Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 14:05

General

  • Target
    2026-11-01_98cd214f6f828142bbadf721518f90b1_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261102-recpmscx4q
  • SHA256 0a34bd31b70ad5c523fa4bc220339141e73916747fa4f4304fd8edfef156f025
  • 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\2026-11-01_98cd214f6f828142bbadf721518f90b1_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_98cd214f6f828142bbadf721518f90b1_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4168

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 323KB
        • SHA256 13ac76087410313afff1fecc4004f219bdb54f6373be4dfd525cb8349c16fd55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3C8B.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3C8B.tmp
        • Size 284KB
        • SHA256 20d345e1ee0e83ecf3e28b9fdefa98d1ce07d03553d1fcbac0f9ebc460b89647
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3C8C.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX3C8C.tmp
        • Size 284KB
        • SHA256 2d6595300dd9a0e1acac647b8b2ef3ef499ff4976d9ed52322a83fd13b7a12ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3B8B.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX3B8B.tmp
        • Size 284KB
        • SHA256 7bed3c8623d3e08581cde080adda0c43e5304c04d3111fccbd76fd8545362220
        • MD5 SHA1 SHA512 SSDEEP TLSH