ThreatExpert Report: Backdoor.Graybird, Trojan.Win32.Redosdru, Backdoor.Trojan, BackDoor-DVB.gen.h..

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Submission Summary:

Submission details:

Submission received: 26 June 2012, 00:55:29
Processing time: 11 min 4 sec
Submitted sample:

File MD5: 0x4A2FBD93B382D17476BDB2EAE461F468
File SHA-1: 0xD95BDD1B1E054EE05074F0BD638ABE494FA2D352
Filesize: 120,358 bytes
Alias:

Backdoor.Graybird [Symantec]
Trojan.Win32.Redosdru [Ikarus]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
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	%Profiles%\Local User\ntuser.dll	100,937 bytes	MD5: 0xA496C9AEAEBE5D0D00B51E885BA1DD71 SHA-1: 0x912785D609FA015E55B290ACEEF062B69003CEEF	Backdoor.Trojan [Symantec] BackDoor-DVB.gen.h [McAfee] Troj/Bckdr-QYL [Sophos] Trojan.Win32.MMM [Ikarus] Win-Trojan/Infostealer.100933 [AhnLab]
2	%System%\LogOfSystem.key	0 bytes	MD5: 0xD41D8CD98F00B204E9800998ECF8427E SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709	(not available)
3	[file and pathname of the sample #1]	120,358 bytes	MD5: 0x4A2FBD93B382D17476BDB2EAE461F468 SHA-1: 0xD95BDD1B1E054EE05074F0BD638ABE494FA2D352	Backdoor.Graybird [Symantec] Trojan.Win32.Redosdru [Ikarus]

Notes:

%Profiles% is a variable that refers to the file system directory containing user profile folders. A typical path is C:\Documents and Settings.
%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:

%Profiles%\Local User

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]	118,784 bytes

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
360svc	Microsoft Device Manager	"Running"	%System%\svchost.exe -k netsvcs

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\msvideo
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc\Parameters
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc\Enum

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "360svc"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC\0000]

Service = "360svc"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Microsoft Device Manager"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_360SVC]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc\Enum]

0 = "Root\LEGACY_360SVC\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc\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\360svc\Parameters]

ServiceDll = "%Profiles%\Local User\ntuser.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\360svc]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "Microsoft Device Manager"
ObjectName = "LocalSystem"
Description = "???????????????????????????????"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "360svc"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC\0000]

Service = "360svc"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "Microsoft Device Manager"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_360SVC]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc\Enum]

0 = "Root\LEGACY_360SVC\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc\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\360svc\Parameters]

ServiceDll = "%Profiles%\Local User\ntuser.dll"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\360svc]

Type = 0x00000120
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\svchost.exe -k netsvcs"
DisplayName = "Microsoft Device Manager"
ObjectName = "LocalSystem"
Description = "???????????????????????????????"

The following Registry Values were modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost]

netsvcs =

[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:

QQQQQQrrGxvbGxs72mva6wr6m1sKevnw==

The following Host Name was requested from a host database:

122.224.9.130

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

Remote Host	Port Number
122.224.9.130	6380

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 6380:

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