Overview

overview

10

Static

static

3

6565767.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    6565767.exe
  • Size 85KB
  • Sample261023-h473eacd75
  • SHA256 88e1853e1e560295fcbbbb14b2fc65ab600693f57ab3059abe31fe3345d9f625
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderneptuneratdefense_evasiondiscoveryexecutionloaderpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • m7mnga-38338.portmap.host:38338

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    48IPZiPizPUjoyzg

  • rat_name

    MasonRAT

Targets

    • Target
      6565767.exe
    • Size 85KB
    • SHA256 88e1853e1e560295fcbbbb14b2fc65ab600693f57ab3059abe31fe3345d9f625
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiondonutloaderneptuneratloaderpersistencetrojan

    • Detects DonutLoader

      loader

    • Detects NeptuneRAT stealer

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks