Overview

overview

6

Static

static

1

2026-07-07...op.exe

windows10-2004-x64

6

2026-07-07...op.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    119s
  • max time network
    121s
  • 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, 22:21

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General

  • Target
    2026-07-07_fa538ca9efdddd95692fc819069722e2_elex_stop.exe
  • Size 11.8MB
  • Sample260707-19pgcsfy5m
  • SHA256 8a6dbc64bc6abbd3d045203da0d6024d199f2679afc41d4b8e227a6091460b14
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarebootkitdiscoverypersistenceransomwarespyware

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.

  • 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.

    bootkitpersistence
  • 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.

    discovery
  • 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 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.

    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:\Users\Admin\AppData\Local\Temp\2026-07-07_fa538ca9efdddd95692fc819069722e2_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-07_fa538ca9efdddd95692fc819069722e2_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:4936
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2672
    • 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:1812
  • 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:3480
  • 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:4408

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Guid.db
        • Path C:\ProgramData\Tencent\DeskUpdate\Guid.db
        • Size 1KB
        • SHA256 cdeec4c2459541e6f331e29844e862b5ad0f31ac92f2b810192df33a33c281ac
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidInfo.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 9888b59709f2cf326bb1ba283b5a39b0764672fec20133450064e5f38a8b19b5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidList.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 177B
        • SHA256 29ad78d77c23be2ff0f3a85e2841ae79c13d80e7df42af8cde279a1c97023022
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidReport.dat
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 a6556dd6f85d53cbd55f4239bf0ec52a6e6243fc0378ca8f6e89671d1d00ac3e
        • 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

        QQPCDownload.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e58edc6\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 a09c49da1c0fd9470bd30b91ae1eb54dd26e664eef114a7ca37585cd24c0b0a6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        beacon_sdk.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e58edc6\beacon_sdk.dll
        • Size 1.3MB
        • SHA256 7c0f0009662472a09f7df995846a33beb9bc187f6ea9879534c6acb1cd110edc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3480-114-0x000001B0801E0000-0x000001B0802E0000-memory.dmp
        Download

        memory/3480-112-0x000001B0801E0000-0x000001B0802E0000-memory.dmp
        Download

        memory/3480-113-0x000001B0801E0000-0x000001B0802E0000-memory.dmp
        Download

        memory/3480-134-0x000001B094550000-0x000001B094570000-memory.dmp
        Download

        memory/3480-121-0x000001B082D60000-0x000001B082E60000-memory.dmp
        Download

        memory/3480-125-0x000001B082B60000-0x000001B082B80000-memory.dmp
        Download

        memory/3480-120-0x000001B082920000-0x000001B082940000-memory.dmp
        Download