Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 20:30

General

  • Target
    2026-07-02_65d4c22ecb9435be2dedd85b0e401516_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260702-zaangsa16p
  • SHA256 c417c2b08a33e7abd4979d9725f953e2967b6d3c44f1b3f31aec245b4a2c3bea
  • 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\2026-07-02_65d4c22ecb9435be2dedd85b0e401516_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_65d4c22ecb9435be2dedd85b0e401516_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:5892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 330KB
        • SHA256 f17c58800b8b737810cb266327bbcc97e2dd06a7ca4e4fd4a890272177c271ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 330KB
        • SHA256 97dd04e2e4eac27be10b9042bce51502733ae63fb0eba4881b10c06697c6a2cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE2AE.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXE2AE.tmp
        • Size 284KB
        • SHA256 570a954ecd3f317426f25c1b1b4cb5983a587e7336dff176ddc2f910b6a82b21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE4AC.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXE4AC.tmp
        • Size 284KB
        • SHA256 ca96b3417437c0f51293a09dcf4a2eeb17a1e5d23bb4ee57ad76799052aa79dd
        • MD5 SHA1 SHA512 SSDEEP TLSH