Analysis

  • max time kernel
    149s
  • 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
    04/06/2026, 04:29

General

  • Target
    2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.1MB
  • Sample260604-e4fflshz4s
  • SHA256 46c2de3a0307471fee60f70cbf2e3cbe096d1c76789973781458b4e69b7abc0f
  • 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 35 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\2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_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:3244
  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_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:1172

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX33A7.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX33A7.tmp
        • Size 2.1MB
        • SHA256 850d25c2eb780ff52eea743595a84ed4c8ac6a0961b87ef5705bca486a7bd15f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX2C13.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\RCX2C13.tmp
        • Size 2.1MB
        • SHA256 4ca995fc0da642b6f3a0e2d9e46fb95031e79b0a0a41cec324483b472c26bd4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ieinstalieinstal.exe

        • Path C:\Program Files (x86)\Internet Explorer\ja-JP\ieinstalieinstal.exe
        • Size 2.1MB
        • SHA256 46c2de3a0307471fee60f70cbf2e3cbe096d1c76789973781458b4e69b7abc0f
        • MD5 SHA1 SHA512 SSDEEP TLSH