Analysis

  • max time kernel
    129s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 09:41

General

  • Target
    2026-07-20_6cec6d000cc628fb6d515bf083fb7fb0_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 983KB
  • Sample260720-lnwk8adv3m
  • SHA256 f6d3de1a1e991ac9500beba317429cfb79a0c292c8651a76b81b9e292898363e
  • 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 44 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\2026-07-20_6cec6d000cc628fb6d515bf083fb7fb0_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_6cec6d000cc628fb6d515bf083fb7fb0_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:4536
  • C:\Users\Admin\AppData\Local\Temp\2026-07-20_6cec6d000cc628fb6d515bf083fb7fb0_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-20_6cec6d000cc628fb6d515bf083fb7fb0_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:4248
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5300

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          OperatingWebInstaller.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\OperatingWebInstaller.exe
          • Size 8.4MB
          • SHA256 4adf156a6c89b203e1b531e4bec4e4cead2ce4eae28ea6a56765421459a9a0e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AcrobatAdobe26481.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AcrobatAdobe26481.exe
          • Size 984KB
          • SHA256 470af65074eb642c7cda120858511830c9c371f2b2959901df4b04bd470dd0d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rt3dfiles19.10.20064.310990.exe

          • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\rt3dfiles19.10.20064.310990.exe
          • Size 1.5MB
          • SHA256 b80c05f0e07e5972ea8b8a50ac00ba753320ac12a083d9cf70dd26ba9c2b6033
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MicrosoftStudio.exe

          • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\MicrosoftStudio.exe
          • Size 969KB
          • SHA256 f6d19855f85ff5b11dbf1b5888aeb4de43a53e4b42c8332233be1bd4bf0f9ade
          • MD5 SHA1 SHA512 SSDEEP TLSH

          OperatingWAB32res10.0.26100.1.160101.0800.exe

          • Path C:\Program Files (x86)\Common Files\System\OperatingWAB32res10.0.26100.1.160101.0800.exe
          • Size 1.0MB
          • SHA256 5a6acfafe3b104e82e52fa28dc8e2d6f993dffe6e55996614594f17e1e380d73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          EdgeMicrosoft.exe

          • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\EdgeMicrosoft.exe
          • Size 1.4MB
          • SHA256 07b602e1c150b4bd9b31fa5b17e16387868fbd23d135783cbfab41b62be78607
          • MD5 SHA1 SHA512 SSDEEP TLSH

          operativowmplayer.exe

          • Path C:\Program Files (x86)\Windows Media Player\it-IT\operativowmplayer.exe
          • Size 984KB
          • SHA256 1487cc288396b3a4d9766f1369afa256a7a760d152eb4fe4a40783e36fa1415f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          resourcessystem.exe

          • Path C:\Windows\assembly\GAC_MSIL\System.IdentityModel.Resources\3.0.0.0_fr_b77a5c561934e089\resourcessystem.exe
          • Size 984KB
          • SHA256 133764ac14193f6b22680d8e5c40bb46cf36d4cf2087b271090ec15a967fb0a0
          • MD5 SHA1 SHA512 SSDEEP TLSH