Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 17:55

General

  • Target
    2026-07-30_35eaa13d8c08fe7937aeddff73fdc829_elex_rhadamanthys_smoke-loader.exe
  • Size 704KB
  • Sample260730-wht6baxtaz
  • SHA256 ff248454659615d37be6a3c4485c9e15e9515dba552b792b25b6acd34d89148c
  • 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\2026-07-30_35eaa13d8c08fe7937aeddff73fdc829_elex_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_35eaa13d8c08fe7937aeddff73fdc829_elex_rhadamanthys_smoke-loader.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 324KB
        • SHA256 0121890b08f465bef7bb11e56575399edc3129892d236908de4c4786c7e4aebd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8508.tmp

        • Path C:\Program Files\Google\Chrome\Application\RCX8508.tmp
        • Size 288KB
        • SHA256 492c2bd28ef06bad3c973f23539c0fed6f56e94553f69453a0fec8fbd5223c0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX885E.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX885E.tmp
        • Size 288KB
        • SHA256 be5a967ad906edc0ef07ee9b0fd079e1f9b96cca6340cec7823e5d0467eea619
        • MD5 SHA1 SHA512 SSDEEP TLSH

        appletviewer.exe

        • Path C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe
        • Size 288KB
        • SHA256 ea0e8f2cbac8fb9eefa2cb4f04aec126833b60aa4a3bec745ac281cbf99a940a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jabswitch.exe

        • Path C:\Program Files\Java\jre-1.8\bin\jabswitch.exe
        • Size 288KB
        • SHA256 bcfa2ba1ce2239e103d94cb05acc64389bf47cbaf54afa88f4e7d95e002e3d70
        • MD5 SHA1 SHA512 SSDEEP TLSH