ThreatExpert Report: PWS:Win32/OnLineGames.AH, Packed.Win32.Krap, Troj/GamerPWS-B, Hacktool.Rootkit..

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Submission Summary:

Submission details:

Submission received: 12 August 2012, 13:13:03
Processing time: 8 min 18 sec
Submitted sample:

File MD5: 0xEDF9128352569813CB355502961A5FE4
File SHA-1: 0x212F9657203070D09F87A89BF95EA4161FB3E36F
Filesize: 185,344 bytes
Alias & packer info:

PWS:Win32/OnLineGames.AH [Microsoft]
Packed.Win32.Krap [Ikarus]
packed with: PE_Patch [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Registers a 32-bit in-process server DLL.
Registers a Browser Helper Object (Microsoft's Internet Explorer plugin module).
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.Generic	Common Components that may be used by Trojans Small, DRSN Search, Binet, Euniverse, Adrotator and Dloader among others.

Attention! The following threat category was identified:

Threat Category	Description
	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	%Temp%\A1.zip	19,968 bytes	MD5: 0x90AFFACB3C4F110BA63DF2BE93F2E41A SHA-1: 0xA1F071AE9ED951B1EB7EFB040E9CC7204A967E76	(not available)
2	%Temp%\B1.zip	19,456 bytes	MD5: 0x0B14DFD82A538CF8933435397DBC4925 SHA-1: 0x82AC612BF9A1C832BF75B8FA8D38714E28640A94	(not available)
3	%Temp%\C1.zip	18,944 bytes	MD5: 0x743CAC2A53BA132D086853141246D7D7 SHA-1: 0xDAF54FE899EA885CD8E70F8BCDB1E3349F4C4526	(not available)
4	%Temp%\Coor.bat	151 bytes	MD5: 0x5055D8342408F688ADA50B3BEEBDB365 SHA-1: 0x50DDA9BCC77911C0CBBA1B3B90F0F25D037E117B	(not available)
5	%Temp%\GD271rgFru.dll	172,032 bytes	MD5: 0xA1EDB74A210793B0B45BA340DE1E70EE SHA-1: 0x60FEE9B5BFA7DB35F108C9935D7D1EBA727EC590	Troj/GamerPWS-B [Sophos] PWS:Win32/OnLineGames.AH [Microsoft]
6	%Temp%\h2Tf.dll	114,688 bytes	MD5: 0x834F2D0A1DA1B39EFF06073F3BC3B910 SHA-1: 0x33D244E318FE6023D1FEB5A34256B60146031F0B	(not available)
7	%Temp%\XjHs2rhahp.dll	172,032 bytes	MD5: 0xEAD269B0628AF38F7CB76CBDB1163B27 SHA-1: 0xCC7E995064FECA3C95FA752B62D64CF6BF53BA4E	Troj/GamerPWS-B [Sophos] PWS:Win32/OnLineGames.AH [Microsoft]
8	%Temp%\YtYqs7	18,944 bytes	MD5: 0x3B4702155BB2AE9DC00C06A68834BDFA SHA-1: 0xC1463918C83B4CAC3886E49A63318062558E645B	(not available)
9	%System%\drivers\28253900.sys	23,008 bytes	MD5: 0xFAE42B5AC705BABA1A824C9B00924361 SHA-1: 0xF75046ECC9C4329DB1ECCD7E7721F75FAF40A3B7	Hacktool.Rootkit [Symantec] PWS:WinNT/OnLineGames.D [Microsoft] Trojan-PWS.WinNT.OnLineGames [Ikarus]
10	%System%\moonwr.dll	114,688 bytes	MD5: 0x2D601C25412EAA4AF7FC8A4B6400F430 SHA-1: 0x72C756189C22B3DD00FD94466FC9D6334D57040B	Trojan-PWS.OnlineGames [Ikarus] packed with ASPack [Kaspersky Lab]
11	[file and pathname of the sample #1]	185,344 bytes	MD5: 0xEDF9128352569813CB355502961A5FE4 SHA-1: 0x212F9657203070D09F87A89BF95EA4161FB3E36F	PWS:Win32/OnLineGames.AH [Microsoft] Packed.Win32.Krap [Ikarus] packed with PE_Patch [Kaspersky Lab]
12	%System%\WAbuyeh %System%\wshtcpwr.dll	19,968 bytes	MD5: 0xA7F95A53EE055115DF03588997A47D4D SHA-1: 0x81C4564E21F028A0E968B3FB1822C3485BA46E84	(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 file was modified:

%System%\wshtcpip.dll

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	757,760 bytes
[generic host process]	[generic host process filename]	20,480 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
moonwr.dll	%System%\moonwr.dll	Process name: IEXPLORE.EXE Process filename: %ProgramFiles%\internet explorer\iexplore.exe Address space: 0x1090000 - 0x10B7000

Notes:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\HOOK_ID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\IEH_DLL
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\SYS_DLL
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900\0000
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\28253900
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\28253900\Security
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\28253900\Enum
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900\0000
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900\0000\Control
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\28253900
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\28253900\Security
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\28253900\Enum

The following Registry Key was deleted:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\HOOK_ID]

name = "[filename of the sample #1]"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\IEH_DLL]

name1 = "%System%\moonwr.dll"
name2 = "%Temp%\h2Tf.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\SYS_DLL]

name = "GD271rgFru.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID]

(Default) = "IEHlprObj.IEHlprObj"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID]

(Default) = "IEHlprObj.IEHlprObj.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32]

(Default) = "%System%\moonwr.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}]

(Default) = "IEHlprObj Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib]

(Default) = "{753A9DE8-F775-4F12-86B9-FB2AEA44D130}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}]

(Default) = "IIEHlprObj"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32]

(Default) = "%System%\moonwr.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR]

(Default) = "%System%\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0]

(Default) = "IEHelper 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer]

(Default) = "IEHlprObj.IEHlprObj.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj]

(Default) = "IEHlprObj Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID]

(Default) = "{753A9DE2-F775-4F12-86B9-FB2AEA44D130}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1]

(Default) = "IEHlprObj Class"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "28253900"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900\0000]

Service = "28253900"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "28253900"

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_28253900]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\28253900\Enum]

0 = "Root\LEGACY_28253900\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\28253900\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\28253900]

Type = 0x00000001
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\drivers\28253900.sys"
DisplayName = "28253900"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900\0000\Control]

*NewlyCreated* = 0x00000000
ActiveService = "28253900"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900\0000]

Service = "28253900"
Legacy = 0x00000001
ConfigFlags = 0x00000000
Class = "LegacyDriver"
ClassGUID = "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
DeviceDesc = "28253900"

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_28253900]

NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\28253900\Enum]

0 = "Root\LEGACY_28253900\0000"
Count = 0x00000001
NextInstance = 0x00000001

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\28253900\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\28253900]

Type = 0x00000001
Start = 0x00000002
ErrorControl = 0x00000001
ImagePath = "%System%\drivers\28253900.sys"
DisplayName = "28253900"

Other details

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

	Republic of Korea
	China

The data identified by the following URLs was then requested from the remote web server:

http://blue.celevz.com/cs0719/
http://fish.lonzve.com/cs0719/
http://zone.opinvz.com/cs0719/
http://more.qeletz.com/cs0719/
http://cute.spinze.com/cs0719/
http://69.46.84.187/xx/get.asp?mac=38FFB0DF3BC5751A574FFFF62EA49037&ver=winxp Professional&avs=unknow&os=NO.

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