Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 05:10

General

  • Target
    2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader.exe
  • Size 1.5MB
  • Sample260730-ftr74adj6s
  • SHA256 0210e010760ebc55882098c03778376cdf3e68998de4412fef76a594393c0075
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • Detects Cosmu payload 5 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\2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_9c8336d0542162e5cd21ca392ac0d62d_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 334KB
        • SHA256 b33fe8c84542527c8cf6ce72c2c5b745588fc48894cd7e244fc096bb0d86997c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7559.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX7559.tmp
        • Size 284KB
        • SHA256 a10eee8a5574477ab7193c4ac1acaf5421c50bf8704994048d9cbeb59336a4e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX769B.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX769B.tmp
        • Size 284KB
        • SHA256 0425e8ce1c5d623e0e8a07eb2059141ec795f2f72431991387908609f14a3938
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 284KB
        • SHA256 e507311a62aeb0efbd4c20e9bc4c04af42a7b348667d9fb2c06de4680bd766fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 358KB
        • SHA256 35ff9f8b9ce18c20a17c71a780e6019b9d523cba15a2ebf1d81339dcd49c84fa
        • MD5 SHA1 SHA512 SSDEEP TLSH