Overview

overview

10

Static

static

3

MasonClien...ed.exe

windows10-ltsc_2021-x64

10

MasonClien...ed.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    MasonClient_protected.exe
  • Size 4.6MB
  • Sample260913-rdcm9azsh1
  • SHA256 3b4a28b0749747cff04263fd00aa2aa8a744a8d3e5c495979ac649a4ecdb9b33
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderneptuneratdiscoveryloadertrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • ita19cpssssss-47613.portmap.host:47613

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    Xj4y6bvIeBGhfNm6

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient_protected.exe
    • Size 4.6MB
    • SHA256 3b4a28b0749747cff04263fd00aa2aa8a744a8d3e5c495979ac649a4ecdb9b33
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverydonutloaderneptuneratloadertrojan

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks