Exploit.Siggen.63069

Technical Information

To ensure autorun and distribution

Creates the following services

[<HKLM>\System\CurrentControlSet\Services\CDF82F06] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\CDF82F06] 'ImagePath' = '<SYSTEM32>\svchost.exe -k LocalService'
[<HKLM>\SYSTEM\ControlSet001\services\CDF82F06] 'ImagePath' = '<SYSTEM32>\svchost.exe -k LocalService�'
[<HKLM>\SYSTEM\ControlSet001\services\CDF82F06\Parameters] 'ServiceDll' = '%PROGRAMDATA%\CDF82F06\E7AE8F49.dll�'
[<HKLM>\SYSTEM\ControlSet001\services\CDF82F06] 'Start' = '00000002'

Malicious functions

Executes the following (exploit)

'<SYSTEM32>\rundll32.exe' %PROGRAMDATA%\crvyqPe.dll,f1

Injects code into

the following system processes:

<SYSTEM32>\winlogon.exe
<SYSTEM32>\services.exe
%WINDIR%\syswow64\rundll32.exe

Terminates or attempts to terminate

the following system processes:

%WINDIR%\syswow64\rundll32.exe

the following user processes:

firefox.exe

Searches for registry branches where third party applications store passwords

[<HKCU>\SOFTWARE\Mirabilis\ICQ\NewOwners]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
[<HKCU>\Software\FlashFXP\3]
[<HKCU>\Software\FlashFXP]
[<HKLM>\Software\Wow6432Node\FlashFXP\3]
[<HKLM>\Software\Wow6432Node\FlashFXP]
[<HKCU>\Software\FileZilla]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Main]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Main]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Options]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Options]
[<HKCU>\Software\Sota\FFFTP\Options]
[<HKCU>\Software\CoffeeCup Software\Internet\Profiles]
[<HKCU>\Software\FTPWare\COREFTP\Sites]
[<HKCU>\Software\FTP Explorer\Profiles]
[<HKCU>\Software\VanDyke\SecureFX]
[<HKCU>\Software\Cryer\WebSitePublisher]
[<HKCU>\Software\ExpanDrive\Sessions]
[<HKCU>\Software\NCH Software\ClassicFTP\FTPAccounts]
[<HKLM>\SOFTWARE\Wow6432Node\NCH Software\Fling\Accounts]
[<HKCU>\Software\BPFTP]
[<HKCU>\Software\TurboFTP]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Home\QCToolbar]
[<HKCU>\Software\Yahoo\Pager]
[<HKCU>\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Users]
[<HKCU>\Software\Google\Google Talk\Accounts]
[<HKCU>\Software\Paltalk]
[<HKCU>\Software\AIM\AIMPro]
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Trillian]
[<HKCU>\Software\RimArts\B2\Settings]
[<HKCU>\SOFTWARE\RIT\The Bat!]
[<HKCU>\SOFTWARE\RIT\The Bat!\Users depot]
[<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
[<HKCU>\Software\Microsoft\MSNMessenger]
[<HKLM>\Software\Wow6432Node\Microsoft\Internet Account Manager]
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings]
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
[<HKCU>\SOFTWARE\Far\Plugins\FTP\Hosts]
[<HKCU>\SOFTWARE\Far2\Plugins\FTP\Hosts]
[<HKCU>\Software\Far\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far2\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Ghisler\Windows Commander]
[<HKCU>\Software\Ghisler\Total Commander]
[<HKLM>\Software\Wow6432Node\Ghisler\Windows Commander]
[<HKLM>\Software\Wow6432Node\Ghisler\Total Commander]
[<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
[<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions]
[<HKCU>\Software\South River Technologies\WebDrive\Connections]

Reads files which store third party applications passwords

%APPDATA%\mozilla\firefox\profiles.ini
%APPDATA%\opera software\opera stable\login data
%LOCALAPPDATA%\google\chrome\user data\default\web data
%LOCALAPPDATA%\google\chrome\user data\default\login data
%APPDATA%\thunderbird\profiles.ini
%LOCALAPPDATA%\google\chrome\user data\default\cookies

Modifies settings of Windows Internet Explorer

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = '127.0.0.1:8080�'
[\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = '127.0.0.1:8080�'
[\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = '127.0.0.1:8080�'
[<HKCU>_Classes\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
[<HKCU>_Classes\Software\Microsoft\Windows\CurrentVersion\Internet Settings] 'ProxyServer' = '127.0.0.1:8080�'
[<HKCU>\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyServer' = '127.0.0.1:8080'

Modifies file system

Creates the following files

%PROGRAMDATA%\crvyqpe.dll
%TEMP%\1019062.tmp
%TEMP%\1019109.tmp
%TEMP%\1019109.tmp-shm
%TEMP%\1019140.tmp
%TEMP%\1019140.tmp-shm
%WINDIR%\syswow64\config\systemprofile\favorites\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\desktop.ini
%TEMP%\1018921.tmp
%TEMP%\1019046.tmp
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\index.dat
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\x66kskim\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\31emlt14\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\0hmt7hce\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\9fzwgozf\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\roaming\microsoft\windows\cookies\low\index.dat
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\history\low\history.ie5\index.dat
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\history\low\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\history\low\history.ie5\desktop.ini
%TEMP%\1018906.tmp
%TEMP%\1018671.tmp-shm
%TEMP%\1018671.tmp
%PROGRAMDATA%\cdf82f06\3b073049.dll
%PROGRAMDATA%\cdf82f06\e7ae8f49.dll
%PROGRAMDATA%\cdf82f06\08dfc2ba\13de14f8a0f23bbe879054a715047cfa
%PROGRAMDATA%\cdf82f06\4d5347cc
%TEMP%\993250.tmp
%TEMP%\993359.tmp
%TEMP%\993406.tmp
%TEMP%\993437.tmp
%PROGRAMDATA%\cdf82f06\27361ad8
%PROGRAMDATA%\microsoft\crypto\rsa\machinekeys\3cc6747707702f202176cae91f599b0f_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
%TEMP%\1017640.tmp
%TEMP%\1017656.tmp
%TEMP%\1018031.tmp
%TEMP%\1018031.tmp-shm
%TEMP%\1018343.tmp
%TEMP%\1018390.tmp
%TEMP%\1018406.tmp
%TEMP%\1018406.tmp-shm
%PROGRAMDATA%\cdf82f06\de342176\8416c593b91d537cafb730f893c269ec.zip
%PROGRAMDATA%\cdf82f06\08dfc2ba\81c9c1967fe5932d141373d6c6964181
%PROGRAMDATA%\cdf82f06\08dfc2ba\edc5d42da9caec8e09f7148f72cf1d70

Sets the 'hidden' attribute to the following files

%PROGRAMDATA%\cdf82f06\3b073049.dll
%PROGRAMDATA%\cdf82f06\e7ae8f49.dll
%WINDIR%\syswow64\config\systemprofile\favorites\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\x66kskim\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\31emlt14\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\0hmt7hce\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\<INETFILES>\low\content.ie5\9fzwgozf\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\history\low\history.ie5\desktop.ini
%WINDIR%\syswow64\config\systemprofile\appdata\local\microsoft\windows\history\low\desktop.ini

Deletes the following files

%PROGRAMDATA%\cdf82f06\4d5347cc
%PROGRAMDATA%\cdf82f06\de342176\8416c593b91d537cafb730f893c269ec.zip
%TEMP%\1018031.tmp-shm
%TEMP%\1018406.tmp-shm
%TEMP%\1018671.tmp-shm
%TEMP%\1019109.tmp-shm
%TEMP%\1019140.tmp-shm
%PROGRAMDATA%\cdf82f06\08dfc2ba\13de14f8a0f23bbe879054a715047cfa
%PROGRAMDATA%\cdf82f06\08dfc2ba\81c9c1967fe5932d141373d6c6964181
%PROGRAMDATA%\cdf82f06\08dfc2ba\edc5d42da9caec8e09f7148f72cf1d70

Substitutes the following files

%PROGRAMDATA%\cdf82f06\4d5347cc

Network activity

TCP

HTTP GET requests

http://co####tedmerc.xyz/BAYgODA0NUQ2OEY1RTA2ODg4RDhCQzlEQzRBRUU3QTA5OUI=

'18#.#81.8.49':443

UDP

DNS ASK co####tedmerc.xyz

Miscellaneous

Adds a root certificate

Searches for the following windows

ClassName: 'D1D9BEFF' WindowName: 'D1D9BEFF'

Creates and executes the following

'<SYSTEM32>\rundll32.exe' %PROGRAMDATA%\crvyqPe.dll,f1' (with hidden window)
'%WINDIR%\syswow64\rundll32.exe' %ProgramFiles%\crvyqPe.dll,f0' (with hidden window)
'%WINDIR%\syswow64\rundll32.exe' %ProgramFiles%\CDF82F06\E7AE8F49.dll,f1 %ProgramFiles%\crvyqPe.dll@1740' (with hidden window)

Executes the following

'%WINDIR%\syswow64\rundll32.exe' %ProgramFiles%\crvyqPe.dll,f0
'%WINDIR%\syswow64\rundll32.exe' %ProgramFiles%\CDF82F06\E7AE8F49.dll,f1 %ProgramFiles%\crvyqPe.dll@1740
'<SYSTEM32>\rundll32.exe' %ProgramFiles%\CDF82F06\E7AE8F49.dll,f1 %ProgramFiles%\crvyqPe.dll@1740
'<SYSTEM32>\rundll32.exe' %PROGRAMDATA%\CDF82F06\E7AE8F49.dll,f2 72D316C1CAD6D793C258DF23A1B24090
'<SYSTEM32>\svchost.exe' -k LocalService
'%WINDIR%\syswow64\rundll32.exe' %PROGRAMDATA%\CDF82F06\3B073049.dll,f3
'%WINDIR%\syswow64\rundll32.exe' %PROGRAMDATA%\CDF82F06\3B073049.dll,f7
'%WINDIR%\syswow64\rundll32.exe' %PROGRAMDATA%\CDF82F06\3B073049.dll,f2 B003C6D5EF304D6EC18B5FD767831E49
'%WINDIR%\syswow64\rundll32.exe' "%WINDIR%\syswow64\wininet.dll",DispatchAPICall 1

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