Overview

overview

10

Static

static

10

2026-07-14...er.exe

windows10-2004-x64

10

2026-07-14...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 00:08

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General

  • Target
    2026-07-14_e2dcf2affa9748dc1e808b7784cab291_elex_rhadamanthys_smoke-loader.exe
  • Size 2.1MB
  • Sample260715-aferysfx5k
  • SHA256 a3bdce0bce9c13c4c55993ca2c2582ea6413a33aa073d9f20f0e80e2a0111cb4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverycosmuransomwarespywareworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • 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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-14_e2dcf2affa9748dc1e808b7784cab291_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-14_e2dcf2affa9748dc1e808b7784cab291_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    PID:832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 335KB
        • SHA256 c4ff95deb5fe50b38a916619709445341e2da5bd078b06d1cc227e27d6a340a5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF471.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCXF471.tmp
        • Size 284KB
        • SHA256 8724b6a11a776a2680ff9154dcc2af25b44f22bac451972cdd828ba1ccbc5e3d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_proxy.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 335KB
        • SHA256 561e3bb32f1eff9e6ed5d23d79149c5ef9e95b86e6801ab27dcbfc0f120184e3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF5B3.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCXF5B3.tmp
        • Size 284KB
        • SHA256 dc9f52de9725d712e6e203a8fd06ff0ab0cf9bdb905d08bd6443b4e8aea077db
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download