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
    135s
  • max time network
    150s
  • 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, 17:50

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General

  • Target
    2026-08-04_df5bb212f9f47f98eec85b7ad3caf4d4_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample260804-wevbxabj71
  • SHA256 8c510837d049d2c58625bf3e34cf67c575e9e24d8f46e570333269855a4c1ae0
  • 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 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_df5bb212f9f47f98eec85b7ad3caf4d4_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_df5bb212f9f47f98eec85b7ad3caf4d4_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:1864
  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_df5bb212f9f47f98eec85b7ad3caf4d4_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-04_df5bb212f9f47f98eec85b7ad3caf4d4_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WindowsWindows10.0.19041.1.exe
        • Path C:\Program Files (x86)\Common Files\System\de-DE\WindowsWindows10.0.19041.1.exe
        • Size 1.2MB
        • SHA256 8c510837d049d2c58625bf3e34cf67c575e9e24d8f46e570333269855a4c1ae0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX4449.tmp
        • Path C:\Program Files (x86)\Windows Photo Viewer\en-US\RCX4449.tmp
        • Size 1.2MB
        • SHA256 073a48f0700a622c1db01ddda59f656c4db2a397308dc662fad59a6fa648166e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXCF33.tmp
        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\SMDiagnostics.resources\v4.0_4.0.0.0_es_b77a5c561934e089\RCXCF33.tmp
        • Size 1.2MB
        • SHA256 91e11858e3e1210ddb184347553ef5c6978440b0e9da4d87c6f2bd850b49320c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download