ThreatExpert Report: Mal/Generic-A, not-a-virus:Porn-Dialer.Win32.Agent.bk, Win-Trojan/Xema.variant..

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Submission Summary:

Submission details:

Submission received: 14 July 2009, 16:20:08
Processing time: 5 min 27 sec
Submitted sample:

File MD5: 0x68339E2D44CE89116E4D3AB5FF54DE10
File SHA-1: 0xCFE4966A18847AA802ECEB1A32BCC560BD1BE66F
Filesize: 50,688 bytes
Alias & packer info:

Mal/Generic-A [Sophos]
not-a-virus:Porn-Dialer.Win32.Agent.bk [Ikarus]
Win-Trojan/Xema.variant [AhnLab]
packed with: PE_Patch.UPX [Kaspersky Lab]

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 malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
	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	Alias
1	%System%\6to4v32.dll	65,536 bytes	MD5: 0x8F4F5A1B63CBFCFC02F9E4F625B48952 SHA-1: 0xAACDA30B15C7ECFE2F1E229B1A8C3C2F0478789D	Trojan.Win32.Obfuscated.agss [Kaspersky Lab] Troj/Bckdr-QWJ [Sophos] Trojan:Win32/Wimpixo.gen!A [Microsoft] Trojan.Inject [Ikarus] Win-Trojan/Obfuscated.65536.BW [AhnLab]
2	%System%\pcmstub.sys	2,304 bytes	MD5: 0x46B4CA5747E462778F7D6D04BBB59C13 SHA-1: 0x41CD6E92B161C011C8E420E6D81919C8E2B783BB	Hacktool.Rootkit [Symantec]
3	[file and pathname of the sample #1]	50,688 bytes	MD5: 0x68339E2D44CE89116E4D3AB5FF54DE10 SHA-1: 0xCFE4966A18847AA802ECEB1A32BCC560BD1BE66F	Mal/Generic-A [Sophos] not-a-virus:Porn-Dialer.Win32.Agent.bk [Ikarus] Win-Trojan/Xema.variant [AhnLab] packed with PE_Patch.UPX [Kaspersky Lab]

Note:

%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).

Memory Modifications

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
6to4v32.dll	%System%\6to4v32.dll	Process name: svchost.exe Process filename: %System%\svchost.exe Address space: 0x13B0000 - 0x13C0000

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
6to4	6to4	"Running"	%System%\svchost.exe -k netsvcs

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

Driver Name	Driver Filename
pcmstub	%System%\pcmstub.sys

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_PCMSTUB\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Enum
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_PCMSTUB\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4\0000]

Service = "6to4"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_6TO4]

NextInstance = 0x00000001

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

*NewlyCreated* = 0x00000000
ActiveService = "pcmstub"

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

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

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

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\Enum]

0 = "Root\LEGACY_6TO4\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4\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\6to4\Parameters]

ServiceDll = "%System%\6to4v32.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\6to4]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "6to4"
ObjectName = "LocalSystem"

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\pcmstub\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\pcmstub]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%System%\pcmstub.sys"
DisplayName = "pcmstub"
Description = "pcmstub"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4\0000]

Service = "6to4"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "6to4"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_6TO4]

NextInstance = 0x00000001

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

*NewlyCreated* = 0x00000000
ActiveService = "pcmstub"

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

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

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

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\Enum]

0 = "Root\LEGACY_6TO4\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4\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\6to4\Parameters]

ServiceDll = "%System%\6to4v32.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\6to4]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "6to4"
ObjectName = "LocalSystem"

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\pcmstub\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\pcmstub]

Type = 0x00000001
Start = 0x00000003
ErrorControl = 0x00000000
ImagePath = "%System%\pcmstub.sys"
DisplayName = "pcmstub"
Description = "pcmstub"

Other details

The following Host Names were requested from a host database:

lothotels.com
127.0.0.1
hotelseas.com

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