Analysis

  • max time kernel
    148s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/08/2026, 03:58

General

  • Target
    2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader.exe
  • Size 312KB
  • Sample260824-ejptjsxzfx
  • SHA256 60d7bca6203f86cf3637e81e8a41827f9227dae1c6e31ddd959c0b68f65dd354
  • 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\2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_9c7808cd2d0f38cbdcb0bd655bcfac2a_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 332KB
        • SHA256 117a8f476a1a2247ce9b6bd2f604261c1156a2ecce3c7b1dc859e97110d555c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD475.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXD475.tmp
        • Size 288KB
        • SHA256 af88470ebceb52e5fe1be5dc50e32f335332ed7a3dd60dc194037248f1cfbd46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD589.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXD589.tmp
        • Size 288KB
        • SHA256 c3d32f97a555fed7021eaf46e1a6459e9efaa3e94943550f6e881ee24ee0ceb8
        • MD5 SHA1 SHA512 SSDEEP TLSH