Overview

overview

6

Static

static

1

2026-09-01...op.exe

windows10-2004-x64

6

2026-09-01...op.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 15:18

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General

  • Target
    2026-09-01_1e79dd93bb69af67a633247fc8d3a270_elex_stop.exe
  • Size 11.9MB
  • Sample260903-spr3rawwe1
  • SHA256 6629671aa4cd6120c1b67936000f18ad64e159d7a2b8d384b301deb17b89e6d8
  • 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\2026-09-01_1e79dd93bb69af67a633247fc8d3a270_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_1e79dd93bb69af67a633247fc8d3a270_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:2428

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 66bbecdf5cd6172478ff23084e2b543cdb788484677488d3e96a2ff2b4c9f60f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidInfo.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 15d311570659d699e14c4bc9ac81cda1f15174cbbe210702d330edc792a61a73
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidList.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 3951861893cfad454759cdd955de08a97c7eff8b7d63381ade5625640eb76e83
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidReport.dat
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 62432d9df4bc366ec5cef77c701edae45aa6d895300d9f2b465314793d605dd1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        QQPCDownload.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e592169\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 eb03e0cdf7c639544759479b47b4ef5f88ca23523d537da9efae8824d514a486
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        beacon_sdk.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e592169\beacon_sdk.dll
        • Size 1.9MB
        • SHA256 b3aaf6a53580029856b691519bbc05ac923bb28be6284fd7fa4fdcb03018db85
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download