General

  • Target
    MasonClient.exe
  • Size 50KB
  • Sample260927-e62rma1sdz
  • SHA256 79d94605086bb82f31ce24ec0bf6bae92865031bc2539269b2b39c4628c7b30f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • 193.161.193.99:876

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    3dkbTKB8OrzIdMEj

  • rat_name

    MasonRAT

Targets

    • Target
      MasonClient.exe
    • Size 50KB
    • SHA256 79d94605086bb82f31ce24ec0bf6bae92865031bc2539269b2b39c4628c7b30f
    • 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