Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/08/2026, 17:08

General

  • Target
    2026-08-05_eef4bb2aa91f8646f0847fec74910440_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.8MB
  • Sample260805-vnwewscf72
  • SHA256 4186d53c037de5a0ef41f652efceb1377fb4f2fb1db79d1fcaf3120a9d4a5f79
  • 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 28 IoCs
  • Drops file in Windows directory 64 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_eef4bb2aa91f8646f0847fec74910440_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_eef4bb2aa91f8646f0847fec74910440_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:368
  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_eef4bb2aa91f8646f0847fec74910440_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-05_eef4bb2aa91f8646f0847fec74910440_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2328

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ViewerLink.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ViewerLink.exe
        • Size 1.8MB
        • SHA256 b42121505c1eeeac6174fe5220bf427a7c315d315ffef1977477b74ef24f7ea6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX125E.tmp

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\ink\RCX125E.tmp
        • Size 1.8MB
        • SHA256 42bdb95d648c575ae0c44e95d90f74a5a47c01a379460064222da1466aa551da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        javawjava.exe

        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_89984\javawjava.exe
        • Size 1.8MB
        • SHA256 4186d53c037de5a0ef41f652efceb1377fb4f2fb1db79d1fcaf3120a9d4a5f79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXEC7A.tmp

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Web.Entity.Design.resources\v4.0_4.0.0.0_es_b77a5c561934e089\RCXEC7A.tmp
        • Size 1.8MB
        • SHA256 12f2d8d656de698737c18c4a0f7be57a1a3de4b67e75346fbcf96992e50f45f5
        • MD5 SHA1 SHA512 SSDEEP TLSH