Overview

overview

8

Static

static

3

MasonClient.exe

windows10-2004-x64

Sharing

Copy URL Twitter E-mail

General

  • Target
    MasonClient.exe
  • Size 50KB
  • Sample260709-n1gzpsaw5t
  • SHA256 df88abe2627f9973e97b758a49c9816e255fe4e47ea22ab1ca737de1ab4f4c2d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
bootkitdefense_evasiondiscoveryexecutionpersistencespywarestealer

Malware Config

Targets

    • Target
      MasonClient.exe
    • Size 50KB
    • SHA256 df88abe2627f9973e97b758a49c9816e255fe4e47ea22ab1ca737de1ab4f4c2d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    bootkitdefense_evasiondiscoveryexecutionpersistencespywarestealer

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks