ThreatExpert Report: Backdoor.Trojan, BackDoor-FAFE!E8FEE183975A, Trojan.Win32.Pincav, Mal/Emogen-Y

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Submission Summary:

Submission details:

Submission received: 24 September 2012, 17:13:23
Processing time: 9 min 27 sec
Submitted sample:

File MD5: 0xE8FEE183975AB0210098847EF284AB45
File SHA-1: 0x7536FD0FE6A4393AED24B45F0E4C39A04C752555
Filesize: 430,157 bytes
Alias:

Backdoor.Trojan [Symantec]
BackDoor-FAFE!E8FEE183975A [McAfee]
Trojan.Win32.Pincav [Ikarus]

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 category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\recycler32.dll	18,974 bytes	MD5: 0xE2F421CA67BAA2E20E92085E57D5DDAA SHA-1: 0x5B74A8F90A7645DDB8D3F5246A59E44897203ADD	Mal/Emogen-Y [Sophos]
2	[file and pathname of the sample #1]	430,157 bytes	MD5: 0xE8FEE183975AB0210098847EF284AB45 SHA-1: 0x7536FD0FE6A4393AED24B45F0E4C39A04C752555	Backdoor.Trojan [Symantec] BackDoor-FAFE!E8FEE183975A [McAfee] Trojan.Win32.Pincav [Ikarus]

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

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes
svchosvt.exe	%Temp%\svchosvt.exe	40,960 bytes

Notes:

[generic host process filename] is a full path filename of [generic host process].
%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).

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0xB10000 - 0xB7D000
recycler32.dll	%System%\recycler32.dll	Process name: svchost.exe Process filename: %System%\svchost.exe Address space: 0xA90000 - 0xAB8000

There was a new service created in the system:

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

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\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\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\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

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 = "Windows Printer"

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

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%\recycler32.dll"

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

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "Windows Printer"
ObjectName = "LocalSystem"
Description = ""

[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 = "Windows Printer"

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

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%\recycler32.dll"

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

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "Windows Printer"
ObjectName = "LocalSystem"
Description = ""

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent]

(Default) =

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent]

(Default) =

Other details

Analysis of the file resources indicate the following possible country of origin:

China

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

NT0218

The following Host Name was requested from a host database:

t2010.dyndns.info

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