Analysis

  • max time kernel
    133s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 09:12

General

  • Target
    2026-07-12_7914436f920c1ea878e9f6abb652c91e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 824KB
  • Sample260712-k6awssht31
  • SHA256 91d9cceb7fbb35b6b5235a136c27ba53d47a0e3f45ac2a387c18ce0e3db0f76d
  • 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 38 IoCs
  • Drops file in Windows directory 64 IoCs
  • 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\2026-07-12_7914436f920c1ea878e9f6abb652c91e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-12_7914436f920c1ea878e9f6abb652c91e_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:6104
  • C:\Users\Admin\AppData\Local\Temp\2026-07-12_7914436f920c1ea878e9f6abb652c91e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-12_7914436f920c1ea878e9f6abb652c91e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1868

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Internationalwidevinecdmadapterdll67.0.3397.119.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\Internationalwidevinecdmadapterdll67.0.3397.119.exe
        • Size 8.2MB
        • SHA256 f33ddaf5b37430856440598984a3465c3ed58227a24ee076d222c791751196d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CreateAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\CreateAdobe.exe
        • Size 817KB
        • SHA256 18b2dbb79f72e2f2504c15a6122ccfe20d923a27820f92a8b5e884f80ff1fe3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Linksqlite.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Linksqlite.exe
        • Size 818KB
        • SHA256 ac5d0f69774ec2126e0d028801a1b2a24f058892b1d61fc5df913228c5afef08
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ViewerPSLogSession19.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ViewerPSLogSession19.10.20064.310990.exe
        • Size 786KB
        • SHA256 dbdbef8a0cd7142268111da0d577c47d9e1cec1ee41231347b9083f12ed78f76
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AcrobatAdobe.exe
        • Size 826KB
        • SHA256 b016c8e56ffe61e69c024d12e5903d3c80052b5bbcca14084fa382095dc8f209
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InternetExplorer11.00.26100.1591.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VGX\InternetExplorer11.00.26100.1591.exe
        • Size 826KB
        • SHA256 009aff6f5a49a2d29ad5f2855c635129ee3d0da2df243cc0d2f6ef79bdad364d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WAB32resWAB32.exe

        • Path C:\Program Files (x86)\Common Files\System\WAB32resWAB32.exe
        • Size 885KB
        • SHA256 b88a29715e4a3ecf28f6222bb5900a90c8acec3b0bcd91893118a0110f42ed6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMPNSSCIWMPNSSUI.exe

        • Path C:\Program Files (x86)\Windows Media Player\fr-FR\WMPNSSCIWMPNSSUI.exe
        • Size 826KB
        • SHA256 6c1465390a7bfab92efde79d3b6a30d65a4f26d07e869c903036ac4aabc2fff2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesMicrosoft.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\DE\resourcesMicrosoft.exe
        • Size 904KB
        • SHA256 95687946e7b61b16e4c74401507c3237c1ebe297d283db4ad9f27e4948ee0eb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeSerialization.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\it\RuntimeSerialization.exe
        • Size 903KB
        • SHA256 d7caa235d025c09353886275d80a87d96de33582627228db6721bc47f355e561
        • MD5 SHA1 SHA512 SSDEEP TLSH