Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 09:47

General

  • Target
    2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader.exe
  • Size 337KB
  • Sample260814-lsbfvazhnd
  • SHA256 f207ee053631edcaabc1913e591870dcc109a4d88f5c7d25d37f6d841cd50445
  • 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\2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_b0dd44498ed39795910d40c92c9e6942_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1196

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 328KB
        • SHA256 6093bc1cbbfc809344fd2cb5cf4f50dbf9ba293fad3f7f4906f4ca140c589770
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7zFM.exe

        • Path C:\Program Files\7-Zip\7zFM.exe
        • Size 336KB
        • SHA256 f205bbf7794ddf1bcf35bb0b17670011372045e43425cda2529790a8592d3f69
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXF0D.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCXF0D.tmp
        • Size 284KB
        • SHA256 e6bb2cb0242a67ce5b81eaae7006f7c1c649237c93d0c56bd93d3d1cb9807075
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1060.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX1060.tmp
        • Size 284KB
        • SHA256 c6e40430bb67749359698a3d3c7ffc78b01be7d55a8b643f8ec5b41bfe6883d6
        • MD5 SHA1 SHA512 SSDEEP TLSH