Overview

overview

10

Static

static

10

MasonC1111...nt.exe

windows10-2004-x64

10

MasonC1111...nt.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    MasonC1111111111111111111111lient.exe
  • Size 48KB
  • Sample261109-hmzppsax6v
  • SHA256 f7237acfe84e47e71a284a0e0853cf6270aa0bc7588282cda0bb9ef4707809a8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • neptunerat

C2

  • 31.tcp.cpolar.top:10754

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    W843ZgAioNkcolIx

  • rat_name

    MasonRAT

Targets

    • Target
      MasonC1111111111111111111111lient.exe
    • Size 48KB
    • SHA256 f7237acfe84e47e71a284a0e0853cf6270aa0bc7588282cda0bb9ef4707809a8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionneptuneratpersistencetrojan

    • Detects NeptuneRAT stealer

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks