Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 04:08

General

  • Target
    2026-08-21_9df7ce19a452f753322babb1f1cffb78_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260821-eqfjfsseqc
  • SHA256 4d9e04711ee4f42afcd61c983678c3444402f053ad5e71650d6cd8ea1aeb611b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_9df7ce19a452f753322babb1f1cffb78_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_9df7ce19a452f753322babb1f1cffb78_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3096

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 336KB
        • SHA256 cce4e8e898a1410a1e237d13ce9b3475ee6b3a36c3c9c6d2692148f8a2d13112
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8E3.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX8E3.tmp
        • Size 284KB
        • SHA256 fdffdfb338e58137daa9fbccdbf313ac07e700e0fe4e0a73f968142433bea58d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA74.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXA74.tmp
        • Size 284KB
        • SHA256 8b950a060db23aafec9d5d73a2c26c673e117b8d09b2955da0a34eb03b9b7804
        • MD5 SHA1 SHA512 SSDEEP TLSH