Overview

overview

10

Static

static

10

tst.exe

windows10-2004-x64

10

tst.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    tst.exe
  • Size 50KB
  • Sample260913-r2nqeshj6v
  • SHA256 8f4a9090fd0bf84524a37788d3aeb40bfc0ed08c8f2674dfd2cf8373ae5e5ccd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratexecutionpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 19.tcp.vip.cpolar.cn:14527

Attributes
  • filename

    MasonUSB.exe

  • group

    MasonGroup

  • key

    6QaiKSLX3WTsYoPs

  • rat_name

    MasonRAT

Targets

    • Target
      tst.exe
    • Size 50KB
    • SHA256 8f4a9090fd0bf84524a37788d3aeb40bfc0ed08c8f2674dfd2cf8373ae5e5ccd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executionneptuneratpersistencetrojan

    • 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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks