Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 15:08

General

  • Target
    2026-10-01_4c9e0d59fee7d1cb8acf8307604a2a52_elex_stop.exe
  • Size 11.9MB
  • Sample261002-sh9dfsty6k
  • SHA256 71b6192e3378b4ef531277b93dfdc58015c769b8d9d2a3bab79be4411cdd05a0
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Loads dropped DLL 2 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 16 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_4c9e0d59fee7d1cb8acf8307604a2a52_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_4c9e0d59fee7d1cb8acf8307604a2a52_elex_stop.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Loads dropped DLL
    • Direct Volume Access: Opens a physical disk for reading
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        GlobalMgr.db

        • Path C:\ProgramData\Tencent\DeskUpdate\GlobalMgr.db
        • Size 190B
        • SHA256 24e295fc672b7396ad08b9f7b9303fa418d274dd25d12024cb93ad93bdfb2715
        • MD5 SHA1 SHA512 TLSH

        Guid.db

        • Path C:\ProgramData\Tencent\DeskUpdate\Guid.db
        • Size 1KB
        • SHA256 42e474e5f896a2c48a14bd331dd73e01400031b73119a4e5de0ea66cc6e5cdb3
        • MD5 SHA1 SHA512 TLSH

        GuidInfo.db

        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 e2e80f2a65d2efdfdd551b857938c45ccc561b37a767254b085d3887816d696c
        • MD5 SHA1 SHA512 TLSH

        GuidList.db

        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 0295e165b3177f74c4d29dfaf644814787b9f0d3f5411ea1237d84587e7848f5
        • MD5 SHA1 SHA512 TLSH

        GuidReport.dat

        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 568ef25a3ab7344a342b69cf728abc06c8df1c65b0625f200299e17ce7c72e99
        • MD5 SHA1 SHA512 TLSH

        QQPCDownload.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e589b60\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 eb03e0cdf7c639544759479b47b4ef5f88ca23523d537da9efae8824d514a486
        • MD5 SHA1 SHA512 SSDEEP TLSH

        beacon_sdk.dll

        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e589b60\beacon_sdk.dll
        • Size 1.9MB
        • SHA256 b3aaf6a53580029856b691519bbc05ac923bb28be6284fd7fa4fdcb03018db85
        • MD5 SHA1 SHA512 SSDEEP TLSH