Overview

overview

10

Static

static

10

2026-07-20...er.exe

windows10-2004-x64

10

2026-07-20...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 02:50

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General

  • Target
    2026-07-20_92bb1cf427a5b85189f48e2126403c9d_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260720-db116sc15l
  • SHA256 c68ff5efc4b9573ad833410e44a963ed8862dd2ac87ca405a73fffc42d9dd131
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverycosmuransomwarespywareworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • Detects Cosmu payload 6 IoCs

    Cosmu is a worm written in C++.

  • Enumerates connected drives 3 TTPs 10 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-20_92bb1cf427a5b85189f48e2126403c9d_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_92bb1cf427a5b85189f48e2126403c9d_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    PID:3896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 336KB
        • SHA256 9beba15870ba0f1cfab63ad1a03986b12163ed01ee90ab9e7eb2f2b044ef3029
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_pwa_launcher.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 1.5MB
        • SHA256 f179c0dd3eeacee3f4f8423557d92f6daadf00092f431d0e10ad1535a19b13e3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX4A3D.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX4A3D.tmp
        • Size 284KB
        • SHA256 4624b1212fdff3b872771d13e5e64ce9e6d9546f81783e7c865cd56cfe6eadfe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 332KB
        • SHA256 c3424997e99e80d9d9f4ec842861f8443665dd5050f11352555211a925c5d373
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX4BFC.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX4BFC.tmp
        • Size 284KB
        • SHA256 5598a11efd20a3aa250726600f716b3ce9be6c582111b91a299d1201084a7983
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        crashreporter.exe
        • Path C:\Program Files\Mozilla Firefox\crashreporter.exe
        • Size 1.5MB
        • SHA256 ce7f300a029cb48220584472c8f2606870ac70acfd860ac459b5ec4a1f638560
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download