ThreatExpert Report: Rootkit.Agent.EX, Rootkit.Win32.Agent.ex, Hacktool.Rootkit, Generic Rootkit.d..

Submission Summary:

Submission details:

Submission received: 14 March 2009, 04:54:48
Processing time: 8 min 37 sec
Submitted sample:

File MD5: 0x88F868A6B798F8DBCCBE0232005C9E4D
File SHA-1: 0xB8157EC74AE845C96D3F3582B624D8042584EA2D
Filesize: 35,840 bytes

Summary of the findings:

What's been found	Severity Level
Stealth-mode characteristics common to Rootkits.
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Rootkit.Agent.EX	Rootkit.Agent.EX hides its presence in infected machine in order to perform malicious actions without user's knowledge.

Attention! The following threat categories were identified:

Threat Category	Description
	A code with the rootkit-specific techniques designed to hide the software presence in the system
	A hacktool that could be used by attackers to break into a system

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash
1	%Windir%\9129837.exe [file and pathname of the sample #1]	35,840 bytes	MD5: 0x88F868A6B798F8DBCCBE0232005C9E4D SHA-1: 0xB8157EC74AE845C96D3F3582B624D8042584EA2D
2	%System%\abcdefg.bat	80 bytes	MD5: 0x3C2C2719C39678A7EF5013EB16B6F6EF SHA-1: 0x323DFEA7B524E2781DC2A4584A72A22981EEE9A0

Notes:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Attention! The following hidden file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\new_drv.sys	8,192 bytes	MD5: 0xA54DE1D46FF7BDEFBF9D9284C1916C5E SHA-1: 0x128EFCBAA15DD36CFB1D59FFB51871135F7D5120	Rootkit.Agent.EX [PCTools] Hacktool.Rootkit [Symantec] Rootkit.Win32.Agent.ex [Kaspersky Lab] Generic Rootkit.d [McAfee] TROJ_ROOTKIT.FX [Trend Micro] Troj/Rootkit-DK [Sophos] TrojanSpy:Win32/Ursnif [Microsoft] Rootkit.Win32.Agent.ex [Ikarus] Win-Trojan/Agent.8192.BP [AhnLab]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	110,592 bytes

Attention! The following process was intentionally hidden from the user:

Process Name	Main Module Size
9129837.exe	110,592 bytes

The following system services were modified:

Service Name	Display Name	New Status	Service Filename
ALG	Application Layer Gateway Service	"Stopped"	%System%\alg.exe
SharedAccess	Windows Firewall/Internet Connection Sharing (ICS)	"Stopped"	%System%\svchost.exe -k netsvcs
wscsvc	Security Center	"Stopped"	%System%\svchost.exe -k netsvcs

There was a new kernel-mode driver installed in the system:

Driver Name	Driver Filename
!!!!	%Windir%\new_drv.sys

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv\Enum
HKEY_USERS\.DEFAULT\Software\Microsoft\InetData
HKEY_CURRENT_USER\Software\Microsoft\InetData

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "new_drv"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV\0000]

Service = "new_drv"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "!!!!"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NEW_DRV]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv\Enum]

0 = "Root\LEGACY_NEW_DRV\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\new_drv]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%Windir%\new_drv.sys"
DisplayName = "!!!!"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "new_drv"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV\0000]

Service = "new_drv"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "!!!!"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NEW_DRV]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv\Enum]

0 = "Root\LEGACY_NEW_DRV\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv\Security]

Security = 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 0

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\new_drv]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%Windir%\new_drv.sys"
DisplayName = "!!!!"

[HKEY_CURRENT_USER\Software\Microsoft\InetData]

k1 = 0x11019732
k2 = 0x4781B077
version = "12"

Attention! The newly created hidden Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

ttool = "%Windir%\9129837.exe"

so that 9129837.exe runs every time Windows starts

The following Registry Values were deleted:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders]

C:\Documents and Settings\UserName\Application Data\Microsoft\Installer\ = ""
C:\WINDOWS\Installer\{4275B162-C5C0-4912-9522-E92FE1C4E21D}\ = ""
C:\Documents and Settings\UserName\Application Data\Microsoft\Installer\{3966BA0C-23BA-4B20-9B9D-7561DEC54E6A}\ = ""
C:\Program Files\VMware\VMware Tools\Drivers\memctl\ = ""
C:\Program Files\VMware\VMware Tools\TPOG3\ = ""
C:\Program Files\VMware\VMware Tools\TPOG3\amd64\ = ""
C:\Program Files\VMware\VMware Tools\TPOG3\i386\ = ""
C:\Program Files\VMware\VMware Tools\vmci\ = ""
C:\WINDOWS\Installer\{3B410500-1802-488E-9EF1-4B11992E0440}\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ = "1"
C:\WINDOWS\Microsoft.NET\Framework\ = "1"
C:\WINDOWS\Microsoft.NET\ = "1"
C:\WINDOWS\PCHEALTH\ERRORREP\ = "1"
C:\WINDOWS\PCHEALTH\ERRORREP\QHEADLES\ = "1"
C:\WINDOWS\PCHEALTH\ERRORREP\QSIGNOFF\ = "1"
C:\WINDOWS\winsxs\Policies\x86_policy.8.0.Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_x-ww_77c24773\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Users\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Users\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\1033\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_GlobalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\AppConfig\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\AppConfig\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_Code\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\RedistList\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\Browsers\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\CONFIG\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Providers\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Providers\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Wizard\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Wizard\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Permissions\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Permissions\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_Data\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v1.0.3705\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Roles\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Roles\App_LocalResources\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\MSBuild\ = ""
C:\WINDOWS\system32\MUI\0409\ = ""
C:\Program Files\Internet Explorer\MUI\0409\ = ""
C:\Program Files\Internet Explorer\MUI\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\MUI\0409\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\MUI\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\App_LocalResources\ = ""
C:\WINDOWS\winsxs\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.42_x-ww_0de06acd\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1025\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1028\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1031\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1033\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1036\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1040\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1041\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\1042\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\2052\ = ""
C:\Program Files\Common Files\Microsoft Shared\DW\3082\ = ""
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft .NET Framework 2.0\ = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls]

C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_LocalResources\error.aspx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Permissions\App_LocalResources\createPermission.aspx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Providers\App_LocalResources\providerList.ascx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_GlobalResources\AppConfigCommon.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Roles\App_LocalResources\manageSingleRole.aspx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\App_LocalResources\setUpAuthentication.aspx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Users\App_LocalResources\editUser.aspx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Wizard\App_LocalResources\wizardAddUser.ascx.resx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.EnterpriseServices.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_Data\GroupedProviders.xml = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\navigationBar.ascx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\AppConfig\SmtpSettings.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\App_Code\WebAdminPage.cs = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\WebAdminHelp.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Images\requiredBang.gif = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Permissions\managePermissions.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Providers\ProviderList.ascx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Roles\manageSingleRole.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\security.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Users\addUser.aspx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ASP.NETWebAdminFiles\Security\Wizard\wizardAddUser.ascx = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\1033\alinkui.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\alink.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\dfdll.dll = 0x00000001
C:\WINDOWS\system32\dfshim.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\System.Deployment.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\dfsvc.exe = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\gacutil.exe.config = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\regsvcs.exe.config = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\ieexec.exe.config = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe.config = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\1033\cscompui.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\cscompmgd.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\cscomp.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\cvtres.exe = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\1033\CvtResUI.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.JScript.dll = 0x00000001
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Microsoft.JScript.tlb = 0x00000002

Other details

To mark the presence in the system, the following Mutex object was created:

___RHaiuy72Mjtex

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
58.65.232.17	80	(null)	(null)
58.65.232.17	0	(null)	(null)

The following GET requests were made:

cgi-bin/cmd.cgi?user_id=285316914&version_id=12&passphrase=fkjvhsdvlksdhvlsd&socks=22008&version=125&crc=00000000
cgi-bin/options.cgi?user_id=285316914&version_id=12&passphrase=fkjvhsdvlksdhvlsd&socks=22008&version=125&crc=00000000

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