Overview

overview

10

Static

static

3

2026-11-09...ra.exe

windows10-2004-x64

10

2026-11-09...ra.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-11-09_d31894de0faeb6fc5285fcb576467e99_akira
  • Size 1.3MB
  • Sample261109-wxts4aet2m
  • SHA256 6989dd138331fb0e0140e4ef030c9ee5aeda2ad008a01b9e310be69ed6492956
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptunerattrojan

Malware Config

Extracted

Family

  • neptunerat

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    wGY4EMoVX3sldLz9

  • private_ip

    192.168.18.8:1417

  • rat_name

    MasonRAT

Targets

    • Target
      2026-11-09_d31894de0faeb6fc5285fcb576467e99_akira
    • Size 1.3MB
    • SHA256 6989dd138331fb0e0140e4ef030c9ee5aeda2ad008a01b9e310be69ed6492956
    • 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
    • Custom signature

      Detects Windows executables referencing non-Windows User-Agents

    • Custom signature

      Detects executables containing URLs to raw contents of a Github gist

    • Contacts third-party web service commonly abused for C2

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks