Overview

overview

10

Static

static

10

2026-07-06...er.exe

windows10-2004-x64

10

2026-07-06...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 02:27

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General

  • Target
    2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader.exe
  • Size 342KB
  • Sample260707-cxffxsds2q
  • SHA256 ebab089fba2a775aff4bf6e9ff6a86a03de10b4a241469362044d2068034e354
  • 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 4 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\2026-07-06_8a923964bee87b8ef90521c8f721ee50_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_8a923964bee87b8ef90521c8f721ee50_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:5660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 333KB
        • SHA256 b381daa1d4944f0970cea57d12609c80c7dec2f00890186f0fc211035f895e6b
        • 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 89383ff3fad940126ca5c9c6ab290ad3f05043639596622505ce8ead8433f458
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX58A9.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX58A9.tmp
        • Size 284KB
        • SHA256 ac10ee9af90b453a4db8a349a2cac52ccaf4880177fd1f2e69df4906a9bc85f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX5A0B.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX5A0B.tmp
        • Size 284KB
        • SHA256 b84e9533dce22852308b359f455a0acb6d99c090333d43d1ade940349905fdcb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download