Overview

overview

10

Static

static

10

MasonClient.exe

windows10-2004-x64

10

MasonClient.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    MasonClient.exe
  • Size 1.6MB
  • Sample261102-dj4f9sea34
  • SHA256 97e44dcd27124f2785492130e20e3be25fd71f237a8856a5a9b48ce511dc28b0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdiscoverytrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 23.tcp.cpolar.top:12649

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    JQWNoouRqGMSFLGi

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 1.6MB
    • SHA256 97e44dcd27124f2785492130e20e3be25fd71f237a8856a5a9b48ce511dc28b0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryneptunerattrojan

    • Detects NeptuneRAT stealer

    • 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