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
  • max time network
    110s
  • 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, 01:04

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General

  • Target
    2026-07-14_24e8dbddf2d6cff6ecd70eba9c5c1caa_elex_rhadamanthys_smoke-loader.exe
  • Size 2.1MB
  • Sample260715-bfe86abv6w
  • SHA256 b7fcd6d8a0d7e5797f07497731f04e443c20f278f16b0305f6327915e4a3f712
  • 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_24e8dbddf2d6cff6ecd70eba9c5c1caa_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-14_24e8dbddf2d6cff6ecd70eba9c5c1caa_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:5444

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 5bbbb2c85156e70822b88640e17c7669dd273cbb02fc8806d645fac4afa43fe3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXDD69.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCXDD69.tmp
        • Size 284KB
        • SHA256 723b5eefec44709e0cd862c8301749ecd94807e4a6db4297b33a59022d8520a2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome_proxy.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome_proxy.exe
        • Size 329KB
        • SHA256 d2ec5e25215a71b6c1d554c5f1777602c58daa0c5db33271250ebb77fc7bc390
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXDE7D.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCXDE7D.tmp
        • Size 284KB
        • SHA256 e01a8915dbeec76952bea4a83c16de64fcec39d3bc7e99c004423f9543683356
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download