Overview

overview

6

Static

static

3

2026-11-07...ee.exe

windows10-2004-x64

6

2026-11-07...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    135s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/11/2026, 12:53

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General

  • Target
    2026-11-07_73d0551e83d10dc0b36453e014dc56d7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.8MB
  • Sample261107-p44tbab151
  • SHA256 ea1e8d3c2be09326d3cefe34aa90ed911faccc099ee5e2365ee508a87c64018e
  • 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 6 IoCs
  • Drops file in Program Files directory 59 IoCs
  • Drops file in Windows directory 63 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\2026-11-07_73d0551e83d10dc0b36453e014dc56d7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-07_73d0551e83d10dc0b36453e014dc56d7_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:2128
  • C:\Users\Admin\AppData\Local\Temp\2026-11-07_73d0551e83d10dc0b36453e014dc56d7_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-07_73d0551e83d10dc0b36453e014dc56d7_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:5488

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        chromeelfdllwidevinecdmadapter.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\chromeelfdllwidevinecdmadapter.exe
        • Size 1.2MB
        • SHA256 fd80975acca2c3478c5428401a209900626c04f28d89451cc0ed806b6c432902
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF1F5.tmp
        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXF1F5.tmp
        • Size 1.8MB
        • SHA256 6a7a61cf6761752cc70de6b45d0d96b9cfe75107a34ef2440395cf3a5609dbfa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXE098.tmp
        • Path C:\Program Files (x86)\Windows Defender\it-IT\RCXE098.tmp
        • Size 1.8MB
        • SHA256 b1a878f19267d5b04370269c1795ca55987a9de19eb917ba402cc4226594cdad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemOperating.exe
        • Path C:\Program Files (x86)\Windows Media Player\ja-JP\SystemOperating.exe
        • Size 1.8MB
        • SHA256 ea1e8d3c2be09326d3cefe34aa90ed911faccc099ee5e2365ee508a87c64018e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsMicrosoft.exe
        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.BackgroundIntelligentTransfer.Management.Resources\v4.0_10.0.0.0_de_31bf3856ad364e35\WindowsMicrosoft.exe
        • Size 1.8MB
        • SHA256 a299794474f08873d2d0dacdd65e4811a59d246e3a339ad3814dbda10be0738b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download