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
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 00:59

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General

  • Target
    2026-07-13_8fb59ae34bc6d35b2894d9ab94dc4711_elex_rhadamanthys_smoke-loader.exe
  • Size 345KB
  • Sample260714-bcj3yaby2j
  • SHA256 18f41ad96689d1dead1e1f4d24b4a18e54d3a62e87e0b109c9aad0a222fe98e7
  • 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\2026-07-13_8fb59ae34bc6d35b2894d9ab94dc4711_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-13_8fb59ae34bc6d35b2894d9ab94dc4711_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:3472

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 329KB
        • SHA256 9cb9bf150d00d838b5ae2fdef14e857664246261d1e2cd76a607a1521a8444f0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX2E4D.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX2E4D.tmp
        • Size 288KB
        • SHA256 126f423a106a05dd143767eee3697742b098356e1d9ae617e25b4c43436d54d8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX30E8.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX30E8.tmp
        • Size 288KB
        • SHA256 9041c9c389313628c15e549ca3f00a72c59b831dcb809f0b0ee589f04e162e88
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        appletviewer.exe
        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 288KB
        • SHA256 7c99624324162e1cdf0ac5bccfc4b77b71f49294387e183b1321f4a8f982c89b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download