Analysis

  • max time kernel
    141s
  • 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
    07/11/2026, 10:20

General

  • Target
    2026-11-07_c5877eef14f8f7dbf450d3bebc2840aa_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample261107-mc4ccsct5q
  • SHA256 97015e0602165f791c41021bbc30ea52f9d0a49037e70a37304db15111682ec6
  • 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 39 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 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-07_c5877eef14f8f7dbf450d3bebc2840aa_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-07_c5877eef14f8f7dbf450d3bebc2840aa_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:2612
  • C:\Users\Admin\AppData\Local\Temp\2026-11-07_c5877eef14f8f7dbf450d3bebc2840aa_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-07_c5877eef14f8f7dbf450d3bebc2840aa_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        libEGLOperating.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libEGLOperating.exe
        • Size 1.2MB
        • SHA256 7271ead25df81949524a20d05a367a199a5f5ce7217f7ec6de426dee8734a043
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ccmebaseccmeasym4.30.83.1.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ccmebaseccmeasym4.30.83.1.exe
        • Size 1.2MB
        • SHA256 d3d4aeab5456973dad6f31ed81fd3fb2b7d26d329ea0c6a0ae9814514545682b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\AdobeAdobe.exe
        • Size 1.2MB
        • SHA256 71710a186be58f394dc3ea1e7305fcc5f2877fee144cab6193416f3de1ff0de2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ManagerAdobe.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ManagerAdobe.exe
        • Size 1.2MB
        • SHA256 b7241ee398e27d1b0d6925204a80e185f6c942514b2af8f8c93a631141acb21c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HMMAPIieinstal.exe

        • Path C:\Program Files (x86)\Internet Explorer\en-US\HMMAPIieinstal.exe
        • Size 1.2MB
        • SHA256 ef0522703b0bd0822ed0faf5677090bbca7955dc2a29ab02dbb72163ae813d60
        • MD5 SHA1 SHA512 SSDEEP TLSH

        systemSoap.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\JA\systemSoap.exe
        • Size 1.3MB
        • SHA256 51c04e50da6a7e79e7a2a758947307cd1b816183400d4588e1657b6c9e6689a7
        • MD5 SHA1 SHA512 SSDEEP TLSH