Overview

overview

10

Static

static

10

mas.exe

windows10-2004-x64

10

mas.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    mas.exe
  • Size 51KB
  • Sample260811-y54dlsge75
  • SHA256 8a4a07a1ded523ea0c032d8175a7008068854e72c19fff07ae4adaf000c8b4fb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratadwareexecutionpersistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 27.tcp.cpolar.top:12858

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    vvLTVB5rsqVMlRpU

  • rat_name

    MasonRAT

Targets

    • Target
      mas.exe
    • Size 51KB
    • SHA256 8a4a07a1ded523ea0c032d8175a7008068854e72c19fff07ae4adaf000c8b4fb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionneptuneratpersistencetrojanadwareransomwarespyware

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks