Overview

overview

10

Static

static

10

2026-07-17...ys.exe

windows10-2004-x64

10

2026-07-17...ys.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 04:25

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General

  • Target
    2026-07-17_2dd9d332592d1aeadcf089ccd03623e3_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe
  • Size 760KB
  • Sample260718-e18yrabv5w
  • SHA256 84b42b986d3a9f951cc59011b79639d545cbfd89df7ae0a0294a55c13c839b28
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverycosmuworm

Malware Config

Signatures

  • Family: Cosmu

    Cosmu is a Windows worm written in C++.

    wormcosmu
  • 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.

    discovery

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-17_2dd9d332592d1aeadcf089ccd03623e3_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_2dd9d332592d1aeadcf089ccd03623e3_cobalt-strike_elex_icedid_njrat_rhadamanthys.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:4552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7z.exe
        • Path C:\Program Files\7-Zip\7z.exe
        • Size 760KB
        • SHA256 e3c486558d659d31cffa7cde9d2dfe511e694a740aacafef37fd5d6303cae262
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX483E.tmp
        • Path C:\Program Files\Google\Chrome\Application\RCX483E.tmp
        • Size 760KB
        • SHA256 4f7f66fadf853ec219fd41a2454043d948390b7fa22cde8dfcfc42e0809a0122
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX49DE.tmp
        • Path C:\Program Files\Java\jdk-1.8\bin\RCX49DE.tmp
        • Size 760KB
        • SHA256 eb261a629aa1c406e110d595971f5849e0488ca36d9c3e481e88c180efb360b4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        helper.exe
        • Path C:\Program Files\Mozilla Firefox\uninstall\helper.exe
        • Size 830KB
        • SHA256 ff58d1391a66da58a5645c8796561822d2dc4883ecad3303f9f3460a9f87516d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download