Overview

overview

10

Static

static

10

2026-08-20...er.exe

windows10-2004-x64

10

2026-08-20...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 21:43

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General

  • Target
    2026-08-20_794dc9dd7d08c4d6f52f3330ebe892c6_elex_rhadamanthys_smoke-loader.exe
  • Size 1.5MB
  • Sample260820-1lanasy1dw
  • SHA256 eab1e4b8f5d4975b7cad36db0a6215a4b738ab773554dfe473624f3baa4187ba
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuworm

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.

  • Drops file in Program Files directory 64 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_794dc9dd7d08c4d6f52f3330ebe892c6_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_794dc9dd7d08c4d6f52f3330ebe892c6_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 326KB
        • SHA256 fd5d4f0a83d7d491f2cf99ad0007097306d6b8ae57d39ab4af50a6ba644d7bf5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX6C12.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX6C12.tmp
        • Size 284KB
        • SHA256 f501ce1d66021e6e692b3327a30c5dae89d9d4bb5925f605789e325b38621f0d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 fae1483aaa57b94aa532d05321eb3f66481f4453e93595d8aa3857231c491e66
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX6DD1.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX6DD1.tmp
        • Size 284KB
        • SHA256 4f189d04f584961701ae499823534afd6b499f17a31e14adec169d582209ccbf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download