Overview

overview

10

Static

static

10

2026-08-21...er.exe

windows10-2004-x64

10

2026-08-21...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 04:10

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-08-21_98dc8f9d56e42aa141e14ab8f88cf21c_elex_rhadamanthys_smoke-loader.exe
  • Size 1.5MB
  • Sample260821-ermddsgk41
  • SHA256 199fca1f8746413d2fc0c2b5297d19b6c1c719679d1471c24fb0055ca075c7a2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • Detects Cosmu payload 3 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.

  • Drops file in Program Files directory 64 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_98dc8f9d56e42aa141e14ab8f88cf21c_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_98dc8f9d56e42aa141e14ab8f88cf21c_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 340KB
        • SHA256 263ad9a1518fa02b0defcaba77ab3fbcfc755827885a326151d33c7d1d83aded
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXE30B.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCXE30B.tmp
        • Size 288KB
        • SHA256 fc2522ca37effd6d88f95476c169f9dc93f3a5edbabe8a9273e76d578131f809
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXE43F.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCXE43F.tmp
        • Size 288KB
        • SHA256 28a92b2b0d547b2dc153e5fcce3766828fc286d32baeb19ab91f73cbc58fdf92
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download