Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 14:08

General

  • Target
    2026-09-08_9bb60077e2dc2b51d972e5b6e717a77e_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260908-rfqb5asaqa
  • SHA256 af4b026652627e56d6bb64e5077106e7feb61df9953f430dcafc3ccc9ea63478
  • 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\2026-09-08_9bb60077e2dc2b51d972e5b6e717a77e_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-08_9bb60077e2dc2b51d972e5b6e717a77e_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4560

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 322KB
        • SHA256 44db954e753d028662ae5f982e15618fbdc63e624178600c9e4f18b98487de90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7E13.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX7E13.tmp
        • Size 284KB
        • SHA256 7788440afd56c763960970de4a0c15e328b64034a74e68bb7b8a500a48bc41bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX7FB4.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX7FB4.tmp
        • Size 284KB
        • SHA256 1643739ad8673026c6021c532871005fed0d32b69362b1d64a4d712bd7013083
        • MD5 SHA1 SHA512 SSDEEP TLSH