Overview

overview

10

Static

static

1

MasonClient.7z

windows10-2004-x64

10

MasonClient.7z

windows11-ltsc_2024-x64

1

Resubmissions

09/08/2026, 14:37

260809-rzgjbssygv

09/08/2026, 14:36

260809-ryxh6asyew10

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General

  • Target
    MasonClient.7z
  • Size 18KB
  • Sample260809-ryxh6asyew
  • SHA256 b1af17459208e3edb8d66ea3f85a9e31424e343befff2757d9f93532a2c9867d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptunerattrojan

Malware Config

Extracted

Family

  • neptunerat

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    YiXLtbqs1pPtwc4t

  • localhost

    127.0.0.1:1417

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.7z
    • Size 18KB
    • SHA256 b1af17459208e3edb8d66ea3f85a9e31424e343befff2757d9f93532a2c9867d
    • 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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks