Analysis

  • max time kernel
    131s
  • 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
    10/09/2026, 10:15

General

  • Target
    2026-09-10_d16d83833b27e05cdb885b56c80cec1f_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 950KB
  • Sample260910-maabhavtht
  • SHA256 d4fb32c59a13abffbc7a5de447a691f5f0a14176aa023e864cf7a6a7f5f2b0b9
  • 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 50 IoCs
  • Drops file in Windows directory 64 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-10_d16d83833b27e05cdb885b56c80cec1f_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-10_d16d83833b27e05cdb885b56c80cec1f_elex_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:4636
  • C:\Users\Admin\AppData\Local\Temp\2026-09-10_d16d83833b27e05cdb885b56c80cec1f_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-10_d16d83833b27e05cdb885b56c80cec1f_elex_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:2768

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        SystemAdapter.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\SystemAdapter.exe
        • Size 8.4MB
        • SHA256 bd7e9e233b17fdcaa04c8db85310cfdea146aaeb5a6f4ee740c4aa01b6b76f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libEGLlibcef.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libEGLlibcef.exe
        • Size 972KB
        • SHA256 4e5d93d88681b21f24ca3537ef9446c27fb0d4a6c763abb7566df61562937850
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PDFPrevHndlrccmeasym.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\PDFPrevHndlrccmeasym.exe
        • Size 947KB
        • SHA256 56f2b6dbffc88e81b6108c7698e6b680e14615fbf885cbc920203a19f92e6fea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateRegistration.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\UpdateRegistration.exe
        • Size 950KB
        • SHA256 9164f1b67892ae25e937e22083d3dc117527c524c49ecddd74a286e89069fb4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftVisual.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\MicrosoftVisual.exe
        • Size 954KB
        • SHA256 65fa9c89a448b7538f14765c53dfa0a09189e84d2333d7dc80b503e15829c1ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msdasqlrSystem.exe

        • Path C:\Program Files (x86)\Common Files\System\Ole DB\de-DE\msdasqlrSystem.exe
        • Size 951KB
        • SHA256 bba140a1ac2dbf6ee8dea96af88ab928d360546551efcc72eaf5c2512b7863d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PrintingSystem.exe

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\de\PrintingSystem.exe
        • Size 951KB
        • SHA256 807c41ecd2152b9a3e6993e005f106ec497d4044f62c95300aa167363c6dcf41
        • MD5 SHA1 SHA512 SSDEEP TLSH