General

  • Target
    https://cdn.discordapp.com/attachments/1545491902604910615/1547582615404417084/a.exe?ex=6aa3f220&is=6aa2a0a0&hm=f4cffa2a021c04479ef2387865bf27a245ab1b04bce081164a5189598fd92b94&
  • Sample260910-pjadzawxcz

Malware Config

Extracted

Family
  • neptunerat

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    cNhhugNXVXJ7qlOG

  • localhost

    127.0.0.1:1417

  • rat_name

    MasonRAT

Targets

    • Target
      https://cdn.discordapp.com/attachments/1545491902604910615/1547582615404417084/a.exe?ex=6aa3f220&is=6aa2a0a0&hm=f4cffa2a021c04479ef2387865bf27a245ab1b04bce081164a5189598fd92b94&
    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

    • Downloads MZ/PE file

    • 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