Overview

overview

6

Static

static

3

2026-08-23...ee.exe

windows10-2004-x64

6

2026-08-23...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    139s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 23:15

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General

  • Target
    2026-08-23_96a79429bf340dea823985e51afa5f1f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260825-28tkcsfk5y
  • SHA256 733c8f9921232dde624d7a599523d8174890d85b53d61d04b65b87c8d234fdd5
  • 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 44 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-23_96a79429bf340dea823985e51afa5f1f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_96a79429bf340dea823985e51afa5f1f_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3916
  • C:\Users\Admin\AppData\Local\Temp\2026-08-23_96a79429bf340dea823985e51afa5f1f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-23_96a79429bf340dea823985e51afa5f1f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4752

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcroSpeedLaunchccmeasym.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroSpeedLaunchccmeasym.exe
        • Size 1.7MB
        • SHA256 c9315555367cf9fa9236ee9892807602bcfdb49fa4d134af7b56184b85073adb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WebViewClient.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\EBWebView\x64\WebViewClient.exe
        • Size 1.1MB
        • SHA256 733c8f9921232dde624d7a599523d8174890d85b53d61d04b65b87c8d234fdd5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX5169.tmp
        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\de\RCX5169.tmp
        • Size 1.1MB
        • SHA256 cb94bb57581ed40c4557c2f4221c4078ce9a6c8ffc5108531c24f271e6fc62b4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX3345.tmp
        • Path C:\Windows\Installer\$PatchCache$\Managed\00006109E70000000100000000F01FEC\16.0.12527\RCX3345.tmp
        • Size 1.1MB
        • SHA256 6777495e5b828eb75c3b4e31df3f68dffdf65de37bcc109f938fe71ee0e7524f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download