Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\RunOnce] 'Stv3' = '%HOMEPATH%\REGL\Wer4.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\udp subsystem
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe
Modifies file system
Creates the following files
- %HOMEPATH%\regl\wer4.exe
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\run.dat
- %TEMP%\tmpf3ca.tmp
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\task.dat
Deletes the following files
- %TEMP%\tmpf3ca.tmp
Network activity
Connects to
- 'sn####20.ddns.net':1996
TCP
- 'drive.google.com':443
- 'do#########ocs.googleusercontent.com':443
UDP
- DNS ASK drive.google.com
- DNS ASK do#########ocs.googleusercontent.com
- DNS ASK sn####20.ddns.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe' ' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\regasm.exe'
- '%WINDIR%\syswow64\schtasks.exe' /create /f /tn "UDP Subsystem" /xml "%TEMP%\tmpF3CA.tmp"
