ThreatExpert Report: TrojanDownloader:Win32/Cutwail.AG, Rootkit.Win32.Protector.cd, Trojan.Pandex..

Submission Summary:

Submission details:

Submission received: 5 January 2009, 05:47:19
Processing time: 6 min 19 sec
Submitted sample:

File MD5: 0x09B643BEAD200820797E9FAE919C0A35
File SHA-1: 0xE00FC7374F763A73527464F7428BD83716F9EF72
Filesize: 41,472 bytes
Alias: TrojanDownloader:Win32/Cutwail.AG [Microsoft]

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%\WERb1bc.dir00\appcompat.txt	16,296 bytes	MD5: 0xF560A82E9385739415E085B4553CBA8F SHA-1: 0x958B55E9517896C07D689F6BDDED4EF10D0718A9	(not available)
2	%Temp%\WERb1bc.dir00\manifest.txt	1,742 bytes	MD5: 0x03A6757C046E442B9B7CA130E7B4769C SHA-1: 0xB40EA9CC1619C127749E8942915CB3C19EF01E41	(not available)
3	%Temp%\WERb1bc.dir00\services.exe.hdmp	6,273,748 bytes	MD5: 0xA45C2C49676C0842A5626261C956F787 SHA-1: 0xA248389AB80324EC2E00CF64BD2D84C28C958C26	(not available)
4	%Temp%\WERb1bc.dir00\services.exe.mdmp	59,713 bytes	MD5: 0x3B8246AA7F4FB4F9420DAED20EE614D5 SHA-1: 0xD2B21702F8839B7D57D8CF232B74A0C450B098ED	(not available)
5	%System%\drivers\ati1fmxx.sys	32,768 bytes	MD5: 0xA757D3B76758E6749CCE9C867DB2B6B8 SHA-1: 0x61E217FE8E27891B80D0B32022AA35AED53C766F	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]	41,472 bytes	MD5: 0x09B643BEAD200820797E9FAE919C0A35 SHA-1: 0xE00FC7374F763A73527464F7428BD83716F9EF72	TrojanDownloader:Win32/Cutwail.AG [Microsoft]

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%\WERb1bc.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
ati1fmxx.sys	%System%\drivers\ati1fmxx.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\ati1fmxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati1fmxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati1fmxx
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati1fmxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati1fmxx\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati1fmxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati1fmxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati1fmxx.sys
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati1fmxx
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati1fmxx\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati1fmxx\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\ati1fmxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Network\ati1fmxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati1fmxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX\0000]

Service = "ati1fmxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati1fmxx"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_ATI1FMXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati1fmxx\Enum]

0 = "Root\LEGACY_ATI1FMXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ati1fmxx\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\ati1fmxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati1fmxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\ati1fmxx]

Type = 0x00000001
Start = 0x00000000
ImagePath = "%System%\Drivers\ati1fmxx.sys"
Group = "SCSI Class"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\ati1fmxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\ati1fmxx.sys]

(Default) = "Driver"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "ati1fmxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX\0000]

Service = "ati1fmxx"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "ati1fmxx"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_ATI1FMXX]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati1fmxx\Enum]

0 = "Root\LEGACY_ATI1FMXX\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ati1fmxx\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\ati1fmxx]

Type = 0x00000001
Start = 0x00000000
ErrorControl = 0x00000000
ImagePath = "%System%\Drivers\ati1fmxx.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

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.