General

  • Target
    Systems.exe
  • Size 88KB
  • Sample260811-kcanyadd54
  • SHA256 149726b7f81a67a5f98a7cf6f58b6c52f786a29e5c06321b504b387264ccd51f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • 92.99.93.184:6767

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    HHtOAIVB8ELpXuCq

  • rat_name

    MasonRAT

Targets

    • Target
      Systems.exe
    • Size 88KB
    • SHA256 149726b7f81a67a5f98a7cf6f58b6c52f786a29e5c06321b504b387264ccd51f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Detects NeptuneRAT stealer

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v16

Tasks