ThreatExpert Report: Rootkit.Win32.Protector.bd, Trojan.Pandex, Cutwail.gen.a, TROJ

Submission Summary:

Submission details:

Submission received: 17 November 2008, 06:37:23
Processing time: 5 min 46 sec
Submitted sample:

File MD5: 0xB67A625B5E76BBFBED7256D86B4AB835
File SHA-1: 0x64CC88C4E40511EB2335679920CC852FAE1B7E94
Filesize: 40,960 bytes

Summary of the findings:

What's been found	Severity Level
Stealth-mode characteristics common to Rootkits.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

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 malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\WERf0bd.dir00\appcompat.txt	16,296 bytes	MD5: 0xF560A82E9385739415E085B4553CBA8F SHA-1: 0x958B55E9517896C07D689F6BDDED4EF10D0718A9	(not available)
2	%Temp%\WERf0bd.dir00\manifest.txt	1,742 bytes	MD5: 0xCD99EA177D029234DA341989BC377A61 SHA-1: 0x18B3C4EB3BAE0024A64712B09B5282A327705BEB	(not available)
3	%Temp%\WERf0bd.dir00\services.exe.hdmp	6,273,748 bytes	MD5: 0x36C8BB08CCE2C259674197DE666DFAB7 SHA-1: 0x5603E15081FDF21886287675D22D3AA610C147C0	(not available)
4	%Temp%\WERf0bd.dir00\services.exe.mdmp	59,713 bytes	MD5: 0x8923062628565F191E20D34740147075 SHA-1: 0x285EC6727F6A7BBA3C7ABAB1837EBA3E7CCD3E21	(not available)
5	%System%\drivers\ati3pyxx.sys	32,768 bytes	MD5: 0xAF444DAF1FC82A1015FB0076F7FE14F4 SHA-1: 0x92E7005DEF54A3C4CBF4E874548107C460C3A31A	Trojan.Pandex [Symantec] Rootkit.Win32.Protector.bd [Kaspersky Lab] Cutwail.gen.a [McAfee] TROJ_PANDEX.ROY [Trend Micro] Troj/Pushu-Gen [Sophos] VirTool:WinNT/Cutwail.K [Microsoft] VirTool.WinNT.Cutwail.K [Ikarus]
6	[file and pathname of the sample #1]	40,960 bytes	MD5: 0xB67A625B5E76BBFBED7256D86B4AB835 SHA-1: 0x64CC88C4E40511EB2335679920CC852FAE1B7E94	(not available)

Notes:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).
%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).

The following directory was created:

%Temp%\WERf0bd.dir00

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]	53,248 bytes

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

Driver Name	Driver Filename
ati3pyxx.sys	%System%\drivers\ati3pyxx.sys

Attention! The following Major I/O Request Packet (IRP) function was hooked in the kernel-mode driver:

IRP_MJ_CREATE

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ati3pyxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati3pyxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati3pyxx
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati3pyxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati3pyxx\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati3pyxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati3pyxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati3pyxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati3pyxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati3pyxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati3pyxx\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ati3pyxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati3pyxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati3pyxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX\0000]

Service = "ati3pyxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati3pyxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI3PYXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati3pyxx\Enum]

0 = "Root\LEGACY_ATI3PYXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati3pyxx\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\ati3pyxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati3pyxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati3pyxx]

Type = 0x00000001
Start = 0x00000000
ImagePath = "%System%\Drivers\ati3pyxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati3pyxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati3pyxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati3pyxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX\0000]

Service = "ati3pyxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati3pyxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI3PYXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati3pyxx\Enum]

0 = "Root\LEGACY_ATI3PYXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati3pyxx\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\ati3pyxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati3pyxx.sys"
Group = "SCSI Class"

Attention! The newly created hidden Registry Value is:

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

Device = "_#VMwareVirtualPrinter,winspool,TPVM:"

Other details

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
216.195.55.50	80

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