Overview

overview

6

Static

static

3

2026-08-04...ee.exe

windows10-2004-x64

6

2026-08-04...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 06:23

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General

  • Target
    2026-08-04_8b423863b1bc2610e1045082d7642e17_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample260804-g5w6vsshpa
  • SHA256 7371208b296a9df397b1af0098a80a68f3f52a4bc621bb00f20fa3f1f908e516
  • 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 39 IoCs
  • Drops file in Windows directory 39 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\2026-08-04_8b423863b1bc2610e1045082d7642e17_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8b423863b1bc2610e1045082d7642e17_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:4952
  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8b423863b1bc2610e1045082d7642e17_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-04_8b423863b1bc2610e1045082d7642e17_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4048

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX58D3.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCX58D3.tmp
        • Size 1.2MB
        • SHA256 eaa2523b3263e4c523be548ef11c44f70344d479fb50cdd6b1e6251545f348d1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VisualAppInfoDocument.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\VisualAppInfoDocument.exe
        • Size 1.2MB
        • SHA256 0aef7760bf11c16b73f9c4f210290d79e4a6222872e3f7bf6e51a659a68cbde8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsSystem.exe
        • Path C:\Program Files (x86)\Windows NT\TableTextService\WindowsSystem.exe
        • Size 1.2MB
        • SHA256 7371208b296a9df397b1af0098a80a68f3f52a4bc621bb00f20fa3f1f908e516
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download