Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 19:09

General

  • Target
    2026-10-22_d335adad023e88c4ebebfc51e99a0416_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample261023-xt58dsdt2x
  • SHA256 cf0cbc21a2111e5ed52295d35587d892c9112ddcd47991822ca1da57a9a306bb
  • 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\2026-10-22_d335adad023e88c4ebebfc51e99a0416_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_d335adad023e88c4ebebfc51e99a0416_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4608

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 331KB
        • SHA256 f6fbdc0d4eac3fd261d6bb1a7513661e045fa774b8a7a3505a127e5a75a09c7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX20C6.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX20C6.tmp
        • Size 284KB
        • SHA256 66e314170bb61f05c9e6652c292d37b28cc3d610067278df8617a74dae23c03d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX20D6.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX20D6.tmp
        • Size 284KB
        • SHA256 7a9766fba8a79172aa31b4aead1b3ba381c11555e88eb6d302e9b124bf246d9c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1EEB.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX1EEB.tmp
        • Size 284KB
        • SHA256 0e74ae0c31c17e3b8a2bc8e2dc6003a7a67d0b3c07181dec30b259d4f62f99f0
        • MD5 SHA1 SHA512 SSDEEP TLSH