General

  • Target
    xwormExploit.exe
  • Size 213KB
  • Sample260804-yllz8adk3t
  • SHA256 554b930e81f252ff6b23d84fa654514d141acf0a5382a5ca5c329347a9eb5b1c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • neptunerat

C2
  • imthereallord-36375.portmap.host:36375

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    EPWAUIaPJOtp2i6Q

  • rat_name

    MasonRAT

Targets

    • Target
      xwormExploit.exe
    • Size 213KB
    • SHA256 554b930e81f252ff6b23d84fa654514d141acf0a5382a5ca5c329347a9eb5b1c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks