Analysis

  • max time kernel
    137s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 09:05

General

  • Target
    2026-07-24_97069c403b81b15e3f79dda7cb53427e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260724-k155rabk21
  • SHA256 60c6b857000b4436d82e5a64c44e56784e4276577328ad5f1ebe3299bb41637c
  • 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 35 IoCs
  • Drops file in Windows directory 50 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-24_97069c403b81b15e3f79dda7cb53427e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-24_97069c403b81b15e3f79dda7cb53427e_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:4924
  • C:\Users\Admin\AppData\Local\Temp\2026-07-24_97069c403b81b15e3f79dda7cb53427e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-24_97069c403b81b15e3f79dda7cb53427e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeAiod.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AdobeAiod.exe
        • Size 1.1MB
        • SHA256 5a2db0ae94d19fcc833ea1a3bbd24f1452747c9a6108397aeb56480bc81520c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EmbeddedWindows3.3397.1731.57072.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\EmbeddedWindows3.3397.1731.57072.exe
        • Size 1.1MB
        • SHA256 030da0f5b7aa94da4bf139cd6b01bca55eb1bd7e3729007a682518dea27880ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeWCChromeNativeMessagingHost.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost.exe
        • Size 1.1MB
        • SHA256 5f21839493731464c415a2112ac060e3c8eb87a4e9a8923ab5bba96b255c4d85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icudt58CoolType.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\icudt58CoolType.exe
        • Size 1.1MB
        • SHA256 94fca4b4c5da3e2ab2fc9f76bd57397de2432181126195755f10a09893ca491a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Startjavaw.exe

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_116593\Startjavaw.exe
        • Size 1.1MB
        • SHA256 56da9d31317025cad2131bf38e20c6175c4074370eefad737355fdf9029bc5ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WAB32resWAB32.exe

        • Path C:\Program Files (x86)\Common Files\System\WAB32resWAB32.exe
        • Size 1.1MB
        • SHA256 60c6b857000b4436d82e5a64c44e56784e4276577328ad5f1ebe3299bb41637c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FrameworkMicrosoftR.exe

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\ja\FrameworkMicrosoftR.exe
        • Size 1.1MB
        • SHA256 b0654b0fc6e19f9ab0be8f8f09e00cbd5a336721fad6afeb10285374cb08b182
        • MD5 SHA1 SHA512 SSDEEP TLSH