ThreatExpert Report: Backdoor.Win32.Agent.alqt, Trojan-GameThief.Win32.Magania, Downloader..

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Submission Summary:

Submission details:

Submission received: 29 September 2012, 22:02:16
Processing time: 8 min 12 sec
Submitted sample:

File MD5: 0x32F31466912D9DD9A88E53F26D683D17
File SHA-1: 0xF35D2B992F187CA28643181307D1868C6BF6E2F5
Filesize: 159,189 bytes
Alias:

Backdoor.Win32.Agent.alqt [Kaspersky Lab]
Trojan-GameThief.Win32.Magania [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! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan.Dialer	Trojan.Dialer is a program used to dial a high-cost international phone number using a modem without the users permission or knowledge. Removal of this dialer is advisable if it is not installed for a purpose.

Attention! The following threat categories were identified:

Threat Category	Description
	A program that downloads files to the local computer that may represent security risk
	A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
	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	%Temp%\1348981340.dat %System%\yuksuser.dll	34,461 bytes	MD5: 0x05C6220071256778077243C8328D6450 SHA-1: 0x61B4C50A20957736598F331653C5A566B84EC592	Downloader [Symantec] PWS-OnlineGames.hi.gen.a [McAfee] Mal/Agent-IR [Sophos] PWS:Win32/Lolyda.BF [Microsoft] Trojan-GameThief.Win32.Frethoq [Ikarus]
2	%Temp%\1348981443.dat %System%\dllcache\ksuser.dll %System%\dllcache\midimap.dll %System%\dllcache\msimg32.dll %System%\ksuser.dll %System%\sysapp18.dll	34,461 bytes	MD5: 0xE0B47439AA20734E6B292C593F7A08A1 SHA-1: 0xD4F9B27EA92F49D30CA61285D719DECE1BCA2795	Downloader [Symantec] PWS-OnlineGames.hi.gen.a [McAfee] Mal/Agent-IR [Sophos] PWS:Win32/Lolyda.BF [Microsoft] Trojan-GameThief.Win32.Frethoq [Ikarus]
3	c:\mibao.exe	119,738 bytes	MD5: 0xCC63D846479F9A41C8C841A96B8080DC SHA-1: 0x3B8C34A7E3EDEDB3050EE50A6907A190D78E5B13	Infostealer.Gampass [Symantec] not-a-virus:Porn-Tool.Win32.Agent.uc, Backdoor.Win32.Agent.alqt [Kaspersky Lab] Backdoor:Win32/Farfli.A [Microsoft] Trojan-GameThief.Win32.Magania [Ikarus]
4	c:\mibaoka.gif	8,932 bytes	MD5: 0x5792B426338688B7C53818511436F596 SHA-1: 0x02220DFBB25AA27D770A6443B3513466647B2494	(not available)
5	%System%\6to4ex.dll %System%\netsvcs_0x0ex.dll	107,555 bytes	MD5: 0x712A66E38466F48162B6E3D376BD29F7 SHA-1: 0x6373F0B48D1C12615DD42CC1263D93F7A9CE4606	Backdoor.Trojan [Symantec] Trojan-GameThief.Win32.Magania.evsa [Kaspersky Lab] BackDoor-DVB [McAfee] Mal/Redos-H [Sophos] Backdoor:Win32/Farfli.K [Microsoft] Backdoor.Win32.Zegost [Ikarus]
6	[file and pathname of the sample #1]	159,189 bytes	MD5: 0x32F31466912D9DD9A88E53F26D683D17 SHA-1: 0xF35D2B992F187CA28643181307D1868C6BF6E2F5	Backdoor.Win32.Agent.alqt [Kaspersky Lab] Trojan-GameThief.Win32.Magania [Ikarus]
7	%System%\TEM5.tmp %System%\yumsimg32.dll	4,608 bytes	MD5: 0xB5331F2B6F37C66C29C847F3B94FF900 SHA-1: 0x3FB833BC7393F88EC633961EC8C3C74891205F2E	(not available)
8	%System%\yumidimap.dll	18,944 bytes	MD5: 0x3B4702155BB2AE9DC00C06A68834BDFA SHA-1: 0xC1463918C83B4CAC3886E49A63318062558E645B	(not available)

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 files were modified:

%System%\midimap.dll
%System%\msimg32.dll

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
360.exe	C:\360.exe	126,976 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	430,080 bytes
mibao.exe	c:\mibao.exe	421,888 bytes
[generic host process]	[generic host process filename]	45,056 bytes
361.exe	C:\361.exe	90,112 bytes

Notes:

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

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

Module Name	Module Filename	Address Space Details
6to4ex.dll	%System%\6to4ex.dll	Process name: svchost.exe Process filename: %System%\svchost.exe Address space: 0x630000 - 0x64E000

There was a new service created in the system:

Service Name	Display Name	Status	Service Filename
6to4	QQ	"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_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\ControlSet001\Services\netsvcs_0x0
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\msvideo
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
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\netsvcs_0x0

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 = "QQ"

[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%\6to4ex.dll"

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\netsvcs_0x0]

InstallModule = "C:\360.exe"

[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 = "QQ"

[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%\6to4ex.dll"

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

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

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\netsvcs_0x0]

InstallModule = "C:\360.exe"

The following Registry Value was modified:

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

netsvcs =

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:

AAAAAAsa+wva60rr2xsaa9rrSxqaavta+f
sysapp1952
sysapp980

The following Host Names were requested from a host database:

192.5.5.241
203.171.229.172

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

Remote Host	Port Number
203.171.229.172	9060

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 9060:

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