Overview

overview

6

Static

static

1

2026-07-01...op.exe

windows10-2004-x64

6

2026-07-01...op.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    133s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 10:19

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General

  • Target
    2026-07-01_2989070539ea69be0cff5df68312a25b_elex_stop.exe
  • Size 11.2MB
  • Sample260701-mcskvsdx7w
  • SHA256 0047c6e68f477dae5be8939b835e04e4b441b0cc24e4ee21d30824e93be2e848
  • 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 34 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\2026-07-01_2989070539ea69be0cff5df68312a25b_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-01_2989070539ea69be0cff5df68312a25b_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:4704
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:124
    • 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:1792
  • 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:1556
  • 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:2440

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 476b9d72a8f0ea52c6e86ddd15fd4a4c85f97d01594cbd504e8b4b5e4578527d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidInfo.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 09f8f1647b4dac6c054bd6b23ef9a4bd53474ee034b3cf9e5191021467a32c06
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidList.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 df5aabb52acc7ea91f7c4f69c6e9e8592997e0c480400b4c982e799796c0ff7d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidReport.dat
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 e1de9a2887201db4185afb1aca7f0d5e23273d70d2e1e375e3a2104b58248b25
        • 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

        QQPCDownload.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e589815\QQPCDownload.dll
        • Size 11.8MB
        • SHA256 8fb2280fe635a1d75f69ea14acbe25d24453a1b1c9800966ef8df99c4f96e844
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        beacon_sdk.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e589815\beacon_sdk.dll
        • Size 1.3MB
        • SHA256 63f166aaac9ec9ca7abfd4a1b0c9b0c7fd636a23e4f64ae184032df00b4f9228
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1556-107-0x0000015D02C90000-0x0000015D02CB0000-memory.dmp
        Download

        memory/1556-101-0x0000015D02A30000-0x0000015D02A50000-memory.dmp
        Download

        memory/1556-95-0x0000015D001E0000-0x0000015D002E0000-memory.dmp
        Download

        memory/1556-116-0x0000015D141D0000-0x0000015D141F0000-memory.dmp
        Download

        memory/1556-102-0x0000015D02EE0000-0x0000015D02FE0000-memory.dmp
        Download