Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\cacls.url
Malicious functions
Executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe
Modifies file system
Creates the following files
- %HOMEPATH%\cacls\cacls.vbs
- %HOMEPATH%\cacls\igfxem.exe
Network activity
Connects to
- 're####sfh.kro.kr':8999
UDP
- DNS ASK re####sfh.kro.kr
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe'
