Overview

overview

6

Static

static

3

2026-08-01...ee.exe

windows10-2004-x64

6

2026-08-01...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    137s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 13:06

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General

  • Target
    2026-08-01_a96924f12a6126dc42ad18ea0b15e313_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 877KB
  • Sample260801-qcbh5aba59
  • SHA256 09dd223fda461a20df041f4029bac672ae724b617bcf5b3e74c211fe04ef20cc
  • 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 33 IoCs
  • Drops file in Windows directory 52 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\2026-08-01_a96924f12a6126dc42ad18ea0b15e313_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_a96924f12a6126dc42ad18ea0b15e313_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:1980
  • C:\Users\Admin\AppData\Local\Temp\2026-08-01_a96924f12a6126dc42ad18ea0b15e313_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-01_a96924f12a6126dc42ad18ea0b15e313_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2400

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX3761.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX3761.tmp
        • Size 878KB
        • SHA256 8ecec1acf2a241e7073a23d9b7f24e51ce50f3143450faa6c3002c9c7e7699bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX1E82.tmp
        • Path C:\Program Files (x86)\Common Files\System\ado\ja-JP\RCX1E82.tmp
        • Size 878KB
        • SHA256 393d8d4266e0fd85e8952fdd520f4947dc0a8c9f5d04400bd696897a5d0e35b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ArchiverProvidersMsuProvider.exe
        • Path C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\ArchiverProvidersMsuProvider.exe
        • Size 877KB
        • SHA256 09dd223fda461a20df041f4029bac672ae724b617bcf5b3e74c211fe04ef20cc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download