Analysis

  • max time kernel
    148s
  • max time network
    131s
  • 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, 10:33

General

  • Target
    2026-08-14_3c276a69aa314ba47750ce14baefa32e_elex_rhadamanthys_smoke-loader.exe
  • Size 284KB
  • Sample260814-mlv3ca11ew
  • SHA256 4d76e29a191e0ab7867000acfe0d78a9191a83a1f15040d40fa8ceb1a859c214
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

  • Detects Cosmu payload 5 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_3c276a69aa314ba47750ce14baefa32e_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_3c276a69aa314ba47750ce14baefa32e_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3212

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 319KB
        • SHA256 bc2a975139df69396db5a4db5b080528593aba1a710763fef223f77926d1e7e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppVShNotify.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe
        • Size 284KB
        • SHA256 c8928bdd84384cc3d693ef5fcf2a180cb7941cc3b58e28677efa2ba3c81bdd89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3E5A.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX3E5A.tmp
        • Size 284KB
        • SHA256 814b8db7a6c066bb9243f7fa24c49838ff90fb702f37167a80ebb2026374d2d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3FCC.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX3FCC.tmp
        • Size 284KB
        • SHA256 26d543d99b4cd48aaca8ec4b63e188f6d1df5da17ae0e709f19da125270e0e03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
        • Size 284KB
        • SHA256 e7b61c0e4aaeacd5f3e0d291632bd3113b01667c257b69ea3f1545b4e4555c83
        • MD5 SHA1 SHA512 SSDEEP TLSH