Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 16:28

General

  • Target
    2026-07-09_cb238ce7d85041058eac1145259e774c_elex_rhadamanthys_smoke-loader.exe
  • Size 1.5MB
  • Sample260709-ty25raet91
  • SHA256 8c177cb1f0f4bd02f6f692bb955559f6739a2256ab456a8b2e19020cbdf78b8f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • Detects Cosmu payload 3 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\2026-07-09_cb238ce7d85041058eac1145259e774c_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_cb238ce7d85041058eac1145259e774c_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 324KB
        • SHA256 cceec4c0f9e259dcd89eef171b3c94a6ed61327609ebb2eae4c580d542aae422
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA15A.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXA15A.tmp
        • Size 284KB
        • SHA256 2b1490bd3faa2151e45047a31579d0a85bf603bb84d2c79763d7ef10edb3ad32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA29D.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXA29D.tmp
        • Size 284KB
        • SHA256 86843cf7b5b96b2b6f288eff761b4fa39cece34449d63167b2ce0977d0095999
        • MD5 SHA1 SHA512 SSDEEP TLSH