Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 12:04

General

  • Target
    2026-10-10_6af7fe74c36b1a0dbcf7833dc70b261c_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261011-n8ymeshd77
  • SHA256 89429695bcd3d587410dbb261e7acc8a6c4066be3f5e5aa82376c3998b232949
  • 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\2026-10-10_6af7fe74c36b1a0dbcf7833dc70b261c_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-10_6af7fe74c36b1a0dbcf7833dc70b261c_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5832

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 21f9c5d269100cbae926f7d07017ca6f44ea95e94e92151a63c00128a78a4e8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCDE3.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCDE3.tmp
        • Size 284KB
        • SHA256 3538879dbf55246877c73a2bcf6109ddad3c790f0e7c6a3b1cb1afd1be3d272d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCDE4.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCXCDE4.tmp
        • Size 284KB
        • SHA256 ab08bf648e743e3e03ee02bd7e59d837e82cfa6be675d80efd14f5c1714009a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCC94.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXCC94.tmp
        • Size 284KB
        • SHA256 d7f8aca51748280fe36bd3c843f3ff53a9277cbd1604d0c2aaf103cd58d9476e
        • MD5 SHA1 SHA512 SSDEEP TLSH