Analysis

  • max time kernel
    133s
  • 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
    02/11/2026, 07:32

General

  • Target
    2026-11-01_d4d2f7fadd6c1d7c26ac1f8fc72c8569_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 714KB
  • Sample261102-jdcdgsed89
  • SHA256 41891345632c22f50ece3af1258be2f8a7d18d61fad354b8f21f5ee73a3ff552
  • 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 32 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_d4d2f7fadd6c1d7c26ac1f8fc72c8569_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_d4d2f7fadd6c1d7c26ac1f8fc72c8569_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:5876
  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_d4d2f7fadd6c1d7c26ac1f8fc72c8569_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-01_d4d2f7fadd6c1d7c26ac1f8fc72c8569_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:2808

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ReaderViewerPS.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ReaderViewerPS.exe
        • Size 1.3MB
        • SHA256 26bd1289cfdfc647484ffb981244dda2397109dc232cecce19f83f6f15f4bbca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ManagerReader.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ManagerReader.exe
        • Size 768KB
        • SHA256 74fad17447baa68d428a660ff4e4736b799af52691f5fd6fdccec7938bb1b12b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DAO360Microsoft.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DAO360Microsoft.exe
        • Size 715KB
        • SHA256 de935d29e386833b3e1b2e946f3a991748f2ac3dceb1d17f3b31dc7a778b0e99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msinfoSystem.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfoSystem.exe
        • Size 714KB
        • SHA256 41891345632c22f50ece3af1258be2f8a7d18d61fad354b8f21f5ee73a3ff552
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VisualVisual.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\1033\VisualVisual.exe
        • Size 715KB
        • SHA256 13eee25c2b46cd714d831b9bd17b4630014669e8689b86ca187bde7862f8b957
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javawU381.exe

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_110156\javawU381.exe
        • Size 715KB
        • SHA256 b98af6cc895cc282b4915e59da6c4928cdc42a2f0bf36c673b5327243fdf5932
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Updaterupdater141.0.7340.0.exe

        • Path C:\Program Files (x86)\Google\Update\Updaterupdater141.0.7340.0.exe
        • Size 1.2MB
        • SHA256 ce211814fb419c4bf15d46c998d8c7418d7ee92eee47e09cba3230355c29c21e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgeproxyIdentity.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedgeproxyIdentity.exe
        • Size 1.3MB
        • SHA256 19441c753d1fcdca6d09c4bf4421805103394a05dcc44075e79e57ea8a7895ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoftcordacwks.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\Microsoftcordacwks.exe
        • Size 724KB
        • SHA256 7fd6a50af7822073cca6e285596dd815ab293cc1a2093b3f82fbe5b2347e5189
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemSecurity.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\it\SystemSecurity.exe
        • Size 792KB
        • SHA256 10371b82cdd83de7e2d0e62cb7c0f2aac8fd9fc55954fe23cb0c9c3bc35ca06e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoftmscormmc.exe

        • Path C:\Windows\Microsoft.NET\Framework\v1.0.3705\Microsoftmscormmc.exe
        • Size 729KB
        • SHA256 d643940e9bc42f5c507233aa97e9bd81b6fbfc64ef0bc251b6bf62e30b95f982
        • MD5 SHA1 SHA512 SSDEEP TLSH