Overview

overview

10

Static

static

10

2026-07-14...er.exe

windows10-2004-x64

10

2026-07-14...er.exe

windows11-ltsc_2024-x64

10

Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 00:00

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General

  • Target
    2026-07-14_ff93b326958224c93b89b64d7a2497bd_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260715-aacqeahy5v
  • SHA256 bd70a3fc50faf0bdc771223af708e6cb3f7a44be021c519a94965c8d63b226c5
  • 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\2026-07-14_ff93b326958224c93b89b64d7a2497bd_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-14_ff93b326958224c93b89b64d7a2497bd_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:5592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 334KB
        • SHA256 dd0d8796887d70b84fff23361662b7d6354be5b1aadcf475c227b0bf8df8a1bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX8789.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX8789.tmp
        • Size 336KB
        • SHA256 1f5b2ca13a1b4c4121a6ed20cdfcaad4a2d6d483eb8d52767d011448ebd27dca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 336KB
        • SHA256 9d84337cafd4225f512e8db1bc3a8f789b1a8d3e7997c66c988bd4741316372e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX889D.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX889D.tmp
        • Size 284KB
        • SHA256 0ee1b5346588b7f3ffbef7345b0115f4b14ea81e64fc3f9dbd2e18f8ef284880
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download