Analysis

  • max time kernel
    137s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 11:13

General

  • Target
    2026-10-26_98ba0e7904c34a136e9bb009b5b769a2_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample261027-nbr4dattfy
  • SHA256 4befe5e95fd6693c69282fac4f6030149137b1d6c2f033ec9ce56889855f8726
  • 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 4 IoCs
  • Drops file in Program Files directory 45 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 2 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\2026-10-26_98ba0e7904c34a136e9bb009b5b769a2_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_98ba0e7904c34a136e9bb009b5b769a2_elex_glassworm_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:3720
  • C:\Users\Admin\AppData\Local\Temp\2026-10-26_98ba0e7904c34a136e9bb009b5b769a2_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-26_98ba0e7904c34a136e9bb009b5b769a2_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 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:4592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WebInstallerchromeelfdll.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\WebInstallerchromeelfdll.exe
        • Size 1.7MB
        • SHA256 6312a923d6889934b3ab3424291d8f6b8a1e1d8d8de0c0afd857d4b7619ded1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NPPDF32Adobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\NPPDF32Adobe.exe
        • Size 1.7MB
        • SHA256 739f6d4008f80da388a4eb5239c7e567150d458bed018cc6f9920fcf5ac55705
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Fileccmeecc.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Fileccmeecc.exe
        • Size 1.7MB
        • SHA256 e6fb9625b124b2c88b3ac1a99fab7c319519c73d3d432f71406cbca3d12d9037
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARMReader.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMReader.exe
        • Size 2.0MB
        • SHA256 3739ea057a99915c2c3bbfbfa3d47e2be77b6a2f2e116e337a3515ec461bd3c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ManagerReader.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ManagerReader.exe
        • Size 2.0MB
        • SHA256 b254c2187b12c1b9cfc9a492f7b779e61e7f3523841b26abe92f298fa29c3c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdaterRegistration.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\UpdaterRegistration.exe
        • Size 1.7MB
        • SHA256 c8cc199183883b7b3858ed16e63f177cd53ebf240a83a1ac15b6b438e54a62e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fromVisual.exe

        • Path C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\fromVisual.exe
        • Size 1.7MB
        • SHA256 ef96d895584e05723c115bcfa0567af5d0275afdee0daefffb20889e6fae6730
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Edgesetupexe.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\Edgesetupexe.exe
        • Size 1.9MB
        • SHA256 f794daf74e37052996c7748be5dd7a1ad5be0b7629a3df7ed978a6c873f23d81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateMicrosoft.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\UpdateMicrosoft.exe
        • Size 1.7MB
        • SHA256 9dd5b065047eb48c4b12b91d6644ed74489f4a438a3445c3b8f052fb675056dd
        • MD5 SHA1 SHA512 SSDEEP TLSH