General

  • Target
    FACEIT_Installer64.exe
  • Size 110.5MB
  • Sample261024-cwr4bshs7p
  • SHA256 edd25a6ba1f0a6057f07ba81f90772ca1db7e51e3b246d476a1bce2a31b64e5d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      FACEIT_Installer64.exe
    • Size 110.5MB
    • SHA256 edd25a6ba1f0a6057f07ba81f90772ca1db7e51e3b246d476a1bce2a31b64e5d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Deletes system backups

      Uses wbadmin.exe to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Stops running service(s)

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks