Overview

overview

6

Static

static

1

2026-08-19...op.exe

windows10-2004-x64

6

2026-08-19...op.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 03:57

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General

  • Target
    2026-08-19_eb2d936bc43e09b2b18dc5cf3dc42578_elex_stop.exe
  • Size 11.9MB
  • Sample260819-ejfwmsdk6w
  • SHA256 941c7e8c8b04753bc20ba3663caccc986711a0332e6c3bb5a4c76cb0dc30bee6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
bootkitdiscoverypersistence

Malware Config

Signatures

  • 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
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-19_eb2d936bc43e09b2b18dc5cf3dc42578_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_eb2d936bc43e09b2b18dc5cf3dc42578_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:2996

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 16d5f86a8fe504af5e645839cd2d661e9979fa0a8aa816f93e33a1a393b6c617
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidInfo.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 943f82c36d4d268c4b161d6827eb3826dad6d052108e639a21eea332497f39c7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidList.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 9fab7e474fbd5ff8931beb210c0cd88850cc80db00672f7ba06b87d8a5d40ac6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidReport.dat
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 32a7aa14106b1c0ee224f1fa12e1c1c4adb881219040882adb2ffc3fe3d6437b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        QQPCDownload.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e591bcb\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 0fc96f95541418ede42d0bced00aba5180563f061e4dfd0b07449ed29456ee8a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        beacon_sdk.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e591bcb\beacon_sdk.dll
        • Size 1.9MB
        • SHA256 5c0cd4b51d21187ae5ef8a483e9128d0f210779ee996b38715907eedd1e7d308
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        26218.png
        • Path C:\Users\Admin\AppData\Local\Temp\TxdlSoftIcon\26218.png
        • Size 27KB
        • SHA256 bc29028d156a2437765f445cf15573e154315e4f3ea8e5f78f3f14b9589c744e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download