Overview

overview

6

Static

static

3

2026-10-27...ee.exe

windows10-2004-x64

6

2026-10-27...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/10/2026, 21:35

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General

  • Target
    2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 712KB
  • Sample261027-1fafcagy8p
  • SHA256 6eeb96617ad35621ca026e835c96787e19bf4255c2ce9027bd2b400241c00746
  • 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 2 IoCs
  • Drops file in Program Files directory 36 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 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_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:2188
  • C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-27_f4f1b1585bc0d9ac023c46650f898296_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftData.exe
        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\it\MicrosoftData.exe
        • Size 714KB
        • SHA256 5ee8440fbb5032252d707475f6843007adf3249607cf26863b067bd04a8d6f03
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftData.exe
        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\it\MicrosoftData.exe
        • Size 712KB
        • SHA256 6eeb96617ad35621ca026e835c96787e19bf4255c2ce9027bd2b400241c00746
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftWindows.exe
        • Path C:\Windows\IME\MicrosoftWindows.exe
        • Size 712KB
        • SHA256 cb46fcf260f07728bf394f14eef9660d8aa8c1e28c9f1eaab65b2a6470ef2665
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX2061.tmp
        • Path C:\Windows\Microsoft.NET\Framework64\v4.0.30319\1036\RCX2061.tmp
        • Size 714KB
        • SHA256 d5c996a23ba8b6d4be966d549e8ccea0f82b8e78a11117a654a9ec07b2390749
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download