Overview

overview

6

Static

static

3

2026-10-18...ee.exe

windows10-2004-x64

6

2026-10-18...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 14:26

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General

  • Target
    2026-10-18_54c7c303819db4efc80c9abfbfe8b353_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.8MB
  • Sample261018-rrwnaaft21
  • SHA256 4786d5bcf6d0123f46c62b4f3739eacdf2e21f56597c472c2a0117b0df19e868
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 27 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.

    discovery
  • 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.

    discovery
  • 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\2026-10-18_54c7c303819db4efc80c9abfbfe8b353_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-18_54c7c303819db4efc80c9abfbfe8b353_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:2252
  • C:\Users\Admin\AppData\Local\Temp\2026-10-18_54c7c303819db4efc80c9abfbfe8b353_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-18_54c7c303819db4efc80c9abfbfe8b353_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:4476

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX805A.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\AcroForm\PMP\RCX805A.tmp
        • Size 2.8MB
        • SHA256 8327f27efacbc2a4fc3dc8d0363c92ba7b3f107a80d3097f578b76d7c44d6e66
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VisualVSTOLoaderUI.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\10.0\1033\VisualVSTOLoaderUI.exe
        • Size 2.8MB
        • SHA256 4786d5bcf6d0123f46c62b4f3739eacdf2e21f56597c472c2a0117b0df19e868
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX773F.tmp
        • Path C:\Program Files (x86)\Windows Portable Devices\RCX773F.tmp
        • Size 2.8MB
        • SHA256 6750e6bfe435599a40fe94535e5e2110312883cfb2bb674676ec767648c6da4d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download