Overview

overview

10

Static

static

10

2026-11-04...er.exe

windows10-2004-x64

10

2026-11-04...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/11/2026, 00:08

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General

  • Target
    2026-11-04_763f4bc386c1c749fe2ca82b72d7cc52_elex_rhadamanthys_smoke-loader.exe
  • Size 1.1MB
  • Sample261106-afdvnavwdt
  • SHA256 bf4315ef8216aa8833bf9ec9d99b8fb3f28c518bf5afbf0bae184ae6690dc318
  • 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\2026-11-04_763f4bc386c1c749fe2ca82b72d7cc52_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-04_763f4bc386c1c749fe2ca82b72d7cc52_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:3588

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 1898ee0015b9b393f674baecba115a8583546fd76bd83aec12dd031bc22daf61
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX2DB6.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2DB6.tmp
        • Size 288KB
        • SHA256 b8f87decf76d1ac3f12c27c4b85460db9de7512059b0b696928511056b45ade4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX2DC7.tmp
        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX2DC7.tmp
        • Size 288KB
        • SHA256 286fd8ab722ae8de3631eab0f7684aba6fe895f19a54d7a4cd816812f622b5b8
        • 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 e2f703cb7d77a58fe6ea1472c5782ddc542ae5655fe38bbcba1f5f8118ac2867
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX2BCB.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX2BCB.tmp
        • Size 288KB
        • SHA256 afc2553ccdd41b5a65e9e3df65bbf6372e0f65d4767cbb8c701772fddc673d42
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 312KB
        • SHA256 de0fff125081d6a1570a8754bc5f4dc8799bab396ee5c47a18edce2b06116e18
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        chrome.exe
        • Path C:\Program Files\Google\Chrome\Application\chrome.exe
        • Size 1.5MB
        • SHA256 f4a47a0e912faff8ebfe0a96a0b205ec4560d8d110f8031a915ae3fcc4ffd2bf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download