Overview

overview

10

Static

static

10

2026-07-13...er.exe

windows10-2004-x64

10

2026-07-13...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    111s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 01:15

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General

  • Target
    2026-07-13_6ef7efeda6bb160f0627af6f431aaa36_elex_rhadamanthys_smoke-loader.exe
  • Size 345KB
  • Sample260714-bmbvbad171
  • SHA256 e9e3ad4a5edc543ff8808793b158dd3d0c02283f2e93bcd028aa85076f47a04c
  • 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 6 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\2026-07-13_6ef7efeda6bb160f0627af6f431aaa36_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-13_6ef7efeda6bb160f0627af6f431aaa36_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:3148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 332KB
        • SHA256 29cb5567538630d0aecf7ff4f948d8c6fb470b3162bc3885e07bc46587b25a75
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        7zFM.exe
        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 340KB
        • SHA256 e4d1162e1887005b4b57e700b04693f8d72b201b1b991ead613d7fa4ff2cc984
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_pwa_launcher.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe
        • Size 1.5MB
        • SHA256 ab114b6b7bc51291c624fefd2928392a43c462b1b2f6b382ae2538ed899a8b18
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX8D07.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX8D07.tmp
        • Size 288KB
        • SHA256 b3eed70d882432e809cb9e31007494774375b45058ba96bf6a73635d89710d53
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 96992cc028e7d00e424522a42079d996670a2174ed267d5f9b01242e72e0e4a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX8F82.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX8F82.tmp
        • Size 288KB
        • SHA256 f7a9e2bdd6b3c6e7611dbcd3beef6fa173ee65aab41317804cc041e2efdcc593
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download