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
    02/11/2026, 12:54

General

  • Target
    2026-11-01_a3f33ae0979ea5a415f049dcf1eea370_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261102-p46mxact2k
  • SHA256 18e8551751642bbd1835fb2cb571a7260f15a99afd59e21ad217fb5bb8b3a431
  • 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_a3f33ae0979ea5a415f049dcf1eea370_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_a3f33ae0979ea5a415f049dcf1eea370_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5600

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 326KB
        • SHA256 ff86c7e6b9662df20c85a38512d6ec4d0b3f9c77ee292c19a52f53175aa84da7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7F60.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7F60.tmp
        • Size 284KB
        • SHA256 473fc8c5ab43f732706f93fa959784d8bc2b8ec378be6424639956eb18c0ceab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7F71.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7F71.tmp
        • Size 284KB
        • SHA256 0bda8bc1bcb2c75a7850eac36a83d982c0f0e6fce01cb55fe01e25704af05e7a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7E8F.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX7E8F.tmp
        • Size 284KB
        • SHA256 77089045d345ab8470cabd1595ccbf659542189b39630f28fb9bf97d7d1082c0
        • MD5 SHA1 SHA512 SSDEEP TLSH