ThreatExpert Report: Backdoor:Win32/Farfli.K, Backdoor.Win32.Farfli

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Submission Summary:

Submission details:

Submission received: 18 August 2012, 02:45:58
Processing time: 7 min 45 sec
Submitted sample:

File MD5: 0x535EE79BD291B9E817A7DF3BC6D2B453
File SHA-1: 0xFED44F6A312E9B2D288BC6FEE93F7C938EA5268A
Filesize: 184,320 bytes
Alias:

Backdoor:Win32/Farfli.K [Microsoft]
Backdoor.Win32.Farfli [Ikarus]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.

Technical Details:

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1] %System%\zmdpmg.exe	184,320 bytes	MD5: 0x535EE79BD291B9E817A7DF3BC6D2B453 SHA-1: 0xFED44F6A312E9B2D288BC6FEE93F7C938EA5268A	Backdoor:Win32/Farfli.K [Microsoft] Backdoor.Win32.Farfli [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
zmdpmg.exe	%System%\zmdpmg.exe	196,608 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	196,608 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
DirectX jrq	DirectX Remover yta for Windows(R).	"Running"	%System%\zmdpmg.exe

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_DIRECTX_JRQ
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_DIRECTX_JRQ\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_DIRECTX_JRQ\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DirectX jrq
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DirectX jrq\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DirectX jrq\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_DIRECTX_JRQ
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_DIRECTX_JRQ\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_DIRECTX_JRQ\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DirectX jrq
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DirectX jrq\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DirectX jrq\Enum

The newly created Registry Values are:

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

*NewlyCreated* = 0x00000000
ActiveService = "DirectX jrq"

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

Service = "DirectX jrq"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "DirectX Remover yta for Windows(R)."

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

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DirectX jrq\Enum]

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\DirectX jrq\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\DirectX jrq]

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\zmdpmg.exe"
DisplayName = "DirectX Remover yta for Windows(R)."
ObjectName = "LocalSystem"
Description = "Microsoft(R) DirectX mid for Windows(R)."

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

*NewlyCreated* = 0x00000000
ActiveService = "DirectX jrq"

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

Service = "DirectX jrq"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "DirectX Remover yta for Windows(R)."

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

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DirectX jrq\Enum]

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DirectX jrq\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\DirectX jrq]

Type = 0x00000110
Start = 0x00000002
ErrorControl = 0x00000000
ImagePath = "%System%\zmdpmg.exe"
DisplayName = "DirectX Remover yta for Windows(R)."
ObjectName = "LocalSystem"
Description = "Microsoft(R) DirectX mid for Windows(R)."

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 objects were created:

c:\windows\system32\sample_1.exe
c:\windows\system32\zmdpmg.exe
djapple.no-ip.org 97406

The following Host Names were requested from a host database:

192.5.5.241
djapple.no-ip.org

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

Remote Host	Port Number
djapple.no-ip.org	58

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 58:

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