General

  • Target
    gdfgdg.exe
  • Size 84KB
  • Sample260731-extdwstera
  • SHA256 10f66c0976b2b2ccb8e0531c303c4f961c6033444581b599ae6d4799db30bac9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • 12.tcp.vip.cpolar.cn::10341

Attributes
  • filename

    MasonUSB.exe

  • group

    MasonGroup

  • key

    ZnZPVDvIEZw45FSy

  • rat_name

    MasonRAT

Targets

    • Target
      gdfgdg.exe
    • Size 84KB
    • SHA256 10f66c0976b2b2ccb8e0531c303c4f961c6033444581b599ae6d4799db30bac9
    • 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

MITRE ATT&CK Enterprise v16

Tasks