Analysis

  • max time kernel
    147s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/06/2026, 11:48

General

  • Target
    2026-06-29_26b7437e33df88f613520409d0820cc7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260630-nylj4sd131
  • SHA256 8941a16af905a8e1f3f5a0f157fcb233ce461d89f2eb77ceef9783fdd9a4fec0
  • 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 2 IoCs
  • Drops file in Program Files directory 40 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\2026-06-29_26b7437e33df88f613520409d0820cc7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_26b7437e33df88f613520409d0820cc7_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:5400
  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_26b7437e33df88f613520409d0820cc7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-29_26b7437e33df88f613520409d0820cc7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:6076

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d3dcompiler47Widevine.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler47Widevine.exe
        • Size 9.0MB
        • SHA256 6b65246dc5811bbc3c608a335dd7f25ccfa9738f9049c6bd917aac3844c400c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AcrobatAdobe.exe
        • Size 1.7MB
        • SHA256 4bccb14a3a248f4bc95549b3037ac52c93cc890bf89b7e4e40a102e009dd56a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WCChromeNativeMessagingHostCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHostCreate.exe
        • Size 1.7MB
        • SHA256 82a2948146d87cdff9358b4f5de65844c6953c80b69d2fd646ca84ec724b21d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DynamicAdobeCollabSync.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\DynamicAdobeCollabSync.exe
        • Size 2.2MB
        • SHA256 b93743d226088e1f990b312b0d2d7f34fb9e00262b27795a3e7d949e0950b460
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LibraryDynamic.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LibraryDynamic.exe
        • Size 1.6MB
        • SHA256 77625aff875c4b1bed4902eabaf3c1d57c0a1bd50849b067517069cf6dc62bac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAdobe19.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\AdobeAdobe19.10.20064.310990.exe
        • Size 1.7MB
        • SHA256 7b4653548cb6c66e32c76b4386072953073ea1400a62c9cc829777e338f3b0e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARMReader.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARMReader.exe
        • Size 1.6MB
        • SHA256 90af242337680ce8504fd14c06206b5c20cef3c72864d4f3b30cf2087098a246
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoftsetupexe.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\Microsoftsetupexe.exe
        • Size 2.1MB
        • SHA256 089d36bdb055500b634691ad84d7c697f685b06495722ee6172a5332501845f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsSpTip10.0.26100.1.160101.0800.exe

        • Path C:\Windows\IME\WindowsSpTip10.0.26100.1.160101.0800.exe
        • Size 1.7MB
        • SHA256 8941a16af905a8e1f3f5a0f157fcb233ce461d89f2eb77ceef9783fdd9a4fec0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsSpTip.exe

        • Path C:\Windows\IME\de-DE\WindowsSpTip.exe
        • Size 1.7MB
        • SHA256 dfd927ae1fa7766772b9fcb582839a3e09a207bc6923d801d21a3c0eb0c0a375
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FrameworkMicrosoft.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_32\MSBuild\v4.0_4.0.0.0__b03f5f7f11d50a3a\FrameworkMicrosoft.exe
        • Size 1.6MB
        • SHA256 b202bd7f924ade179cf1783f223ecaa5332e1328c484464e945b86caa6a22121
        • MD5 SHA1 SHA512 SSDEEP TLSH