Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 03:32

General

  • Target
    MasonClient.exe
  • Size 47KB
  • Sample260813-d3pgfs1bqd
  • SHA256 0dbad4c665dbe4ef00fd7d42131ab5634f75ff75631b1a458d80492af16807b0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • neptunerat

C2
  • lildarkweb.ddns.net:6666

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    sgDYmv2d8qpPEqdp

  • rat_name

    MasonRAT

Signatures

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

  • Detects NeptuneRAT stealer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MasonClient.exe
    "C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5996

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5996-0-0x00007FFE8B8FF000-0x00007FFE8B900000-memory.dmp

        memory/5996-1-0x0000000000A10000-0x0000000000A22000-memory.dmp

        memory/5996-2-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/5996-3-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/5996-4-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/5996-5-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp