Overview

overview

10

Static

static

10

svchostt.exe

windows10-2004-x64

10

svchostt.exe

windows10-ltsc_2021-x64

10

svchostt.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    svchostt.exe
  • Size 49KB
  • Sample261113-yvanjsfs4l
  • SHA256 0bdd762d663355e0b4ce4fa047b288677d9356d18bac89fca0d53eb9102c2bdd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdefense_evasiondiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 5.tcp.cpolar.cn:14164

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    sD0GMEyJQOgqQ8xw

  • rat_name

    MasonRAT

Targets

    • Target
      svchostt.exe
    • Size 49KB
    • SHA256 0bdd762d663355e0b4ce4fa047b288677d9356d18bac89fca0d53eb9102c2bdd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionneptuneratpersistencetrojan

    • 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
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks