General

  • Target
    pixelsurf.cfg
  • Size 3KB
  • Sample260713-1trlsahv2l
  • SHA256 85f523a9f7fb53b88a2c9d3e3f42e968d15d750fb0915edfaf65da3041701f96
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      pixelsurf.cfg
    • Size 3KB
    • SHA256 85f523a9f7fb53b88a2c9d3e3f42e968d15d750fb0915edfaf65da3041701f96
    • MD5 SHA1 SHA512 TLSH
    • Downloads MZ/PE file

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Probable phishing domain

MITRE ATT&CK Enterprise v16

Tasks