Overview

overview

10

Static

static

10

2026-08-11...er.exe

windows10-2004-x64

10

2026-08-11...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/08/2026, 22:32

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General

  • Target
    2026-08-11_8dabaefcdd5038688473578c9b14c0d0_elex_rhadamanthys_smoke-loader.exe
  • Size 355KB
  • Sample260811-2gebcshb26
  • SHA256 2a52532e330bfc76318be45c3f9cf78979c85c98607f03bec0c71a627e3b4cfb
  • 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 7 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\2026-08-11_8dabaefcdd5038688473578c9b14c0d0_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-11_8dabaefcdd5038688473578c9b14c0d0_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:3324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 324KB
        • SHA256 1c96f9c72b00e2682780ad6053beda5c7401d9533a12259a0b9b93f1d91ade4b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setup.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe
        • Size 1.5MB
        • SHA256 22a9912dbe6e259ecde5abe8889badfec86198d8fc44d12d07802a762090dfc5
        • 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 169b1dcec5bd45f32cefcf84ae205b8c73273990acaa62cdd15b84f7249b4929
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        elevated_tracing_service.exe
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe
        • Size 1.5MB
        • SHA256 8049c81c7dff7a9e20f67a40997f037334bc77bbe4d72edd0efa12f2f3397cf1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 344KB
        • SHA256 648c5b3026ceb461144bd91d3fd52513dfad85f1672c5018a095387d70a1f85d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 344KB
        • SHA256 255828bcb666061f09f0e9bc3ba6a745e03b02d6d66e55a9d69fbe439eeb760a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        appletviewer.exe
        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 288KB
        • SHA256 cc12b0544a60ea40a2c6857b436038e783480d8a6983b02b1e407097b025a107
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download