Analysis

  • max time kernel
    130s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/09/2026, 17:29

General

  • Target
    2026-09-25_f01e9a2f05b7b887c4a12e717b2fe0f9_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample260925-v225lasclf
  • SHA256 9f3d6e4bb9e23ac458f80f55899168fa1f2731992bbf2f194ec40ceebe358ee6
  • 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 37 IoCs
  • Drops file in Windows directory 64 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-09-25_f01e9a2f05b7b887c4a12e717b2fe0f9_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-25_f01e9a2f05b7b887c4a12e717b2fe0f9_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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1264
  • C:\Users\Admin\AppData\Local\Temp\2026-09-25_f01e9a2f05b7b887c4a12e717b2fe0f9_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-25_f01e9a2f05b7b887c4a12e717b2fe0f9_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX9E67.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\RCX9E67.tmp
        • Size 1.2MB
        • SHA256 16ac269379bd77b9d1150e7af269a35c0f59c932b914b084f5dab94993ad0543
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8700.tmp

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\ja\RCX8700.tmp
        • Size 1.2MB
        • SHA256 91b7237fa7e163d98252c06184b092591d3b4e2e2e1b1d727266c132f81ce784
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setupwmWindows.exe

        • Path C:\Program Files (x86)\Windows Media Player\uk-UA\setupwmWindows.exe
        • Size 1.2MB
        • SHA256 9f3d6e4bb9e23ac458f80f55899168fa1f2731992bbf2f194ec40ceebe358ee6
        • MD5 SHA1 SHA512 SSDEEP TLSH