General

  • Target
    MasonClient.exe
  • Size 50KB
  • Sample260811-hnee6atzay
  • SHA256 b7e9fa17ec081e6a38de790aaa31ec76e0ca3a3dabcb0ca0786a83995cf4fc67
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • openport.io:17358

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    1vKs0dUnxy4gCgqy

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 50KB
    • SHA256 b7e9fa17ec081e6a38de790aaa31ec76e0ca3a3dabcb0ca0786a83995cf4fc67
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v16

Tasks