Overview

overview

10

Static

static

10

2026-07-10...er.exe

windows10-2004-x64

10

2026-07-10...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 18:13

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General

  • Target
    2026-07-10_2f227f24c6f73b1ea0505211ce9ba58d_elex_rhadamanthys_smoke-loader.exe
  • Size 288KB
  • Sample260710-wt45naet6p
  • SHA256 d038494d8e593fc3ce2d61c1f2337408c89c4246622d6b18cb00537c285fc641
  • 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 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.

  • 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\2026-07-10_2f227f24c6f73b1ea0505211ce9ba58d_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-10_2f227f24c6f73b1ea0505211ce9ba58d_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 336KB
        • SHA256 e180d9b3124a9b32400a0a8f7b258fa247df6fc44b0f585a5f2a3404651378a5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX1391.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX1391.tmp
        • Size 288KB
        • SHA256 33f7f8ec492d85dd1d5579e9311465701c5a3e61970fc754cc8cc6a3015747dd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX14F3.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX14F3.tmp
        • Size 288KB
        • SHA256 d9d3b86014a48f107ba425eef35950f46894413073ee10049fe6f9b1f2b2b8fb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        helper.exe
        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 336KB
        • SHA256 52ecd3b760bf35496f89e3ae8212da98658e4480694449e80f83287b3ef14128
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dotnet.exe
        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 288KB
        • SHA256 60879b02c0fce54e78a885b701742530f1446d425973bf64e45f9ecd9ae684ef
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download