Analysis

  • max time kernel
    136s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 03:13

General

  • Target
    2026-09-24_a6efcd752ab42ee8317677e5df2bdd8e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260924-dq5b5sysdy
  • SHA256 4403e6acc7c76b65af1c4a10f0f2d4ddc5a0513dd1669ba69b74ef43ff8072f4
  • 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 3 IoCs
  • Drops file in Program Files directory 37 IoCs
  • Drops file in Windows directory 64 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.

  • 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\2026-09-24_a6efcd752ab42ee8317677e5df2bdd8e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-24_a6efcd752ab42ee8317677e5df2bdd8e_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4636
  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_a6efcd752ab42ee8317677e5df2bdd8e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-24_a6efcd752ab42ee8317677e5df2bdd8e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        NPPDF32Adobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\NPPDF32Adobe.exe
        • Size 1.1MB
        • SHA256 f142d8757c6ea55d61bf4ea83d2b4512bbdcc8ec2b4b984b55c346d1df408147
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Frameworkd3dcompiler47.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\Frameworkd3dcompiler47.exe
        • Size 1.0MB
        • SHA256 c7f53111e31a3cbcd754156296439bf463b5984450e8a4e21e40406fc9788a23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        d3dcompiler47chromeelf.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler47chromeelf.exe
        • Size 1.0MB
        • SHA256 1116f02867db95d47b7e931d2e60c88907425991405e49470f05dc0268710716
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcroTextExtractorAdobeScCore19.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractorAdobeScCore19.10.20064.310990.exe
        • Size 1.1MB
        • SHA256 e86bbc6cef6da2021ed41c49cb21c296d638b224ed37cf6b5f18dae314e685ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WCChromeNativeMessagingHostCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHostCreate.exe
        • Size 1.1MB
        • SHA256 f8c70693e3cfba30e0ee2597b4beec903b19db38b4c1b678b212266a55bda7f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ccmebaseAXE8SharedExpat19.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ccmebaseAXE8SharedExpat19.10.20064.310990.exe
        • Size 1.1MB
        • SHA256 a3269f575972e72993832178f1ef90cf2fc43d591a18d3df7ccd75e2be517baf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RegistrationAuto.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\RegistrationAuto.exe
        • Size 1.1MB
        • SHA256 e81909a9f9ab1c69230f52da669bfc31ad6cee49968f8072c4d87031a87456b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msdasqlrWindows.exe

        • Path C:\Program Files (x86)\Common Files\System\Ole DB\it-IT\msdasqlrWindows.exe
        • Size 1.1MB
        • SHA256 71b7dcfe5fb33bb404c0a3abf8e6d2bf57e37ad165b20cdc8544c083e48e2fa0
        • MD5 SHA1 SHA512 SSDEEP TLSH