Analysis

  • max time kernel
    132s
  • 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
    24/09/2026, 09:37

General

  • Target
    2026-09-23_481fed26f444693562674a4dd00de800_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.2MB
  • Sample260924-lln4csaf32
  • SHA256 062590434f15c3eea90d3828179abaf91eb2fb898f8e1209d068b62dcd0627d9
  • 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 6 IoCs
  • Drops file in Program Files directory 23 IoCs
  • Drops file in Windows directory 53 IoCs
  • 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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-23_481fed26f444693562674a4dd00de800_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-23_481fed26f444693562674a4dd00de800_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:2616
  • C:\Users\Admin\AppData\Local\Temp\2026-09-23_481fed26f444693562674a4dd00de800_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-23_481fed26f444693562674a4dd00de800_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeExtendScriptccmeasym.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeExtendScriptccmeasym.exe
        • Size 2.2MB
        • SHA256 2f7ab38eb25f8f6149f5c0b31f730f493b0aa8d731c8aa2d2107b7cbf9c1f7e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AcrobatAdobe.exe
        • Size 2.2MB
        • SHA256 f9a3c44bddb2c8f3518dee3e8947a2ed0d4112dcc43a8338f1017fa3ebc56190
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LogTransport2Onix3219.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2Onix3219.10.20064.310990.exe
        • Size 2.8MB
        • SHA256 1504d3e376a33a7d361e049ebd983d41816f4950b981adfe819f755df42ca880
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Visualvstoee10.0.60828.0.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\Visualvstoee10.0.60828.0.exe
        • Size 2.2MB
        • SHA256 a26b9f4756abe09198e44342a96ec17314205adb4dc739ac402cca19494a6611
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InternetHMMAPI.exe

        • Path C:\Program Files (x86)\Internet Explorer\en-US\InternetHMMAPI.exe
        • Size 2.2MB
        • SHA256 6c0381d64d43de05d4a2393a96adace8db247a583fed6834bd42405e1e4e3f10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PowerShellConsoleHost.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.PowerShell.ConsoleHost\v4.0_3.0.0.0__31bf3856ad364e35\PowerShellConsoleHost.exe
        • Size 2.2MB
        • SHA256 df22b428b3ca735382a38827c5866ba973cff3d179fdb3f5db0b143ce332d962
        • MD5 SHA1 SHA512 SSDEEP TLSH