General

  • Target
    oioi.exe
  • Size 77.6MB
  • Sample260714-cslgdaex8s
  • SHA256 60f441ab90dae5b786b7b86c6ac04721f987792727c05d882c6c9577fcd327af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      oioi.exe
    • Size 77.6MB
    • SHA256 60f441ab90dae5b786b7b86c6ac04721f987792727c05d882c6c9577fcd327af
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Command and Scripting Interpreter: PowerShell

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

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Disables automatic submission of suspicious files to Microsoft by Windows Defender

      Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

    • Hide Artifacts: Hidden Files and Directories

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks