Overview

overview

6

Static

static

3

2026-08-08...ee.exe

windows10-2004-x64

6

2026-08-08...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
    08/08/2026, 05:06

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General

  • Target
    2026-08-08_12a175e53219611f9d1e440de1bf1648_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 840KB
  • Sample260808-frlbrstyg1
  • SHA256 d24c59519b0c5c6ba3ef5da45a3e37955e799d8ea9a23bc407fcf85c6db46d2a
  • 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 3 IoCs
  • Drops file in Program Files directory 31 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\2026-08-08_12a175e53219611f9d1e440de1bf1648_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_12a175e53219611f9d1e440de1bf1648_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:3068
  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_12a175e53219611f9d1e440de1bf1648_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-08_12a175e53219611f9d1e440de1bf1648_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXD5D.tmp
        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\EBWebView\x64\RCXD5D.tmp
        • Size 842KB
        • SHA256 a5b6c923803236ce97865367924306e05b7bc8df26cb3ddb87b99e402b511675
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Windowswmplayer.exe
        • Path C:\Program Files (x86)\Windows Media Player\ja-JP\Windowswmplayer.exe
        • Size 840KB
        • SHA256 d24c59519b0c5c6ba3ef5da45a3e37955e799d8ea9a23bc407fcf85c6db46d2a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsWindows10.0.19041.1.exe
        • Path C:\Windows\assembly\NativeImages_v4.0.30319_64\Microsoft.Wed3937f9#\57c6859f602729103d3d009ff15ba161\WindowsWindows10.0.19041.1.exe
        • Size 842KB
        • SHA256 124f91a3ec7139a6dcb4ee2320a39728e1bf134927520006d9047ff1c2d15330
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download