Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 07:51

General

  • Target
    2026-07-17_8237ea3c97547e93c144b05653ad2233_elex_rhadamanthys_smoke-loader.exe
  • Size 940KB
  • Sample260717-jqaenaas71
  • SHA256 b19f53f76c2665ace74dc62297a14cfc24e2a2dc386cf5ebf4f767e6a5f72408
  • 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\2026-07-17_8237ea3c97547e93c144b05653ad2233_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_8237ea3c97547e93c144b05653ad2233_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2692

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 335KB
        • SHA256 1e0e78171a0832c3175e9821d3d3965d35ca80454a2afab4ca74d49271e1a6b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3689.tmp

        • Path C:\Program Files\7-Zip\RCX3689.tmp
        • Size 335KB
        • SHA256 b58cf1d9afa8a46b1706bc2ab82204e07754a1a801a03efe9a2f558f5bea4ef6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX385F.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX385F.tmp
        • Size 284KB
        • SHA256 905dc8cad61a8d0dfca7497fdb946de5e67664dc094450e9094bf2bce6a05d34
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3ABB.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX3ABB.tmp
        • Size 284KB
        • SHA256 58d9e0ac58535528378afcf0906ffd656e3897da6d47e4342f5e191ed632d35a
        • MD5 SHA1 SHA512 SSDEEP TLSH