Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'UDP Subsystem' = '%ProgramFiles(x86)%\UDP Subsystem\udpss.exe'
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'chome_exe' = '%APPDATA%\HWMonitor\vlc.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\udp subsystem
- <SYSTEM32>\tasks\udp subsystem task
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\vbc.exe
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\microsoft.net\framework\v4.0.30319\vbc.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\Google\Google Talk\Accounts]
- [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\MSNMessenger]
- [<HKCU>\Software\Yahoo\Pager]
- [<HKCU>\Software\Microsoft\IdentityCRL]
- [<HKCU>\Software\Microsoft\Windows Live Mail]
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\google\chrome\user data\default\web data
- %LOCALAPPDATA%\google\chrome\user data\default\login data
Modifies file system
Creates the following files
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\run.dat
- %ProgramFiles(x86)%\udp subsystem\udpss.exe
- %TEMP%\tmp4855.tmp
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\task.dat
- %TEMP%\tmp4b14.tmp
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\catalog.dat
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\storage.dat
- %APPDATA%\36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee\settings.bin
- %TEMP%\scan 34807_0007_ efii.exe
- %TEMP%\0pkndmmg.wpz
- %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
- %TEMP%\0qityj5w.ic3
- %APPDATA%\hwmonitor\vlc.exe
Deletes the following files
- %TEMP%\tmp4855.tmp
- %TEMP%\tmp4b14.tmp
- %TEMP%\0pkndmmg.wpz
- %TEMP%\0qityj5w.ic3
Network activity
TCP
- '18#.#44.38.210':7008
Miscellaneous
Creates and executes the following
- '%TEMP%\scan 34807_0007_ efii.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe' ...
- '%APPDATA%\hwmonitor\vlc.exe'
Executes the following
- '%WINDIR%\microsoft.net\framework\v4.0.30319\vbc.exe'
- '%WINDIR%\syswow64\schtasks.exe' /create /f /tn "UDP Subsystem" /xml "%TEMP%\tmp4855.tmp"
- '%WINDIR%\syswow64\schtasks.exe' /create /f /tn "UDP Subsystem Task" /xml "%TEMP%\tmp4B14.tmp"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe'
- '%WINDIR%\microsoft.net\framework\v4.0.30319\vbc.exe' /shtml "%TEMP%\0pkndmmg.wpz"
- '%WINDIR%\microsoft.net\framework\v4.0.30319\vbc.exe' /shtml "%TEMP%\0qityj5w.ic3"
