Overview

overview

10

Static

static

10

MasonClient.exe

windows10-ltsc_2021-x64

10

MasonClient.exe

windows10-2004-x64

10

MasonClient.exe

windows11-21h2-x64

10

MasonClient.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    MasonClient.exe
  • Size 48KB
  • Sample260922-ppn5baed44
  • SHA256 fc0adea25bb6d69cd39e31965e636dccf2e6819ca7f57c165cc880697c208cb2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptunerattrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • fduhgnduhgd-42552.portmap.host:42552

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    CP4ui5pzQwVVzj2d

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 48KB
    • SHA256 fc0adea25bb6d69cd39e31965e636dccf2e6819ca7f57c165cc880697c208cb2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    neptunerattrojan

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix

Tasks