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
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 02:34

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-07-20_cc2bd71773013aa0d35f8ed1961f461d_elex_rhadamanthys_smoke-loader.exe
  • Size 353KB
  • Sample260720-c2d4naft6w
  • SHA256 251300769145f30318a684d393d7fbd192c82cd16d5eda9674afe45a394e9e0b
  • 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 3 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_cc2bd71773013aa0d35f8ed1961f461d_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_cc2bd71773013aa0d35f8ed1961f461d_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:4552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 333KB
        • SHA256 aa1f5e6515305199d76b9a15bc8df6e48b0e87d09904445d6c6c598542a1f8e6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX484D.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX484D.tmp
        • Size 284KB
        • SHA256 d6c07d8e9dd6ccddd07b72aa4d5d9d00597a7df97606d265968d05c6d4bacc0f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX49AF.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX49AF.tmp
        • Size 284KB
        • SHA256 8e8bf3157c1286a1ab6399110198418c3946dc229c8ba95398f56fe8d26dbb2b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download