ThreatExpert Report: Trojan-Dropper.Win32.Wansrog, Trojan.Win32.Wansrog

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Submission Summary:

Submission details:

Submission received: 10 November 2009, 01:38:24
Processing time: 7 min 41 sec
Submitted sample:

File MD5: 0x8A46E66131D7B0F36833C7185FC1E692
File SHA-1: 0x9F193699B2D8BB780B55473659872D0B7E4B1087
Filesize: 68,096 bytes
Alias & packer info:

Trojan-Dropper.Win32.Wansrog [Ikarus]
packed with: PE_Patch.UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Registers a 32-bit in-process server DLL.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\61.tmp	68,096 bytes	MD5: 0x8A46E66131D7B0F36833C7185FC1E692 SHA-1: 0x9F193699B2D8BB780B55473659872D0B7E4B1087	Trojan-Dropper.Win32.Wansrog [Ikarus] packed with PE_Patch.UPX [Kaspersky Lab]
2	%System%\jrtivweq.dat	236,552 bytes	MD5: 0xEE9B1FEFB2FBE701ADA29AB0411C9C3C SHA-1: 0x6A1B0B7EF0E6FE6B62C4029480453F8338AF60F8	Trojan.Win32.Wansrog [Ikarus]
3	%System%\lauvkmdic.dll	983,552 bytes	MD5: 0x888190E31455FAD793312F8D087146EB SHA-1: 0x775191D293016D9541DDD6AEF5AC94AB3776849A	(not available)
4	%System%\zoijyarwq.dll	616,960 bytes	MD5: 0x1AFF244CA134956C54474F4E2433E4CE SHA-1: 0xBADA2E56BF23113BD7FA62FE2F159B514B66F02B	(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).

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{cdf4f30d-457c-9ac1-568d-457c7b855bef}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{cdf4f30d-457c-9ac1-568d-457c7b855bef}\InprocServer32

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{cdf4f30d-457c-9ac1-568d-457c7b855bef}\InprocServer32]

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

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{cdf4f30d-457c-9ac1-568d-457c7b855bef}]

(Default) = ""

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion]

t = "009"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad]

mbvwlnejd = "{cdf4f30d-457c-9ac1-568d-457c7b855bef}"

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