ThreatExpert Report: Troj/Nonaco-Gen, TrojanDownloader:Win32/Nonaco.J, Trojan.BHO

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Submission Summary:

Submission details:

Submission received: 28 May 2009, 19:49:30
Processing time: 5 min 4 sec
Submitted sample:

File MD5: 0x9F7BBA0C5DE7A66A958592E6FE6D6010
File SHA-1: 0x768215A7B28DC25D7F9F96F047CC7B9228A83800
Filesize: 15,872 bytes
Packer info: packed with: PE_Patch.UPX [Kaspersky Lab]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	c:\43454354.bat	161 bytes	MD5: 0x4E403FD247893DA6F45C927047978282 SHA-1: 0x8893E606D494DF9FB08C84269859D647078047CF	(not available)
2	[file and pathname of the sample #1]	15,872 bytes	MD5: 0x9F7BBA0C5DE7A66A958592E6FE6D6010 SHA-1: 0x768215A7B28DC25D7F9F96F047CC7B9228A83800	packed with PE_Patch.UPX [Kaspersky Lab]
3	%System%\sysloc\sysloc.dll	22,528 bytes	MD5: 0xF6BC4FB2988B8871EC978D98542A73D4 SHA-1: 0x03A114370A0F51F6126397B743293B2A59C99A6D	Troj/Nonaco-Gen [Sophos] TrojanDownloader:Win32/Nonaco.J [Microsoft] Trojan.BHO [Ikarus]

Note:

%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:

%System%\sysloc

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	49,152 bytes

Notes:

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

Other details

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

Russian Federation

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