Overview

overview

10

Static

static

3

MasonClient.exe

windows11-ltsc_2024-x64

10

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General

  • Target
    MasonClient.exe
  • Size 87KB
  • Sample260811-1p2k7agh66
  • SHA256 403e9ff5636a657d0b5db18fb68c31b2a5d8e3ccff78e5326721ba1202496374
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderneptuneratexecutionloaderpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • euezbqytds.localto.net:1648:4444

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    sF1YQGNJlN6358nd

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 87KB
    • SHA256 403e9ff5636a657d0b5db18fb68c31b2a5d8e3ccff78e5326721ba1202496374
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executiondonutloaderneptuneratloaderpersistencetrojan

    • Detects DonutLoader

      loader

    • Detects NeptuneRAT stealer

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks