Overview

overview

6

Static

static

3

2026-06-04...ee.exe

windows10-2004-x64

6

2026-06-04...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 03:58

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General

  • Target
    2026-06-04_64c564af1b5a6998f73605bfc8108555_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260604-ejr9nsax8j
  • SHA256 a3a82620e8ccc7fbb86764f3bcdf3e45e774e88c51ce113847992d7de1e95894
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 4 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 40 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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\2026-06-04_64c564af1b5a6998f73605bfc8108555_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_64c564af1b5a6998f73605bfc8108555_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 1208
      2⤵
      • Program crash
      PID:3476
  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_64c564af1b5a6998f73605bfc8108555_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-04_64c564af1b5a6998f73605bfc8108555_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1420
      2⤵
      • Program crash
      PID:1016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1460 -ip 1460
    1⤵
      PID:872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2704 -ip 2704
      1⤵
        PID:1104

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            WCChromeNativeMessagingHostCreate.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHostCreate.exe
            • Size 1.1MB
            • SHA256 feff6a11c115901cfe5c36aab3d49e3afc5e44c5683e5984c20d2b89914b9913
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WindowsMediaFlash.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\WindowsMediaFlash.exe
            • Size 1.1MB
            • SHA256 92c7881d4578d10a09957b5265edddb413d60df75b8992f06db30e00f2135591
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MicrosoftVisual.exe
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInViews\MicrosoftVisual.exe
            • Size 1.1MB
            • SHA256 a3a82620e8ccc7fbb86764f3bcdf3e45e774e88c51ce113847992d7de1e95894
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download