Overview

overview

10

Static

static

10

2026-08-23...er.exe

windows10-2004-x64

10

2026-08-23...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 23:10

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General

  • Target
    2026-08-23_9976a6eac619959f48d672d9b192083b_elex_rhadamanthys_smoke-loader.exe
  • Size 344KB
  • Sample260825-25152azerh
  • SHA256 bdcc992a6b88c65fa0f355d995b01b4a0b8d5b7a7152f27ae8257aeb3841b25e
  • 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\2026-08-23_9976a6eac619959f48d672d9b192083b_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_9976a6eac619959f48d672d9b192083b_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:4372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 331KB
        • SHA256 1d1dcd65f25ee1c8d979a097c32d05727cf670e8ff65d8ed691e104babb13a31
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX4ED5.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX4ED5.tmp
        • Size 288KB
        • SHA256 6cefc3d72677a96131262c065a8c859d8e0f2f82bc2ca2e0e96760acd633acee
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX4FF9.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX4FF9.tmp
        • Size 288KB
        • SHA256 6f0ff5be54406a8839664dd2189136aa539a3b41ea6ba3b70682b3f7fb8c7846
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        helper.exe
        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 331KB
        • SHA256 1782de26a3599f0924b39ec8f6eb2a65ca9205f24eae1a70f50436d22282a1e8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download