Analysis

  • max time kernel
    118s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 22:28

General

  • Target
    2026-07-07_e9a84fdcac14cb1f81d0a4fc8ca05f34_elex_stop.exe
  • Size 11.8MB
  • Sample260707-2dtxmse191
  • SHA256 ac960d1ad59fe5772f2c98b06deb41b6ba3e22ce9490a93078e4bc597d8d2aad
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Loads dropped DLL 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 4 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-07_e9a84fdcac14cb1f81d0a4fc8ca05f34_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_e9a84fdcac14cb1f81d0a4fc8ca05f34_elex_stop.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:420
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5056
    • 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:2160
  • 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:4764
  • 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:1504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Guid.db

        • Path C:\ProgramData\Tencent\DeskUpdate\Guid.db
        • Size 1KB
        • SHA256 151364e5cd3471e7d7ac04b6690b30863f3d7ed5931c39fa75bd34b352ab310e
        • MD5 SHA1 SHA512 TLSH

        GuidInfo.db

        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 11b78b1b88ac27b28cbf3dfab707b4458b6bcd94f18d2b52a7f4b95db1aa49bc
        • MD5 SHA1 SHA512 TLSH

        GuidList.db

        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 6d8aa1a24ce672af02126e6e644f8c2f1e0d4a89c2f3966d8f0776710621f94b
        • MD5 SHA1 SHA512 TLSH

        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

        QQPCDownload.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e58e5d7\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 a09c49da1c0fd9470bd30b91ae1eb54dd26e664eef114a7ca37585cd24c0b0a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        beacon_sdk.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e58e5d7\beacon_sdk.dll
        • Size 1.3MB
        • SHA256 7c0f0009662472a09f7df995846a33beb9bc187f6ea9879534c6acb1cd110edc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1504-278-0x000001D47CC00000-0x000001D47CEBC000-memory.dmp

        memory/1504-287-0x000001D47CC00000-0x000001D47CEBC000-memory.dmp

        memory/4764-100-0x0000016D801E0000-0x0000016D802E0000-memory.dmp

        memory/4764-134-0x0000016D81CD0000-0x0000016D81CF0000-memory.dmp

        memory/4764-126-0x0000016D81E70000-0x0000016D81F70000-memory.dmp

        memory/4764-165-0x0000016D95290000-0x0000016D952B0000-memory.dmp

        memory/4764-125-0x0000016D81CF0000-0x0000016D81D10000-memory.dmp