-0x0000023DC4DE0000-memory.dmp
            Download