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
    131s
  • max time network
    149s
  • 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, 23:41

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General

  • Target
    2026-08-20_9f5545587a138379e0fe92f8ff779484_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260820-3pgbcsxenh
  • SHA256 7ea8ea409e5a6f818cbb0503c084f30b7c22fe0f26b02367d043a1836f0ec185
  • 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 33 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_9f5545587a138379e0fe92f8ff779484_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_9f5545587a138379e0fe92f8ff779484_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:3116
  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_9f5545587a138379e0fe92f8ff779484_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-20_9f5545587a138379e0fe92f8ff779484_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        libceflibcef.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libceflibcef.exe
        • Size 1.7MB
        • SHA256 4162d4a60314eaf224450372d87e21a38a75758102883ce3488beebb96720e87
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InternetOnix32.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\InternetOnix32.exe
        • Size 1.7MB
        • SHA256 51319a9044db04a369d8a42fdfe565fdc8dfe4caf83f87dd14ec5840493af6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        JP2KLibLogSession.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\JP2KLibLogSession.exe
        • Size 1.7MB
        • SHA256 65a4ce198e03538bcb83928ed802f17efd062cece4febe9c8326dbce9efc8862
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pdf417pmpqrcodepmp.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\AcroForm\PMP\pdf417pmpqrcodepmp.exe
        • Size 1.7MB
        • SHA256 4f3785dc81c50ab67951500b6c13a5396d4d8ef1494c6dc20d04f5b9a9b77f3a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ExcelOffice.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\HostSideAdapters\ExcelOffice.exe
        • Size 1.7MB
        • SHA256 959eafa940232da824542b45d78b53c9a23eaad30204ac12f2984e1a6f9db4e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftSystem.exe
        • Path C:\Windows\assembly\GAC_MSIL\System.Data.Services.Design.Resources\3.5.0.0_it_b77a5c561934e089\MicrosoftSystem.exe
        • Size 1.7MB
        • SHA256 076d65a6bb9f17caa761bfb6bf32ec4f275cb4333fb8fb9f477928b1bc48bca7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download