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
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 00:19

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General

  • Target
    2026-10-24_3a49b315f978f4590868a31056457067_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261026-amd41aaz3v
  • SHA256 2f8208c5d26d9218c792db23b2b3da6aadf357f2ae8aa393c1b3fc1bee1e665c
  • 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_3a49b315f978f4590868a31056457067_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-24_3a49b315f978f4590868a31056457067_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:3176

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 333KB
        • SHA256 616a1283781b29f2220c9362f1722c657f56077e58433b257349eb009411b1ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX7C05.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7C05.tmp
        • Size 284KB
        • SHA256 ea54bc1ae012bda2da4e8836aee28f625986e95767c745e22c89aa269117d2ad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX7C16.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX7C16.tmp
        • Size 284KB
        • SHA256 0ae06c0bb4566c3f51dfd178ea59aa0c5a7892bacdfb02b148b2a4181548e111
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX7AD7.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX7AD7.tmp
        • Size 284KB
        • SHA256 2b54d3a3edf03016e11bebb3e9f88e209ea69dd7c3bad18076f25bb1638b8b0d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 cf55eddc2aeb6ecde04bfe17078b7af33b983c7b41f70bece43793dc06dd80a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download