Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HKCU' = '%APPDATA%\Local\Microsoft\CurrentVersion\winlogon.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HKLM' = '%APPDATA%\Local\Microsoft\CurrentVersion\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\temp\sys32.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks the following features:
- User Account Control (UAC)
Creates and executes the following:
- %APPDATA%\Windows Updater.exe
- <LS_APPDATA>\lsass.exe
- %APPDATA%\Local\Microsoft\CurrentVersion\winlogon.exe
- %APPDATA%\Windows Updater.exe (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\rundll32.exe InetCpl.cpl,ClearMyTracksByProcess 2
Terminates or attempts to terminate
the following user processes:
- zlclient.exe
- outpost.exe
- bdagent.exe
Modifies file system :
Creates the following files:
- %TEMP%\cdinformation.txt
- %TEMP%\StartupImage.jpeg
- %APPDATA%\Windows Updater.exe
- %APPDATA%\Local\Microsoft\CurrentVersion\winlogon.exe
- <LS_APPDATA>\lsass.exe
- <LS_APPDATA>\7647354325.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\temp\sys32.exe
Deletes the following files:
- <LS_APPDATA>\lsass.exe
- <LS_APPDATA>\7647354325.txt
Network activity:
Connects to:
- 'sm##.gmail.com':587
- 'ho#####en.fileave.com':80
- 'wp#d':80
- 'wh###smyip.com':80
TCP:
HTTP GET requests:
- ho#####en.fileave.com/CodecX.exe
- wh###smyip.com/automation/n09230945.asp
- wp#d/wpad.dat
UDP:
- DNS ASK sm##.gmail.com
- DNS ASK ho#####en.fileave.com
- DNS ASK wp#d
- DNS ASK wh###smyip.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: 'Windows Task Manager'
- ClassName: 'Indicator' WindowName: ''
