Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 04:15

General

  • Target
    2026-08-10_9dfcc0e4c0960b059e3ef0b098ff4320_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260810-evmtbsaq7s
  • SHA256 3723b2234fc7d94a4d08292504b08502e634c5f53944d165c3249a08e6bee62c
  • 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\2026-08-10_9dfcc0e4c0960b059e3ef0b098ff4320_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_9dfcc0e4c0960b059e3ef0b098ff4320_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:992

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 0eb1a7222f2a8437be451ef63b28fb99b2a64e6d54506f903a314579aa14e60a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX2739.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX2739.tmp
        • Size 284KB
        • SHA256 3b1e554091e15aab682d22e7c03fcec823302eb20086d423afd4731f7c72e5b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 5e07bedce7441a06ebab0932c6a8dcb148ba33760c14cddd991fa979be1a30b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX28D9.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX28D9.tmp
        • Size 284KB
        • SHA256 9659a17367038ad66a537cdcd4335e28a313d1fb1ed3b2019cca9575b8208277
        • MD5 SHA1 SHA512 SSDEEP TLSH