Analysis

  • max time kernel
    132s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/11/2026, 22:29

General

  • Target
    2026-11-03_4303515f610ea48ca7441f2569881dd0_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 948KB
  • Sample261104-2d9yvsvxhy
  • SHA256 8a13e214d73b9639a8ad95c28e30c55fe6dbc04ae63f6afc96f2a45c3ce29b34
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 37 IoCs
  • Drops file in Windows directory 64 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 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.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-03_4303515f610ea48ca7441f2569881dd0_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-03_4303515f610ea48ca7441f2569881dd0_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4996
  • C:\Users\Admin\AppData\Local\Temp\2026-11-03_4303515f610ea48ca7441f2569881dd0_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-03_4303515f610ea48ca7441f2569881dd0_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1824

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdapterDynamic.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\AdapterDynamic.exe
        • Size 1.0MB
        • SHA256 c188f1306173ae0cdae32dcaee377d6107d568e6ec1ef441c8121974af86fd78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroTextExtractorLogSession.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractorLogSession.exe
        • Size 951KB
        • SHA256 1c06071cf7b1ce5179860a2d936df10907fddb8e895a0ff7797d8ae019b351f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ietoedgestubexeietoedgebho64dll.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\BHO\ietoedgestubexeietoedgebho64dll.exe
        • Size 950KB
        • SHA256 844920d0b378dc628b0fb518157e6a1296ec0960ff2c4580f6e43cdfb123f628
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Windowssetupwm12.0.19041.1.160101.0800.exe

        • Path C:\Program Files (x86)\Windows Media Player\en-US\Windowssetupwm12.0.19041.1.160101.0800.exe
        • Size 950KB
        • SHA256 c8659d77dfc4fc147306c3a9bbc67d63f9970893b6db7a6307f2dd21b1d861ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Windowssetupwm12.0.19041.1.160101.0800.exe

        • Path C:\Program Files (x86)\Windows Media Player\en-US\Windowssetupwm12.0.19041.1.160101.0800.exe
        • Size 948KB
        • SHA256 8a13e214d73b9639a8ad95c28e30c55fe6dbc04ae63f6afc96f2a45c3ce29b34
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FrameworkManagement.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\es\FrameworkManagement.exe
        • Size 1.0MB
        • SHA256 7f059db90145c2f47fbecfd9946da26daaade53826f698c0745e46abbcd8b5f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesConfiguration.exe

        • Path C:\Windows\Microsoft.NET\Framework\v2.0.50727\JA\resourcesConfiguration.exe
        • Size 1.0MB
        • SHA256 57ca8181e517b9f99dbd3065863cdbb3a1677c5c4fb99bc5142ac7af0d2d98a2
        • MD5 SHA1 SHA512 SSDEEP TLSH