Overview

overview

10

Static

static

10

2026-08-22...er.exe

windows10-2004-x64

10

2026-08-22...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 22:27

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General

  • Target
    2026-08-22_e44ae3506e89ee7fafe7ffe40720ba9f_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260822-2dkzqszfkc
  • SHA256 55b81e930ff2124bdbda18b3fcf0859068cf3795b504fc578e38f36b715fd5c2
  • 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\2026-08-22_e44ae3506e89ee7fafe7ffe40720ba9f_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_e44ae3506e89ee7fafe7ffe40720ba9f_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:5068

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 324KB
        • SHA256 f91a9ead30637d6776b4c236a2979b8ad6774d6e706c731f9e0e4c3ef8e53fe5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX3F93.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX3F93.tmp
        • Size 284KB
        • SHA256 bd22364f437ad8488f0bcd6eca995f1dfff25428d2c7a0a0be3d4aa83a0b2f3c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX40B7.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX40B7.tmp
        • Size 284KB
        • SHA256 15d659c404aec20ee43ae570a65e071a372ae0bbc0659ece86f9eb84b62e13da
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        jabswitch.exe
        • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
        • Size 284KB
        • SHA256 510dc8ae749dd9598114283457395aaaa6b8966cceaa2ff96ca84cd0c3e7dc9d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download