ThreatExpert Report: Downloader-CEW.b, Mal/FakeAV-CX

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 29 October 2010, 05:34:17
Processing time: 8 min 36 sec
Submitted sample:

File MD5: 0xBA67DCE9C3E102D87F9163474933E8D1
File SHA-1: 0x1E5C1D31FA1C64592B39FB739889126D82F4BEE6
Filesize: 245,760 bytes
Alias:

Downloader-CEW.b [McAfee]
Mal/FakeAV-CX [Sophos]

Summary of the findings:

What's been found	Severity Level
Produces outbound traffic.
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	245,760 bytes	MD5: 0xBA67DCE9C3E102D87F9163474933E8D1 SHA-1: 0x1E5C1D31FA1C64592B39FB739889126D82F4BEE6	Downloader-CEW.b [McAfee] Mal/FakeAV-CX [Sophos]
2	%Windir%\Tasks\{BBAEAEAF-1275-40e2-BD6C-BC8F88BD114A}.job	274 bytes	MD5: 0x3601A013C05ABD0D216DD758758B2F45 SHA-1: 0x845F533544D41F2347294469AB98318A574CF9EF	(not available)

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	245,760 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health
HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Health\{EAE6105D-B7C0-48D7-94CD-061B4378BB8A}
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\?
HKEY_CURRENT_USER\Software\NtWqIVLZEWZU

The newly created Registry Values are:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\?]

1601 = 0x00000000

[HKEY_CURRENT_USER\Software\NtWqIVLZEWZU]

Aty1 = "eYxK2YU091U0HrpsjvSIjxvXB02vD1zqtMMayT430jqjaaR30ZM5lXzmyQwo1BS9zX3f2jaiespkg2UyA/pZSVoL+qfUyrDqhI7+"
Aqo5 = 0x01CB782E
AqoF = 0xCE69F3B0
AqoJ = 0x00000001
AqoV = 0x00000001
AqoE = 0x01CB7767
AqoA = 0xBC714DB0

Other details

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

Russian Federation

The following port was open in the system:

Port	Protocol	Process
1052	UDP	[file and pathname of the sample #1]

There were registered attempts to establish connection with the remote hosts. The connection details are:

Remote Host	Port Number
173.212.206.108	80
173.241.242.20	80
64.208.241.43	80
64.208.241.67	80
64.94.107.18	80
64.94.107.26	80
66.114.51.97	80
67.215.253.139	80
68.180.172.33	80
74.125.227.15	80

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

http://content.yieldmanager.edgesuite.net/atoms/ce/81/c8/5a/ce81c85addd04b7f98fa383a91ca2ed1.gif
http://content.yieldmanager.com/ak/q.gif
http://secure.quantserve.com/quant.js
http://www.statcounter.com/counter/counter.js
http://cookex.amp.yahoo.com/v2/cexposer/SIG=12hj3gqtt/*http%3A//ad.yieldmanager.com/imp?Z=0x0&y=29&s=1348694&_salt=3961041304&B=10&r=1
http://www.google-analytics.com/ga.js
http://s0.2mdn.net/2580284/PID_1434310_CarSuv160x600BAckUp.jpg
http://ad.doubleclick.net/adj/N4694.Beep133/B4574226.9;sz=160x600;ord=[timestamp]?
http://ad.doubleclick.net/activity;src=2580284;met=1;v=1;pid=45087849;aid=231043664;ko=0;cid=38845048;rid=38862805;rv=1;&timestamp=1288355683067;eid1=9;ecn1=1;etm1=0;
http://ad.doubleclick.net/activity;src=2580284;met=1;v=1;pid=45087849;aid=231043664;ko=0;cid=38845048;rid=38862805;rv=1;&timestamp=1288355683067;eid1=9;ecn1=1;etm1=0;&_dc_ck=try
http://ad.velmedia.net/showads.php?id=34
http://ad.velmedia.net/showads.php?id=36
http://ad.velmedia.net/ads/ad119.html
http://ad.velmedia.net/ads/ad121.html
http://www.vidics.com/watch/2777/Repo-Men-2010.php?xtend=1
http://www.vidics.com/css/style.css
http://www.vidics.com/js/JQ_UI/jquery-1.4.2.min.js
http://www.vidics.com/images/bg.jpg
http://www.vidics.com/js/browser_check.js
http://www.vidics.com/images/logo.jpg
http://www.vidics.com/images/big_img.jpg
http://www.vidics.com/lang/en.png
http://www.vidics.com/lang/arrow.png
http://www.vidics.com/lang/de.png
http://www.vidics.com/lang/es.png
http://www.vidics.com/lang/it.png
http://www.vidics.com/lang/fr.png
http://www.vidics.com/lang/pt.png
http://www.vidics.com/images/search_btn.jpg
http://www.vidics.com/images/becomefan.png
http://www.vidics.com/images/twitter.jpg
http://www.vidics.com/js/aff.js
http://www.vidics.com/SpryAssets/SpryCollapsiblePanel.js
http://www.vidics.com/SpryAssets/SpryCollapsiblePanel.css
http://l.addthiscdn.com/live/t00/100lo.gif?d0soem&uid=4ccabf614d5318bc&CXNID=2000001.5215456080540439072NXC&pub=velhost&rev=83971&si=4ccabf5f1412e9a0&ln=en&pc=men&uf=1&pi=1&dp=www.vidics.com&fp=watch%2F2777%2FRepo-Men-2010.php%3Fxtend%3D1
http://s9.addthis.com/js/widget.php?v=10
http://s7.addthis.com/static/r07/widget48.css
http://s7.addthis.com/static/r07/sh26.html
http://ad.xtendmedia.com/st?ad_type=pop&ad_size=0x0&section=1348694&banned_pop_types=29&pop_times=3&pop_frequency=86400
http://ad.xtendmedia.com/imp?Z=0x0&y=29&s=1348694&_salt=3961041304&B=10&r=1
http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=160x600&section=1292958
http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=300x250&section=1292958
http://ad.xtendmedia.com/imp?Z=160x600&s=1292958&_salt=1853870057&B=10&u=http%3A%2F%2Fad.velmedia.net%2Fads%2Fad119.html&r=0
http://ad.xtendmedia.com/imp?Z=300x250&s=1292958&_salt=1316007252&B=10&u=http%3A%2F%2Fad.velmedia.net%2Fads%2Fad121.html&r=0
http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=1348694&_salt=3961041304&B=10&r=1
http://ad.yieldmanager.com/imp?Z=160x600&s=1292958&_salt=1853870057&B=10&u=http%3A%2F%2Fad.velmedia.net%2Fads%2Fad119.html&r=0
http://ad.yieldmanager.com/imp?Z=300x250&s=1292958&_salt=1316007252&B=10&u=http%3A%2F%2Fad.velmedia.net%2Fads%2Fad121.html&r=0
http://ad.yieldmanager.com/imp?Z=0x0&y=29&s=1348694&_salt=3961041304&B=10&r=1&SIG=10v784jfd;x-cookie=33d4ey56py8d3&o=4&f=9c

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 80:

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.