Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 04:49

General

  • Target
    2026-08-08_9ccd772e5b37ae1d93c5a4fe5a57f857_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260808-ff72dstwfz
  • SHA256 1fa49965f5d10f19c90e8102bf9ed3fd53f365467ea879c6cc363d1cd493772a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • 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.

  • Drops file in Program Files 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_9ccd772e5b37ae1d93c5a4fe5a57f857_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_9ccd772e5b37ae1d93c5a4fe5a57f857_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 329KB
        • SHA256 ac64d65a4756b8f433478353f23b4f0d3f352bde07b3da85c9c354fc5fcce30c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1CD8.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX1CD8.tmp
        • Size 284KB
        • SHA256 d7f21c33c21751748c1425b463c709e84cd13ed54d3648437cc0128eedd4a436
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 5d91681526c77b3264ba95ac09e1824064e57aa82b2e53aa2e9d82439ce63e3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1E69.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX1E69.tmp
        • Size 284KB
        • SHA256 c19ee0267b9d8448566014c7f8844fcf1168e2e47ce3d38298cd731ef982bbd4
        • MD5 SHA1 SHA512 SSDEEP TLSH