Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'Peter Kiewit Sons'' = '%APPDATA%\Peter Kiewit Sons'\Peter Kiewit Sons'.exe'
Malicious functions
Searches for registry branches where third party applications store passwords
- [HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions]
- [HKCU\Software\FTPWare\COREFTP\Sites]
- [HKCU\Software\Paltalk]
- [HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\FTP Commander]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\mozilla\firefox\profiles.ini
- %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
- %APPDATA%\peter kiewit sons'\peter kiewit sons'.exe
- %TEMP%\ku9.exe
Network activity
Connects to
- 'ch####p.dyndns.org':80
TCP
HTTP GET requests
- http://ch####p.dyndns.org/
UDP
- DNS ASK ch####p.dyndns.org
Miscellaneous
Creates and executes the following
- '%TEMP%\ku9.exe' <Full path to file>
Restarts the analyzed sample
