Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '774c436b032debff81b816c2d0c0f164' = '"%TEMP%\system32.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '774c436b032debff81b816c2d0c0f164' = '"%TEMP%\system32.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\774c436b032debff81b816c2d0c0f164.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\system32.exe' = '%TEMP%\system32.exe:*:Enabled:system32.exe'
Creates and executes the following:
- '%TEMP%\system32.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\system32.exe" "system32.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\system32.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
- <SYSTEM32>\wbem\Performance\WmiApRpl.ini
Network activity:
Connects to:
- 'ba######assad1.no-ip.biz':5552
UDP:
- DNS ASK ba######assad1.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
