Technical Information
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\caspol.exe
Searches for registry branches where third party applications store passwords
- [HKCU\Software\LinasFTP\Site Manager]
- [HKCU\Software\FlashPeak\BlazeFtp\Settings]
- [HKCU\Software\Ghisler\Total Commander]
- [HKCU\Software\Far\Plugins\FTP\Hosts]
- [HKCU\Software\Far2\Plugins\FTP\Hosts]
- [HKCU\Software\VanDyke\SecureFX]
- [HKLM\Software\Wow6432Node\NCH Software\Fling\Accounts]
- [HKCU\Software\NCH Software\Fling\Accounts]
- [HKLM\Software\Wow6432Node\NCH Software\ClassicFTP\FTPAccounts]
- [HKCU\Software\NCH Software\ClassicFTP\FTPAccounts]
- [HKCU\Software\SimonTatham\PuTTY\Sessions]
- [HKLM\Software\Wow6432Node\SimonTatham\PuTTY\Sessions]
- [HKCU\Software\Martin Prikryl]
- [HKLM\Software\Wow6432Node\Martin Prikryl]
- [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %APPDATA%\173c88\822f3d.lck
Deletes the following files
- %APPDATA%\173c88\822f3d.lck
Moves the following system files
- from %WINDIR%\microsoft.net\framework\v4.0.30319\caspol.exe to %APPDATA%\173c88\822f3d.exe
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-3150914307-1777937420-491476919-1000\f58155b4b1d5a524ca0261c3ee99fb50_d99ef00b-ccd3-4f1d-9980-90ac453b0b47
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-3150914307-1777937420-491476919-1000\f58155b4b1d5a524ca0261c3ee99fb50_d99ef00b-ccd3-4f1d-9980-90ac453b0b47
Network activity
Connects to
- 'tr###st.click':80
TCP
HTTP POST requests
- http://tr###st.click/Lchost/PWS/fre.php
UDP
- DNS ASK tr###st.click
Miscellaneous
Executes the following
- '%WINDIR%\microsoft.net\framework\v4.0.30319\caspol.exe'
