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

Submission Summary:

Submission details:

Submission received: 24 December 2008, 13:46:06
Processing time: 6 min 1 sec
Submitted sample:

File MD5: 0x6A8E4587F1945ADF547BE81DCA42C7A8
File SHA-1: 0xD4F17231336E8ABFCEA82423019A0F1745D96360
Filesize: 40,960 bytes

Summary of the findings:

What's been found	Severity Level
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%\WERb61c.dir00\appcompat.txt	16,296 bytes	MD5: 0xF560A82E9385739415E085B4553CBA8F SHA-1: 0x958B55E9517896C07D689F6BDDED4EF10D0718A9	(not available)
2	%Temp%\WERb61c.dir00\manifest.txt	1,742 bytes	MD5: 0x0F62910CD6426B31E4742DA45D58D3A4 SHA-1: 0x4D4B85EABFF9793849BC563A786C96286586C63B	(not available)
3	%Temp%\WERb61c.dir00\services.exe.hdmp	6,273,748 bytes	MD5: 0x231D479F752BF62D1D508F6E7DC792C1 SHA-1: 0x24C91BA9630A74014033818940B7DD868E415945	(not available)
4	%Temp%\WERb61c.dir00\services.exe.mdmp	59,713 bytes	MD5: 0x5D5C9759BA42AA46C30CD91474B5093F SHA-1: 0x75383595A5D854D79BE2F0AAD3416534E4CDA9F2	(not available)
5	%System%\drivers\ati4ksxx.sys	32,768 bytes	MD5: 0x74B472EDCC1299FE189543B025E1D5D9 SHA-1: 0x27CB6CC23CCA8024479A7207A847E61AFF3C77B1	Trojan.Pandex [Symantec] Rootkit.Win32.Protector.cd [Kaspersky Lab] Cutwail.gen.a [McAfee] TROJ_PANDEX.ROY [Trend Micro] Troj/Pushu-Gen [Sophos] VirTool:WinNT/Cutwail.K [Microsoft] Rootkit.Win32.Protector [Ikarus]
6	[file and pathname of the sample #1]	40,960 bytes	MD5: 0x6A8E4587F1945ADF547BE81DCA42C7A8 SHA-1: 0xD4F17231336E8ABFCEA82423019A0F1745D96360	(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%\WERb61c.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
ati4ksxx.sys	%System%\drivers\ati4ksxx.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\ati4ksxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati4ksxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati4ksxx
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati4ksxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati4ksxx\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati4ksxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati4ksxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati4ksxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati4ksxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati4ksxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati4ksxx\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ati4ksxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati4ksxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati4ksxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX\0000]

Service = "ati4ksxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati4ksxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI4KSXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati4ksxx\Enum]

0 = "Root\LEGACY_ATI4KSXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati4ksxx\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\ati4ksxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati4ksxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati4ksxx]

Type = 0x00000001
Start = 0x00000000
ImagePath = "%System%\Drivers\ati4ksxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati4ksxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati4ksxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati4ksxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX\0000]

Service = "ati4ksxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati4ksxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI4KSXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati4ksxx\Enum]

0 = "Root\LEGACY_ATI4KSXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati4ksxx\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\ati4ksxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati4ksxx.sys"
Group = "SCSI Class"

Other details

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

Remote Host	Port Number
216.195.63.22	80

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