Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 00:15

General

  • Target
    2026-08-06_c56429172bcb81a052c122baedf28058_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260807-akemradj51
  • SHA256 484b2ba6f8dd618ffc0c9e7ad0bfb9279823138b02544b03448446a765ca7d68
  • 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\2026-08-06_c56429172bcb81a052c122baedf28058_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_c56429172bcb81a052c122baedf28058_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4840

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 321KB
        • SHA256 ccbb6f65831f91056a4dddd15d8bb2abffd9f15164de7db4d59a381926dcca16
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX79FC.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX79FC.tmp
        • Size 284KB
        • SHA256 cc351e2b412da422c56791ac238dbf603bd378ae063438b2a302a87446da6e19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7B9D.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX7B9D.tmp
        • Size 284KB
        • SHA256 a7efad2dbcabdcc34842d9109d4e63371b4fb90a569a46f5b94a09ac175c539b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 321KB
        • SHA256 8f1120c87e02f1067cb116018e2e4b47eb84b13f021dd720ed828ea5c13b2dd8
        • MD5 SHA1 SHA512 SSDEEP TLSH