Overview

overview

10

Static

static

10

dd.exe

windows10-2004-x64

10

dd.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    dd.exe
  • Size 51KB
  • Sample260821-xvc81abl2s
  • SHA256 ab318f0ac6a7730334ebf66b00efb829d78a6bdd37d9f559a9182f1fd1175563
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwarespywarestealertrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 27.tcp.cpolar.top:11721

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    ztGhaCbF1fhhzhhB

  • rat_name

    MasonRAT

Targets

    • Target
      dd.exe
    • Size 51KB
    • SHA256 ab318f0ac6a7730334ebf66b00efb829d78a6bdd37d9f559a9182f1fd1175563
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionneptuneratpersistenceprivilege_escalationransomwarespywarestealertrojan

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks