Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/11/2026, 07:51

General

  • Target
    2026-11-08_0ad21318ff66bc4e84f82adc078cb779_elex_rhadamanthys_smoke-loader.exe
  • Size 296KB
  • Sample261109-jp8wtsdf93
  • SHA256 acc3e142e242ec3d1e90f6ba0c6a8f92d1412fdfe229b90d555c659ea946dfd1
  • 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\2026-11-08_0ad21318ff66bc4e84f82adc078cb779_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-08_0ad21318ff66bc4e84f82adc078cb779_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5784

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 328KB
        • SHA256 502552898f378fb8da746429160705d4fd7502777e9da3ebee86857e39f48117
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE658.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXE658.tmp
        • Size 288KB
        • SHA256 ec9573d46f7794a3e766aebe5fd0a1b9113748d7179e62b1e96cde58774dd8a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE659.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXE659.tmp
        • Size 288KB
        • SHA256 c8ace72ab8b722c911d4b2579518ed0c0bcc8a9ad881b54f395e42ca1f1bb3fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE567.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXE567.tmp
        • Size 288KB
        • SHA256 dca91bf8a82d40a1bcfedab994b775f3a73a38bde270c49f1eab6d5e5887b3d5
        • MD5 SHA1 SHA512 SSDEEP TLSH