Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 04:34

General

  • Target
    2026-08-10_8161826629f9020c92463e050f7bfc54_elex_rhadamanthys_smoke-loader.exe
  • Size 1.4MB
  • Sample260810-e7kjqs1ejd
  • SHA256 ecbd36eedfa49ac7ca36b9b9cae6d75077b4749f6b85c97ec7d689065669bccb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • Detects Cosmu payload 4 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\2026-08-10_8161826629f9020c92463e050f7bfc54_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_8161826629f9020c92463e050f7bfc54_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 337KB
        • SHA256 c84d53e4d560eb7b71b682e3c7052a1229d3149a2d8287b22741b76400fe1060
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3959.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX3959.tmp
        • Size 288KB
        • SHA256 a230347b10e8a13e64c9228068d231d71c35800a68227be62ed356ccfe21ec39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3ABB.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX3ABB.tmp
        • Size 288KB
        • SHA256 9a83780990b9f7cf9a82b7734520fb6a1c6cb64b153f69bc1dffe27ef5579d4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe

        • Path C:\Program Files\dotnet\dotnet.exe
        • Size 332KB
        • SHA256 1c128f768e857870c933479ed29c4f3f497305369841edc7604283a261bba685
        • MD5 SHA1 SHA512 SSDEEP TLSH