Analysis

  • max time kernel
    126s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 05:09

General

  • Target
    2026-07-30_9db0bb59fc92b550d459ae3ea3db7c77_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260730-ftjkyscb64
  • SHA256 f3822834b3b12f3741c6f8057ccde28e082de5678ead51cfbf669ef6eee8c133
  • 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 3 IoCs
  • Drops file in Program Files directory 24 IoCs
  • Drops file in Windows directory 62 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\2026-07-30_9db0bb59fc92b550d459ae3ea3db7c77_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_9db0bb59fc92b550d459ae3ea3db7c77_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:440
  • C:\Users\Admin\AppData\Local\Temp\2026-07-30_9db0bb59fc92b550d459ae3ea3db7c77_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-30_9db0bb59fc92b550d459ae3ea3db7c77_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:1132

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeNPPDF32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\AdobeNPPDF32.exe
        • Size 1.3MB
        • SHA256 e96e3ebde0c6e675cd861f3d3d95f8784d857e65438daa169d6fc95d9272d9b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icudt60chromeelfdll.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\icudt60chromeelfdll.exe
        • Size 1.4MB
        • SHA256 fecd692db505e94f04c26dfae75374ce91f81c795248c19f2b95a986f752debc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ProxyStubAXE8SharedExpat91.271639.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ProxyStubAXE8SharedExpat91.271639.exe
        • Size 2.0MB
        • SHA256 e3d793b7588fd22421408e159d39cb93bb4790431bc744fc1dbe95bde1c48cd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\AdobeAdobe.exe
        • Size 1.3MB
        • SHA256 31e481447f38256b00d74a95bebdb043ee334e2f5d2f4bcf10c9fc7e95305491
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msinfomsinfo.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfomsinfo.exe
        • Size 1.3MB
        • SHA256 f3822834b3b12f3741c6f8057ccde28e082de5678ead51cfbf669ef6eee8c133
        • MD5 SHA1 SHA512 SSDEEP TLSH