Overview

overview

10

Static

static

10

MasonClien...mm.exe

windows10-2004-x64

10

MasonClien...mm.exe

windows10-ltsc_2021-x64

10

MasonClien...mm.exe

windows11-21h2-x64

10

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General

  • Target
    MasonClientmmmmmmm.exe
  • Size 42KB
  • Sample260731-2plqeahg63
  • SHA256 73bf9c9a7f57a87a02130bf0bf92ff630e1a61d9dde5b964c373f98d39003998
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

Attributes
  • filename

    MasonUSB.exe

  • group

    MasonGroup

  • key

    KN74zbJh2G6NUPmO

  • localhost

    127.0.0.1:3012

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClientmmmmmmm.exe
    • Size 42KB
    • SHA256 73bf9c9a7f57a87a02130bf0bf92ff630e1a61d9dde5b964c373f98d39003998
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionneptuneratpersistencetrojan

    • 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

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks