Overview

overview

10

Static

static

10

2026-10-24...er.exe

windows10-2004-x64

10

2026-10-24...er.exe

windows11-ltsc_2024-x64

10

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
    25/10/2026, 00:30

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General

  • Target
    2026-10-24_fb4e5e32c4659d52dedd99b445a02fd9_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261025-ath2jads4s
  • SHA256 0f8234154f581f2d2b526554728f2568aa5e19e6e439bfd663bc691b46fc5014
  • 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 5 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\2026-10-24_fb4e5e32c4659d52dedd99b445a02fd9_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-24_fb4e5e32c4659d52dedd99b445a02fd9_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:5840

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 330KB
        • SHA256 3d879996d26debad2ae228f7e943cdbe72835c1301d60ffaee90a791e3d762f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX9B84.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B84.tmp
        • Size 284KB
        • SHA256 ea54bc1ae012bda2da4e8836aee28f625986e95767c745e22c89aa269117d2ad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX9B94.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX9B94.tmp
        • Size 284KB
        • SHA256 0ae06c0bb4566c3f51dfd178ea59aa0c5a7892bacdfb02b148b2a4181548e111
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX9AB2.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX9AB2.tmp
        • Size 284KB
        • SHA256 b3f9c286e06e64a6327c8c90c47ca9a84dcdd3a55cacb3bdb4f52da4a796903d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        jabswitch.exe
        • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
        • Size 284KB
        • SHA256 fa0b8b35bd1908af6144c1024227e8ad86bf8744bf0ce9034f0a718385518d92
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download