Overview

overview

10

Static

static

10

MasonClient.exe

windows10-ltsc_2021-x64

10

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General

  • Target
    MasonClient.exe
  • Size 49KB
  • Sample260801-e7l3kadf99
  • SHA256 0c362924ba3ba13195c97c37e6d20d916aa46b5de1417060addc18cf8b09cc30
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 31.6.50.206:2013

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    Pifya1s7UUoG19m0

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 49KB
    • SHA256 0c362924ba3ba13195c97c37e6d20d916aa46b5de1417060addc18cf8b09cc30
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    neptuneratpersistencetrojan

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat

    • 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