Analysis

  • user interaction
    yes
  • max time kernel
    0s
  • max time network
    11s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 19:52

General

  • Target
    xwormExploit.exe
  • Size 213KB
  • Sample260804-yllz8adk3t
  • SHA256 554b930e81f252ff6b23d84fa654514d141acf0a5382a5ca5c329347a9eb5b1c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • neptunerat

C2
  • imthereallord-36375.portmap.host:36375

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    EPWAUIaPJOtp2i6Q

  • rat_name

    MasonRAT

Signatures

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

  • Detects NeptuneRAT stealer 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

Processes

  • C:\Users\Admin\AppData\Local\Temp\xwormExploit.exe
    "C:\Users\Admin\AppData\Local\Temp\xwormExploit.exe"
    1⤵
      PID:5920
      • C:\Users\Admin\AppData\Local\Temp\77777.exe
        "C:\Users\Admin\AppData\Local\Temp\77777.exe"
        2⤵
          PID:6096

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            77777.exe

            • Path C:\Users\Admin\AppData\Local\Temp\77777.exe
            • Size 49KB
            • SHA256 7c079155502ec18d769f944229921c449d5941592e3848c1645bfcc7c7560e8d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/5920-0-0x00007FFD1D88F000-0x00007FFD1D890000-memory.dmp

            memory/5920-1-0x0000000000650000-0x000000000068C000-memory.dmp

            memory/5920-3-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/5920-4-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/5920-13-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-12-0x0000000000440000-0x0000000000452000-memory.dmp

            memory/6096-14-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-15-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-16-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-17-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-18-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-19-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-20-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp

            memory/6096-21-0x00007FFD1D700000-0x00007FFD1E0A4000-memory.dmp