Overview

overview

6

Static

static

1

2026-07-31...op.exe

windows10-2004-x64

6

2026-07-31...op.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 18:09

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General

  • Target
    2026-07-31_618eea5c5fb06f7d5c512e69c27901de_elex_stop.exe
  • Size 11.9MB
  • Sample260731-wrvhfaee69
  • SHA256 148716d092d8f703271f8197f921e9b97375937375dc8286613673832a24f994
  • 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\2026-07-31_618eea5c5fb06f7d5c512e69c27901de_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_618eea5c5fb06f7d5c512e69c27901de_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:5260

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 d5388ae9f75609f8962027ada60d0fd1953c64086c8cf87c054bee3d00b54979
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidInfo.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidInfo.db
        • Size 320B
        • SHA256 160bc3cb32f2a396e7edb6cba4428520c3005b89f7602ba8af89f6734d4f1e4c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidList.db
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidList.db
        • Size 221B
        • SHA256 01d414159106c464c82c63941c44e00de3c348bbd02560cfe99e4c09259f0e41
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        GuidReport.dat
        • Path C:\ProgramData\Tencent\DeskUpdate\GuidReport.dat
        • Size 818B
        • SHA256 ff469fed918827879ee0932eb9f4681e7808d1dee697d3ae94e570d80084dc6d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        QQPCDownload.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e599e4a\QQPCDownload.dll
        • Size 12.5MB
        • SHA256 7ae23c18602ffdf64e6fb289593d8a3d2494a57fba4df9c5f5f108ce45709100
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        beacon_sdk.dll
        • Path C:\Users\Admin\AppData\Local\Temp\TencentDownload\~e599e4a\beacon_sdk.dll
        • Size 1.9MB
        • SHA256 5e18d69783e8b29c98f9b4f4bc2c2ae82e6bfd72641b83e8d3ca8ebf5aa2696d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download