Overview

overview

10

Static

static

10

2026-11-01...er.exe

windows10-2004-x64

10

2026-11-01...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 01:41

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General

  • Target
    2026-11-01_fd469acb33afb679a9865626ad8c6fa2_elex_rhadamanthys_smoke-loader.exe
  • Size 1.5MB
  • Sample261102-b34v2aztft
  • SHA256 537c29a054713581a273d58f138f1f0673ff8a69a97e7b8bb0d3d53df1fa1ecd
  • 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 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.

  • 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\2026-11-01_fd469acb33afb679a9865626ad8c6fa2_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_fd469acb33afb679a9865626ad8c6fa2_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:4480
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1028

    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 054b4fba10b029f4bb4098e53de39a49970878c66000a061a669e7049994ca67
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          RCX47B6.tmp
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX47B6.tmp
          • Size 284KB
          • SHA256 b6b26ff09e272b7de2c4b1c2def136eb3f9ed3a4bcd1a37ed17d65375e30c0dc
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          RCX47B7.tmp
          • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX47B7.tmp
          • Size 284KB
          • SHA256 eaa5ba00d61ee22b7cea9a5e4c698b3a0c51bf7914a8c82a328d33225c8db9f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          RCX4658.tmp
          • Path C:\Program Files\Google\Chrome\Application\RCX4658.tmp
          • Size 284KB
          • SHA256 e8073694b9ef117151eb65ce184a53ef209d092e5699723568b6c4b19378c1d0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          chrome.exe
          • Path C:\Program Files\Google\Chrome\Application\chrome.exe
          • Size 1.5MB
          • SHA256 87df3e7f88470b1091025e33fa9a8ab7516c81869a0cb5ab7ce433e8638f1042
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download