Analysis

  • max time kernel
    135s
  • 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, 21:35

General

  • Target
    2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 712KB
  • Sample261027-1fafcagy8p
  • SHA256 6eeb96617ad35621ca026e835c96787e19bf4255c2ce9027bd2b400241c00746
  • 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 37 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_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:4884
  • C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_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:3832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AiodAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AiodAdobe.exe
        • Size 714KB
        • SHA256 5347cebe49c1f1c151ac743b3b60824c6d8cfcf81960eb0125a63967e20d3fb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UnicodeModule3.3397.1731.57072.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\UnicodeModule3.3397.1731.57072.exe
        • Size 8.1MB
        • SHA256 ba13901ccc6b451e3baf1a8714abc0d1ff055fbebdf5df2d810b5c9af8ae6834
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeNPPDF32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AdobeNPPDF32.exe
        • Size 714KB
        • SHA256 b49cf69ac3bb767e1ef1bbc4189fbc86a429e3b85875e705ff36bc33b2f4a8e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ComponentsAdobeLinguistic.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ComponentsAdobeLinguistic.exe
        • Size 731KB
        • SHA256 5bcc9316cbdc946e8bd2ce50b6f120f9ab4544d0866cb16ee92845da92590793
        • MD5 SHA1 SHA512 SSDEEP TLSH

        filesextractor.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\filesextractor.exe
        • Size 1.3MB
        • SHA256 0a480ed54fc804a221fd2be5f3c11c6b74947e632e246f7f799db0646040b07b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ReaderAdobe.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ReaderAdobe.exe
        • Size 767KB
        • SHA256 707cfe0a3c4636e2c5e75987e769e4335ea0bb74d6587d1e177fbc89711241e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingWindows.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\OperatingWindows.exe
        • Size 712KB
        • SHA256 6eeb96617ad35621ca026e835c96787e19bf4255c2ce9027bd2b400241c00746
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoftvstoee10.0.60828.0.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\Microsoftvstoee10.0.60828.0.exe
        • Size 718KB
        • SHA256 1414c13bfb0d599ff2819590a544f2967908538dba00f455130b7e9832d37fdb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javaPlatform.exe

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_107750\javaPlatform.exe
        • Size 714KB
        • SHA256 4e8cc59dc94561c4b44a4a2eba861abe436deb64d780e562dba7d907dffc769d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MobileSystem.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\JA\MobileSystem.exe
        • Size 789KB
        • SHA256 b49cba10924a85e5a34f8f51d0ce2e28e92373095c92e95de2ee596f26de6c44
        • MD5 SHA1 SHA512 SSDEEP TLSH