Analysis

  • max time kernel
    131s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 07:14

General

  • Target
    2026-08-14_97814eb2b979d2ec9e30f609ab1d668e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 4.2MB
  • Sample260814-h2wllaga32
  • SHA256 35350cf713b959c3975f5d89cd62e73747745b7ed7d8d9089f868824c92cf232
  • 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 7 IoCs
  • Drops file in Program Files directory 29 IoCs
  • Drops file in Windows directory 49 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-14_97814eb2b979d2ec9e30f609ab1d668e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_97814eb2b979d2ec9e30f609ab1d668e_elex_glassworm_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:4648
  • C:\Users\Admin\AppData\Local\Temp\2026-08-14_97814eb2b979d2ec9e30f609ab1d668e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-14_97814eb2b979d2ec9e30f609ab1d668e_elex_glassworm_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:5588

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        libceflibcef.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libceflibcef.exe
        • Size 4.2MB
        • SHA256 a324b424c33aa62fba34e930adc164364d7a32026b2e94f199aa232d48a400b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Libraryccmebase.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Libraryccmebase.exe
        • Size 4.2MB
        • SHA256 a629f47bf540fae0735eb0013bd9220dc56c28e039ada3741d3039642fd63586
        • MD5 SHA1 SHA512 SSDEEP TLSH

        QuickTimeMCIMPP.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\QuickTimeMCIMPP.exe
        • Size 4.2MB
        • SHA256 221556c441d1d66b72e46931c4896bb85a451c7baa55cdcb109c82c0d3ac8fd7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RegistrationAuto.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\RegistrationAuto.exe
        • Size 4.2MB
        • SHA256 c502390304009d90cf1d034ab7f28cb5a8d944e9394daf5b95597231ac354639
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadcoroperativo10.0.26100.1.exe

        • Path C:\Program Files (x86)\Common Files\System\msadc\es-ES\msadcoroperativo10.0.26100.1.exe
        • Size 4.2MB
        • SHA256 214ff5762ad254766a460a945812403d2981346c685efa7c93152326a6787401
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftFramework.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_32\System.Data\v4.0_4.0.0.0__b77a5c561934e089\MicrosoftFramework.exe
        • Size 4.2MB
        • SHA256 49b3ecb59b2112060dea9f440b6dcc9ca283a712ee59cb3b344e979041f1019d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        esscliOperating.exe

        • Path C:\Windows\SysWOW64\wbem\esscliOperating.exe
        • Size 4.2MB
        • SHA256 35350cf713b959c3975f5d89cd62e73747745b7ed7d8d9089f868824c92cf232
        • MD5 SHA1 SHA512 SSDEEP TLSH