Analysis

  • max time kernel
    132s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/07/2026, 16:31

General

  • Target
    2026-07-09_c5ed4472dfd7f8259c4c9ab8eae92c6f_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.5MB
  • Sample260709-t1msvaev4x
  • SHA256 eac9d781639549bff4454d4fd11560dd0e343c2f448408f0953cfaa1fb20e7ed
  • 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 39 IoCs
  • Drops file in Windows directory 41 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\2026-07-09_c5ed4472dfd7f8259c4c9ab8eae92c6f_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_c5ed4472dfd7f8259c4c9ab8eae92c6f_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:5724
  • C:\Users\Admin\AppData\Local\Temp\2026-07-09_c5ed4472dfd7f8259c4c9ab8eae92c6f_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-09_c5ed4472dfd7f8259c4c9ab8eae92c6f_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX62BB.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX62BB.tmp
        • Size 2.5MB
        • SHA256 47e17a0fbc8ca2f2c2f2f4d10370035363281e01dbf0b56e348f02cb1beb2007
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libEGLOperating2.1.0.461930603.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libEGLOperating2.1.0.461930603.exe
        • Size 2.5MB
        • SHA256 254a57f8c3be6befcd0e4e21a9eeac190020797d07ea4675d920fbcc9c64016f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX4871.tmp

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\RCX4871.tmp
        • Size 2.5MB
        • SHA256 af13091e106491526ecc8cfa5dcf1418d90680fbff1ce424d0cc5cc9a94a92b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftWindows.exe

        • Path C:\Program Files (x86)\Windows NT\Accessories\en-US\MicrosoftWindows.exe
        • Size 2.5MB
        • SHA256 eac9d781639549bff4454d4fd11560dd0e343c2f448408f0953cfaa1fb20e7ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesSystem.exe

        • Path C:\Windows\Microsoft.NET\Framework\v2.0.50727\JA\resourcesSystem.exe
        • Size 2.6MB
        • SHA256 99479208db31d7218facc5910b3c815d3f70a203843a9c5f72db8014a890e84a
        • MD5 SHA1 SHA512 SSDEEP TLSH