Overview

overview

8

Static

static

3

2026-09-05...ee.exe

windows10-2004-x64

8

2026-09-05...ee.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 20:00

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General

  • Target
    2026-09-05_638299b973897015c9f9e817a8f476dd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260907-yrdk2abb22
  • SHA256 a9a0cdd17f6a45d55307f50d689f5e61f4a6b3c679f4f1320e1f2309d940d9ba
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistence

Malware Config

Signatures

  • Drops file in Drivers directory 9 IoCs
  • 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 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-05_638299b973897015c9f9e817a8f476dd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-05_638299b973897015c9f9e817a8f476dd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Drops file in Drivers directory
    • 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:4212
  • C:\Users\Admin\AppData\Local\Temp\2026-09-05_638299b973897015c9f9e817a8f476dd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-05_638299b973897015c9f9e817a8f476dd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4800

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        MicrosoftWindows.exe
        • Path C:\Program Files (x86)\Common Files\System\ado\en-US\MicrosoftWindows.exe
        • Size 1.7MB
        • SHA256 a9a0cdd17f6a45d55307f50d689f5e61f4a6b3c679f4f1320e1f2309d940d9ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
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