Overview

overview

10

Static

static

10

2026-08-19...er.exe

windows10-2004-x64

10

2026-08-19...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 22:56

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-19_4c0324660ccb6dcede2c1979e0337128_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260819-2wwh7abk21
  • SHA256 266ec283a43ad9bfe3ad64f176cc5b817ef851e5d968bcb6b7e8fafb7f80dac9
  • 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\2026-08-19_4c0324660ccb6dcede2c1979e0337128_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_4c0324660ccb6dcede2c1979e0337128_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:2672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 321KB
        • SHA256 f10f707c5bf764103b3b6d973ccb8bc80442a14f35c3341a71b58f96c560c249
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX23AE.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX23AE.tmp
        • Size 284KB
        • SHA256 3ba197b0519bf941a0e0325ec1bb82126eef885a00c1cba5ed8a1a968ada81a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX261A.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX261A.tmp
        • Size 284KB
        • SHA256 d1bd01ac6c687a8e67628bc183e5389ea6f9fae2d07fce4321319c190ca4ce0a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        jabswitch.exe
        • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
        • Size 284KB
        • SHA256 c19262495124c737ea5fdaf2931e53547e80c8218d5e0a936354fe9cfa7181cb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download