ThreatExpert Report: Trojan.Win32.Nebuler, Troj/Nuage-B

Submission Summary:

Submission details:

Submission received: 6 October 2012, 20:04:12
Processing time: 9 min 56 sec
Submitted sample:

File MD5: 0xC97BB6CF85E4260DF6CF1CA4E6F010F4
File SHA-1: 0xE6BD8AF55A3B418BC2F9910099CBB109F5433303
Filesize: 366,734 bytes
Alias: Trojan.Win32.Nebuler [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\FILE_ID.DIZ	48 bytes	MD5: 0x645D3EE70CE0F661B971126875EEA36C SHA-1: 0x903454C047AF1E3C909629636F576A68FCE42A1B	(not available)
2	%Temp%\Hide_My_Ip_V_5_serials_key_by_ViKiNG.exe	376,320 bytes	MD5: 0x53CDC5E32CE394C9BBD608AB31706513 SHA-1: 0x8BCD01485C91B08FA8BD00A6300F962CC6AD2031	Trojan.Win32.Nebuler [Ikarus] packed with UPX [Kaspersky Lab]
3	%Temp%\ViKiNG.nfo	2,921 bytes	MD5: 0x51B6DB381292A9C0ACD56E76415689EB SHA-1: 0xD235F6C057B6E4F83A988F26981168041CF2D5BC	(not available)
4	%System%\msixld32.dll %System%\msizph32.dll	177,152 bytes	MD5: 0xA3F08E1B7245D2CCD9F3AACF6ABCD07C SHA-1: 0x0DCB2B156F2E5FE5307BB40B5AE9606C992D9106	Troj/Nuage-B [Sophos] Trojan.Win32.Nebuler [Ikarus] packed with UPX [Kaspersky Lab]
5	[file and pathname of the sample #1]	366,734 bytes	MD5: 0xC97BB6CF85E4260DF6CF1CA4E6F010F4 SHA-1: 0xE6BD8AF55A3B418BC2F9910099CBB109F5433303	Trojan.Win32.Nebuler [Ikarus]

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).

Memory Modifications

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
msixld32.dll	%System%\msixld32.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0xB50000 - 0xBD7000
msizph32.dll	%System%\msizph32.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0xB50000 - 0xBD7000

Notes:

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

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\xQweKq

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

MSIDLL = "rundll32.exe msizph32.dll,thTUeHH"

so that msizph32.dll runs every time Windows starts

Other details

To mark the presence in the system, the following Mutex object was created:

c14f7bg943

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
madcapphotoworks.com	80	(null)	(null)
www.bts.brainz.cz	80	(null)	(null)
www.kopta-vojtech.xf.cz	80	(null)	(null)

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

http://www.flashbug.xf.cz/admin/index.php?q=102031
http://www.lamy.mysteria.cz/admin/index.php?q=102046
http://www.lantisnt1bnt.w8w.pl/admin/index.php?q=102125
http://www.lantisnt1bnt.w8w.pl/admin/index.php?q=132734
http://www.lamy.mysteria.cz/admin/index.php?q=132734
http://www.flashbug.xf.cz/admin/index.php?q=132734
http://www.flashbug.xf.cz/admin/index.php?q=206312
http://www.lamy.mysteria.cz/admin/index.php?q=206312
http://www.lantisnt1bnt.w8w.pl/admin/index.php?q=206312

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