Overview

overview

6

Static

static

3

2026-08-20...ee.exe

windows10-2004-x64

6

2026-08-20...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 21:10

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General

  • Target
    2026-08-20_e3521d3185ab86c4cd8eb9735ddd07e6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.6MB
  • Sample260820-zz8a2syvhs
  • SHA256 e74d51e317c0bb9d8cc2eb30499a6f818d34411f37fcb0f978e1f7a50f164e34
  • 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 4 IoCs
  • Drops file in Program Files directory 34 IoCs
  • Drops file in Windows directory 21 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_e3521d3185ab86c4cd8eb9735ddd07e6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_e3521d3185ab86c4cd8eb9735ddd07e6_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:2116
  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_e3521d3185ab86c4cd8eb9735ddd07e6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-20_e3521d3185ab86c4cd8eb9735ddd07e6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2928

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        chromeelfdllwidevinecdmadapter67.0.3397.119.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\chromeelfdllwidevinecdmadapter67.0.3397.119.exe
        • Size 1.5MB
        • SHA256 ea1b51864b9d6c8f66d425feec113db17dd7f55e146356e1dd7fc8bf63fd6509
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AdobeWCChromeNativeMessagingHost19.10.20064.310990.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost19.10.20064.310990.exe
        • Size 1.6MB
        • SHA256 b7deb4fd832804d935bf586af0371d462c920fd93c38b2ee40dcd8b9d62a6a7f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Libraryccmeasym.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Libraryccmeasym.exe
        • Size 1.6MB
        • SHA256 e3c2d2359aed2927d6dca8b7a44a915531c608ca09e7329be60074345f55c42f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        StudioTools.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\StudioTools.exe
        • Size 1.6MB
        • SHA256 129515c8d32f4591adfed86e7d4e6ff0ead04a5be777f02e63d49f19d160bee4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OfficeStudio.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInViews\OfficeStudio.exe
        • Size 1.6MB
        • SHA256 4b2ce0b31a7f1c345365a02d0f1c81a317114118cf7e3394b4a33a38abb950c2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UpdaterUpdater.exe
        • Path C:\Program Files (x86)\Google\Update\UpdaterUpdater.exe
        • Size 2.1MB
        • SHA256 a42d502a6936dab7cb432f5ca3f277fb2971881594dedbb1447c67f326705c6b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download