Analysis

  • max time kernel
    148s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 03:58

General

  • Target
    2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader.exe
  • Size 288KB
  • Sample261024-ejqqvawz6n
  • SHA256 578c66aa4e467a9e0560863ce32f4c4c68df511b843148e0094d1fc453dd0cda
  • 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_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_968e2820218bae6b45a5a2ec0a6cfe49_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:2364

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 340KB
        • SHA256 b575c097b189d5a3380677f72adddf41f86999ce3c26e0b027efa4d8bcf44293
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX38D2.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX38D2.tmp
        • Size 288KB
        • SHA256 a1168790c99850ecd42bb12599fd757f5a4245e1e904c9f4054fbc06210392d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX38E3.tmp

        • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\RCX38E3.tmp
        • Size 288KB
        • SHA256 b52f5a7bb1297503373eaa16ed9081b288c66c3739eb54b7eb71d8a5a7250fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX37D2.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX37D2.tmp
        • Size 288KB
        • SHA256 ce0fa3c35564d69ca6d5fdc9a8a52384290c50b0a350c4ff0989b15eddb664c3
        • MD5 SHA1 SHA512 SSDEEP TLSH