TSPY_ZBOT.ZKA
Windows 98, ME, NT, 2000, XP, Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Once users access any of the monitored sites, it starts logging keystrokes. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.
It attempts to get information from a list of banks or financial institutions.
TECHNICAL DETAILS
166,400 b bytes
EXE
Yes
Steals information
Infection Points
This spyware arrives as a file downloaded from the following URLs:
- hxxp://{BLOCKED}ooqu.ru/bin/koethood.exe
Installation
This spyware creates the following folders:
- %Application Data%\{random1}
- %Application Data%\{random2}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{6D28A461-0014-C635-A5FF-728A3F093FBA} = %Application Data%\{random1}\{random}.exe
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
{random}
{default} =
Dropping Routine
This spyware drops the following files:
- %Application Data%\{random1}\{random}.exe
- %Application Data%\{random2}\{random}.yke
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
Information Theft
This spyware accesses the following site to download its configuration file:
- http://zephehooqu.ru/bin/koethood.bin
- http://railuhocal.ru/bin/koethood.bin
- http://dahzunaeye.ru/bin/koethood.bin
- http://iveeteepew.ru/bin/koethood.bin
- http://thooluedei.ru/bin/koethood.bin
- http://aileiqueaz.ru/bin/koethood.bin
Once users access any of the monitored sites, it starts logging keystrokes.
It attempts to access a website to download a file which contains information where the Trojan can download an updated copy of itself, and where to send its stolen data. This configuration file also contains the following list of targeted bank-related websites from which it steals information:
- *.ebay.com/*eBayISAPI.dll?*
- *.microsoft.com/*
- */atl.osmp.ru/*
- */login.osmp.ru/*
- */my.ebay.com/*CurrentPage=MyeBayPersonalInfo*
- *EBC_EBC1961*
- *EBC_EBC1961/EBC_NEC/RSAEncrypt.js*
- *amazon.com*
- *bankofamerica.com/cgi-bin*
- *blogger.com*
- *ebc_ebc1961*
- *ebc_ebc1961/EBC_NEC/RSAEncrypt.js*
- *flickr.com*
- *livejournal.com*
- *myspace.com*
- *youtube.com*
- http*.webcashmanager.com*Login*
- http*.webcashmgmt.com*Login*
- http*/phcp/econnection/login/js/login.htm*
- http*/phcp/servlet*Login*
- http*/wcmfd/*Login*
- http*/wcmfd/js/LoginCSS.js*
- http*bolb.associatedbank.com*
- http*bolb.associatedbank.com/js/jquery.js*
- http*business-eb.ibanking-services.com*general.js*
- http*business-eb.ibanking-services.com/K1/*login*jsp*
- http*ebanking-services.com/*
- http*ebanking-services.com/AUTH/WebResource.axd*
- http*scripts/injScp.js*
- http*sso.uboc.com/js/ub-common.js*
- http*sso.uboc.com/obc/forms/login.fcc*
- http*treasury.pncbank.com/portal/esec/login.ht*
- http*treasury.pncbank.com/portal/service/js/loginproc.js*
- http*www.northerntrust.com/*
- http*www.northerntrust.com/incs/scripts.js
- http*www3683.ntrs.com*
- http://*
- http://*/s/
- http://*/u/
- http://*odnoklassniki.ru/*
- http://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback&*
- http://theida.ru/script.js
- http://vkontakte.ru/*
- https*/pub/html/login.html*
- https://*.web-access.com*welcome.cgi*
- https://*/IBWS/checkUser.do
- https://*/cmserver*verify.cfm*
- https://*/onlineserv/CM/*
- https://*/onlineserv/CM/std/js/en/disofactor.js*
- https://*Cashman*
- https://*blilk.com/Core/Authentication/MFA*.aspx*
- https://*blilk.com/include/Utils.js*
- https://*cashman*
- https://*cmserver/include/ui/uiScripts.js*
- https://*login_ui_includes/login_brandScripts.js*
- https://a248.e.akamai.net/6/248/3583/000/wellsoffice.wellsfargo.com/ceoportal/framework/skins/default/js/wria/wria-core-min.js*
- https://access.jpmorgan.com/appmanager/jpmalogonportal/jpmalogonhome*
- https://authmaster.nationalcity.com/tmgmt/js/bharosa_uio.js*
- https://authmaster.nationalcity.com/tmgmt/wslogin.jsp*
- https://businessaccess.citibank.citigroup.com/cbusol/do/htmlserver/js/env.js*
- https://businessaccess.citibank.citigroup.com/cbusol/signon.do*
- https://businessonline.huntington.com/BOLHome/BusinessOnlineLogin.aspx*
- https://businessonline.huntington.com/common/scripts/common.js*
- https://businessonline.tdbank.com/CorporateBankingWeb/VAM/2_0_2/VAM.js*
- https://businessonline.tdbank.com/corporatebankingweb/core/login.aspx*
- https://cashmgt.firsttennessee.biz/cb/servlet/cb/login.jsp*
- https://cbs.firstcitizens.com/cb/jsp-ns/inc/auth/fp.js*
- https://cbs.firstcitizens.com/cb/servlet/cb/loginfcbnc.jsp*
- https://chaseonline.chase.com/MyAccounts.aspx
- https://chsec.wellsfargo.com/login/login.fcc*
- https://client.schwab.com/Accounts/Summary/Summary.aspx*
- https://client.schwab.com/App_Themes/greenfield/images/logo.gif
- https://cm.netteller.com/login2008/Authentication/Views/Login.aspx*
- https://cm.netteller.com/login2008/Scripts/NetTellerCorners.js*
- https://commercial.wachovia.com/Online/Financial/Business/Service?action=Login*
- https://commercial.wachovia.com/Online/Registration/jsinclude/bidata.js
- https://direct.53.com/logon53Direct.jsp*
- https://direct.bankofamerica.com/BofaDirect/javascript/js.util.uiutils.js*
- https://direct.bankofamerica.com/Core/servlet/BofaDirect.BankofAmericaDirect.BankofAmericaDirectServlet?page=PgLogin*
- https://ecash.*
- https://express.53.com/express/logon.action
- https://express.53.com/express/logon.action*
- https://express.53.com/express/rsa/RSAScript.js*
- https://home.cbonline.co.uk/cbib/cbib/*
- https://internetbanking.firsttennessee.biz/webcm/customer1.asp*
- https://olb.gnty.com/Login/Username.aspx*
- https://online.citibank.com/*
- https://online.wamu.com/Servicing/Servicing.aspx?targetPage=AccountSummary
- https://online.wellsfargo.com/das/cgi-bin/session.cgi*
- https://onlinebanking.nationalcity.com/OLB/secure/AccountList.aspx
- https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/GotoWelcome
- https://p6.secure.hostingprod.com/@www.39davidworld.com/ssl/bott.jpg
- https://p6.secure.hostingprod.com/@www.39davidworld.com/ssl/head.jpg
- https://premierview.membersunited.org/Core/login.aspx*
- https://premierview.membersunited.org/WebResource.axd*
- https://secure.ingdirect.com/myaccount/INGDirect.html
- https://securentrycorp.*/Authentication/lib.js*
- https://securentrycorp.*/Authentication/zbf/k/*
- https://singlepoint.usbank.com/cs70_banking/logon/sbuser*
- https://singlepoint.usbank.com/cs70_banking/user/script/login.js*
- https://trading.scottrade.com/home/default.aspx
- https://treas-mgt.frostbank.com/rdp/cgi-bin/welcome.cgi*
- https://web.da-us.citibank.com/*BS_Id=MemberHomepage*
- https://wellsoffice.wellsfargo.com/ceoportal/signon/index.jsp
- https://wellsoffice.wellsfargo.com/ceoportal/signon/index.jsp*
- https://www#.citizensbankonline.com/*/index-wait.jsp
- https://www#.usbank.com/internetBanking/LoginRouter
- https://www.53.com/servlet/efsonline/index.html*
- https://www.53.com/wps/portal/*
- https://www.53.com/wps/portal/cblogin*
- https://www.bankofamerica.com/www/global/mvc_objects/images/mhd_reg_logo.gif
- https://www.commercial.hsbc.com.hk/1/2/!ut/p/kcxml/*
- https://www.commercial.hsbc.com.hk/1/themes/html/b2gjs/WT_top_section.js*
- https://www.corporatebanking.firsttennessee.com/cb/servlet/cb/jsp-ns/login.jsp*
- https://www.google.com/accounts/ig.gif
- https://www.gruposantander.es/*
- https://www.guard.scotiabank.com/guard/scolc/logon/loginAction
- https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
- https://www.halifax-online.co.uk/_mem_bin/formslogin.asp
- https://www.microsoft.com/library/media/1033/windows/images/internet-explorer/default/ie8_logo.gif\
- https://www.nashvillecitizensbank.com/olbb/Login2FA.asp
- https://www.nationalcity.com/consultnc/*
- https://www.nationalcity.com/sharedApp/js/isEmpty.js*
- https://www.paypal.com/*/webscr?cmd=_account
- https://www.paypal.com/*/webscr?cmd=_login-done*
- https://www.rbcroyalbank.com/includes/_assets-nonstandard/js/guj.js*
- https://www.rbcroyalbank.com/onlinebanking/legal.html\
- https://www.rbcroyalbank.com/onlinebanking/olbsecurity/index.html\
- https://www.rbcroyalbank.com/onlinebanking/privacy.html\
- https://www.rbcroyalbank.com/onlinebanking/trademarks/index.html\
- https://www.schwab.com/
- https://www.sterlingwires.com/
- https://www.suntrust.com/portal/server.pt*parentname=Login*
- https://www.ulsterbankanytimebanking.ie/login.aspx*
- https://www.us.hsbc.com/*
- https://www.us.hsbc.com/1/2/3/business/online/business-internet-banking/log-on*
- https://www.us.hsbc.com/1/themes/html/hbus_common/HSBC-top_section.js*
- https://www1.royalbank.com/cgi-bin/rbaccess/rb*
- https://www1.royalbank.com/cgi-bin/rbaccess/rbcgi3m01
- https://www1.royalbank.com/cgi-bin/rbaccess/rbcgi3m01
- https://www3683.ntrs.com/ptl/ptl/javascript/NavigationMenuScripts.js*
- https://www8.comerica.com/*
- https://www8.comerica.com/images/sdc.js
Note that the contents of the file, hence the list of websites to monitor, may change any time.
It attempts to steal information from the following banks and/or other financial institutions:
- Amazon
- Bank of America
- Blogger
- Chase
- Citibank
- Citizens
- Citizens Bank
- Clydesdale
- Ebay
- Fifth Third
- Flickr
- HSBC
- Halifax
- ING Direct
- Live Journal
- Microsoft
- Myspace
- National City
- Net Banking
- OSPM
- Odnoklassniki
- PNC
- PayPal
- RBC
- Raiffeisen
- Santander
- Scotiabank
- Suntrust
- US Bank
- Union Bank of California
- Vkontakte
- Wachovia
- Washington Mutual
- Wells Fargo
- YouTube
Attacked Entities
This spyware attempts to get information from a list of banks or financial institutions.
Stolen Information
This spyware sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}idie.ru/9xq/_gate.php
Variant Information
This spyware has the following MD5 hashes:
- 9b5b3f815ba2b039ac1e3fec0c77ee59
It has the following SHA1 hashes:
- ff570659eb09fc4e4c828e9e3b312ddab1b4026b
SOLUTION
8.900
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.
- In HKEY_CURRENT_USER\Software\Microsoft
- {random}
- {random}
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- {6D28A461-0014-C635-A5FF-728A3F093FBA} = %Application Data%\{random1}\{random}.exe
- {6D28A461-0014-C635-A5FF-728A3F093FBA} = %Application Data%\{random1}\{random}.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.ZKA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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