Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = 'C:\RECYCLER\S-1-5-21-0513033745-3355766896-364207038-6226\winsystem.exe'
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\ctfmon.exe
- %WINDIR%\Explorer.EXE
Modifies file system:
Creates the following files:
- C:\RECYCLER\S-1-5-21-0513033745-3355766896-364207038-6226\winsystem.exe
- C:\RECYCLER\S-1-5-21-0513033745-3355766896-364207038-6226\Desktop.ini
Sets the 'hidden' attribute to the following files:
- C:\RECYCLER\S-1-5-21-0513033745-3355766896-364207038-6226\winsystem.exe
Network activity:
UDP:
- DNS ASK as#.##inchats.com
- DNS ASK ch##.##pchatrooms.com
- 'as#.##inchats.com':7663
- 'ch##.##pchatrooms.com':7663
