Overview

overview

6

Static

static

3

2026-10-11...ee.exe

windows10-2004-x64

6

2026-10-11...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
    12/10/2026, 23:48

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General

  • Target
    2026-10-11_3d2db112cb30169d602f6c827f81a6a8_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 954KB
  • Sample261012-3tyffafe66
  • SHA256 9944cc43e6230a6f31854c37b353fc26cf45dd6d94ac2d5050009cfe4ea83f4e
  • 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 45 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\2026-10-11_3d2db112cb30169d602f6c827f81a6a8_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_3d2db112cb30169d602f6c827f81a6a8_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:4552
  • C:\Users\Admin\AppData\Local\Temp\2026-10-11_3d2db112cb30169d602f6c827f81a6a8_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-11_3d2db112cb30169d602f6c827f81a6a8_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:1304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXEA66.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCXEA66.tmp
        • Size 955KB
        • SHA256 09a95035d03d207a2c2c55b555b59fe206d6b672e7af78970ec757c14469b5ac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftSystem.exe
        • Path C:\Program Files (x86)\Internet Explorer\MicrosoftSystem.exe
        • Size 954KB
        • SHA256 9944cc43e6230a6f31854c37b353fc26cf45dd6d94ac2d5050009cfe4ea83f4e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXD0F9.tmp
        • Path C:\Program Files (x86)\Internet Explorer\es-ES\RCXD0F9.tmp
        • Size 955KB
        • SHA256 edb06f976cae12c1d5f69fa0c7fcd9ac7da996798becae66de8607ee15c9a058
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download