Analysis

  • max time kernel
    128s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 16:00

General

  • Target
    2026-07-05_9f0ef51ce2b98dfaa88ffcdb56bfc763_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.3MB
  • Sample260705-tfmbksdw41
  • SHA256 ae5ff33bf15189d65e28ad6b102149a1847c18012fa9c7be4456b2b3f0a5cdbd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 21 IoCs
  • Drops file in Windows directory 41 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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_9f0ef51ce2b98dfaa88ffcdb56bfc763_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_9f0ef51ce2b98dfaa88ffcdb56bfc763_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Drops file in Drivers directory
    • 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:4264
  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_9f0ef51ce2b98dfaa88ffcdb56bfc763_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-05_9f0ef51ce2b98dfaa88ffcdb56bfc763_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:2084

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        BIBUtilsInternational3.9.0.42221.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\BIBUtilsInternational3.9.0.42221.exe
        • Size 1.3MB
        • SHA256 16d478444bc30f291a2e31676e0b062964f3c14f03bd68d989dc990a57f654dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesSystem.exe

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\de\resourcesSystem.exe
        • Size 1.3MB
        • SHA256 af2acca7bf60bd35fbcdf0130714eca747c1b5cd9f1b6962bfcd9e55a25e9866
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ImagingDevicesPhotoViewer10.0.26100.1.exe

        • Path C:\Program Files (x86)\Windows Photo Viewer\uk-UA\ImagingDevicesPhotoViewer10.0.26100.1.exe
        • Size 1.3MB
        • SHA256 8bcad3ed2184a8855d34eb8c9ea0db726c9d708425b8d0c76d08b8d45716970a
        • MD5 SHA1 SHA512 SSDEEP TLSH