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
    18/07/2026, 04:33

General

  • Target
    2026-07-17_2522f5d3dc98ad1c1027d916ccb6e7a9_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260718-e6jaaagv3p
  • SHA256 edcd55200509e7a6efc501850795d61a1030724594975f69bd5f0280191cd293
  • 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_2522f5d3dc98ad1c1027d916ccb6e7a9_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_2522f5d3dc98ad1c1027d916ccb6e7a9_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1784

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 331KB
        • SHA256 07f68058a4d8a634ed570740340c56f77d42a2e140dd1098f5599f1d037b743e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX26CB.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX26CB.tmp
        • Size 284KB
        • SHA256 63f4c8513a898df7adda960cab92d763e968b57306df714e47a76655aa591c6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX28E9.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX28E9.tmp
        • Size 284KB
        • SHA256 eae5951cccdb9f3f93922e570245db877c7e0b2816750cf96fba8f12234d78a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        helper.exe

        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 355KB
        • SHA256 2cb4fd9f04352f1934bebf39127b0afe458946840f1a24ca57f4fa0bcca0eb31
        • MD5 SHA1 SHA512 SSDEEP TLSH