General

  • Target
    jkjkjkjkjkjkjk.exe
  • Size 49KB
  • Sample260721-zhst2ahn7x
  • SHA256 eb5ef0026d3daf3f76486c299d3e6fc147929baa36f048c27f71b65b3e29b9bc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • 31.57.97.134:4444

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    HVVL1jFpI1ZGA9Ca

  • rat_name

    MasonRAT

Targets

    • Target
      jkjkjkjkjkjkjk.exe
    • Size 49KB
    • SHA256 eb5ef0026d3daf3f76486c299d3e6fc147929baa36f048c27f71b65b3e29b9bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

    • Disables Task Manager via registry modification

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Contacts third-party web service commonly abused for C2

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v16

Tasks