ThreatExpert Report: Trojan-Dropper.Agent

Submission Summary:

Submission details:

Submission received: 11 December 2009, 15:54:30
Processing time: 8 min 42 sec
Submitted sample:

File MD5: 0xA17C600B95DE4E8B0A8BD23B0D2D1A08
File SHA-1: 0x1388B93C109B21825026A12A3C3BC0B476666287
Filesize: 53,248 bytes
Alias: Trojan-Dropper.Agent [Ikarus]

Summary of the findings:

What's been found	Severity Level
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	%UserProfile%\UserData\index.dat	16,384 bytes	MD5: 0x45A6FA6B42D2F68FDF9A8898A6EEDAD4 SHA-1: 0x55C7C65EFF73094AA0A20DFD39CAB686FA4FC728	(not available)
2	[file and pathname of the sample #1]	53,248 bytes	MD5: 0xA17C600B95DE4E8B0A8BD23B0D2D1A08 SHA-1: 0x1388B93C109B21825026A12A3C3BC0B476666287	Trojan-Dropper.Agent [Ikarus]

Note:

%UserProfile% is a variable that specifies the current user's profile folder. By default, this is C:\Documents and Settings\[UserName] (Windows NT/2000/XP).

The following directories were created:

%UserProfile%\UserData
%UserProfile%\UserData\7H01KUDE
%UserProfile%\UserData\9ABU45O7
%UserProfile%\UserData\F7QI1BU4
%UserProfile%\UserData\H91KUDNF

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]	53,248 bytes

Other details

The following port was open in the system:

Port	Protocol	Process
1053	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
204.0.5.17	80
204.0.5.25	80
204.0.5.9	80
208.109.181.229	80
208.109.181.36	80
63.215.202.17	80
63.215.202.22	80
66.77.197.153	80
66.94.244.24	80
72.167.131.99	80

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

http://content.yieldmanager.edgesuite.net/atoms/07/66/3d/37/07663d37a25eb921ebdc7cb8586d4989.gif
http://a.l.yimg.com/a/lib/s5/srp_metro_ie_200911191021.css
http://a.l.yimg.com/a/i/us/sch/gr4/srp_metro_20090910.png
http://a.l.yimg.com/a/lib/s5/srp_metro_200910161223.js
http://a.l.yimg.com/a/lib/s5/srp_metro_lazy_200911231246.js
http://a.l.yimg.com/a/i/us/search/favicon/y/yahoo2.com.png
http://a.l.yimg.com/a/i/us/search/favicon/e/ehow.com.png
http://a.l.yimg.com/a/i/us/search/favicon/s/starwoodhotels.com.png
http://a.l.yimg.com/a/i/us/search/favicon/a/answers.com.png
http://a.l.yimg.com/a/i/us/search/favicon/w/wikipedia.org.png
http://a.l.yimg.com/a/lib/s5/srp_metro_searchmonkey_200909011619.js
http://a.l.yimg.com/a/i/us/search/favicon/e/education.com.png
http://a.l.yimg.com/a/i/us/search/favicon/n/newsvine.com.png
http://a.l.yimg.com/a/i/us/search/favicon/a/amazon.com.png
http://a.l.yimg.com/a/i/us/search/favicon/z/zappos.com.png
http://a.l.yimg.com/a/i/us/search/favicon/j/jcwhitney.com.png
http://a.l.yimg.com/a/lib/s5/searchpad_core_metro_js_200911061221.js
http://content.yieldmanager.com/ak/q.gif
http://www.forumswatcher.com/adspace_bc_ref_1.htm
http://www.forumswatcher.com/SeekSearchRef.htm
http://www.forumswatcher.com/SeekAskSearchRefSE.htm
http://www.forumswatcher.com/SeekSearchRef2.htm
http://www.forumswatcher.com/ValueClick.html
http://www.forumswatcher.com/valueclick_test133.asp
http://www.forumswatcher.com/adspace_bc_1.asp
http://www.forumswatcher.com/con_search_my_mini_new.asp
http://www.forumswatcher.com/ask_search_my_mini_new_se.asp
http://www.forumswatcher.com/adserv.html
http://www.forumswatcher.com/con_search_my_mini_new2.asp
http://www.forumswatcher.com/search_my_mini_yahoo_new_all.asp
http://www.infima-compression.com/SeekAskSearchRefSE1.htm
http://www.infima-compression.com/ask_search_my_mini_new_se_2.asp
http://www.infima-compression.com/YahooSearchRef1.htm
http://www.infima-compression.com/adspace_ask_se.asp
http://www.infima-compression.com/search_my_mini_new_se.asp
http://media.fastclick.net/w/pop.cgi?sid=40480&m=2&tp=2&v=1.8&c=43&no_cj_c=1&upsid=476613159038
http://media.fastclick.net/w/get.media?sid=40480&m=1&tp=5&d=j&t=n
http://media.fastclick.net/w/get.media?sid=40480&m=1&tp=5&d=j&t=n&no_cj_c=0&upsid=476613159038
http://media.fastclick.net/w/pop.cgi?sid=40480&m=2&tp=2&v=1.8&c=43
http://rd.apmebf.com/w/pop.cgi?sid=40480&m=2&tp=2&v=1.8&c=43&host=media.fastclick.net
http://rd.apmebf.com/w/get.media?sid=40480&m=1&tp=5&d=j&t=n&host=media.fastclick.net
http://search.conduit.com/Results.aspx?ctid=CT2087302&octid=CT2087302&q=Theodore
http://search.conduit.com/version-styles/default.css?ver=19811989
http://search.conduit.com/Images/Search/powered_by_google_whitebg.gif
http://search.conduit.com/img/Magnifier.gif
http://search.conduit.com/img/close_no_boder.gif
http://search.conduit.com/version-scripts/default.js?ver=1960101683
http://ad.adserverplus.com/imp?Z=728x90&x=http%3A%2F%2Fmedia%2Efastclick%2Enet%2Fw%2Fclick%2Ehere%3Fcid%3D183247%26mid%3D345949%26sid%3D40480%26m%3D1%26c%3D0%26forced%5Fclick%3D$&s=651933&_salt=749084126&B=10&m=2&r=0
http://www.mysystemexpert.com/search_my_mini_yahoo_new_all.asp
http://search.yahoo.com/search?ei=utf-8&fr=slv8-appz&type=&p=Hare
http://search.yahoo.com/search?ei=utf-8&fr=slv8-appz&type=&p=Anti-Vaccination
http://search.yahoo.com/search?ei=utf-8&fr=slv8-appz&type=&p=Robert
http://thm-a01.yimg.com/image/18f6c201f953f160
http://thm-a01.yimg.com/image/71a15c53b7cd605a
http://thm-a01.yimg.com/image/2b3bb00ee38232f4
http://adtrack.kindsight.net/adserving/images/blank.jpg
http://ads.kindsight.net/adserving/javascript/swfobject.js
http://ads.kindsight.net/adserving/images/blank.gif
http://ad.yieldmanager.com/imp?Z=728x90&x=http%3A%2F%2Fmedia%2Efastclick%2Enet%2Fw%2Fclick%2Ehere%3Fcid%3D183247%26mid%3D345949%26sid%3D40480%26m%3D1%26c%3D0%26forced%5Fclick%3D$&s=651933&_salt=749084126&B=10&m=2&r=0
http://ad.yieldmanager.com/imp?Z=728x90&x=http%3A%2F%2Fmedia%2Efastclick%2Enet%2Fw%2Fclick%2Ehere%3Fcid%3D183247%26mid%3D345949%26sid%3D40480%26m%3D1%26c%3D0%26forced%5Fclick%3D$&s=651933&_salt=749084126&B=10&m=2&r=0&SIG=10vt3r9a9;x-cookie=1rhe69u5v5t8g&o=4&f=wv
http://cookex.amp.yahoo.com/v2/cexposer/SIG=16s7186fp/*http%3A//ad.yieldmanager.com/imp?Z=728x90&x=http%3A%2F%2Fmedia%2Efastclick%2Enet%2Fw%2Fclick%2Ehere%3Fcid%3D183247%26mid%3D345949%26sid%3D40480%26m%3D1%26c%3D0%26forced%5Fclick%3D$&s=651933&_salt=749084126&B=10&m=2&r=0
http://sm-a1.yimg.com/image/?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F6%2F6c%2FButch_O%2527Hare.jpg%2F200px-Butch_O%2527Hare.jpg&t=1260568861&ttl=43200&sig=zogE9MFtw_grovT0klCCXA--~B
http://sm-a1.yimg.com/image/?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F2%2F2d%2FFeldhase.jpg%2F180px-Feldhase.jpg&t=1260568861&ttl=43200&sig=ic4WyPQJrqrdK20sDMmS.Q--~B
http://sm-a1.yimg.com/image/?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2Fd%2Fd6%2FThe_cow_pock.jpg%2F300px-The_cow_pock.jpg&t=1260568864&ttl=43200&sig=3p4fi1QsM9RJ46nf5QIfxQ--~B
http://ec.yimg.com/ec?url=http%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F6%2F6c%2FButch_O%2527Hare.jpg%2F200px-Butch_O%2527Hare.jpg&t=1260568861&ttl=43200&sig=.4jHlnACEAVwWiqJY0E.Og--~B
http://storage.conduit.com/2/208/CT2087302/Images/633645065407800000.gif

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