Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 04:03

General

  • Target
    2026-10-11_de73af8a810e786b9c5ea43e3f4c7c9f_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261012-emdkpae13z
  • SHA256 58056c3d12cd7693831432214e6899b535f796980a3fb0c20b796d65f933ada8
  • 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\2026-10-11_de73af8a810e786b9c5ea43e3f4c7c9f_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_de73af8a810e786b9c5ea43e3f4c7c9f_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3900

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 284KB
        • SHA256 f78bf6797992a5dddadb8616560c0f62dad053ea58cf728875fe3cf6dda71475
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX229A.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX229A.tmp
        • Size 284KB
        • SHA256 c984937028dc10172e101c9444dbf055e8a68fe1ec19f15efed4c4f1c91bb36e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX229B.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX229B.tmp
        • Size 284KB
        • SHA256 98f553f8254edf2c7d313f45488b076ac29b16678b98520918e94b455866f3bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chrome.exe

        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 284KB
        • SHA256 f283521a9dcffbc9cb2189258a6df0b2b984cd939e1724705fac06bc4720033d
        • MD5 SHA1 SHA512 SSDEEP TLSH