General

  • Target
    oioi.exe
  • Size 15.9MB
  • Sample260705-wkpcvaat8p
  • SHA256 248556f6d6b0e6979972833957caec666d31af74985cbb14877fc6e7d1b74f87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      oioi.exe
    • Size 15.9MB
    • SHA256 248556f6d6b0e6979972833957caec666d31af74985cbb14877fc6e7d1b74f87
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Enumerates connected drives

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

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks