TSPY_ZBOT.CGT
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data. It attempts to steal information, such as user names and passwords, used when logging into certain banking or finance-related websites.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be downloaded from the following remote sites:
- http://{BLOCKED}ahsh.ru/bin/koethood.exe
Installation
This Trojan adds 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.)
It injects itself into the following processes as part of its memory residency routine:
- ctfmon.exe
- explorer.exe
- rdpclip.exe
- taskeng.exe
- taskhost.exe
- wscntfy.exe
Autostart Technique
This Trojan 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 Trojan adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
{random}
Dropping Routine
This Trojan drops the following files:
- %Application Data%\{random1}\{random}.exe
- %Application Data%\{random2}\{random}.{random}
(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 Trojan attempts to steal sensitive online banking information, such as user names and passwords. This routine risks the exposure of the user's account information, which may then lead to the unauthorized use of the stolen data.
It accesses the following site to download its configuration file:
- http://{BLOCKED}ooqu.ru/bin/koethood.bin
- http://{BLOCKED}edei.ru/bin/koethood.bin
- http://{BLOCKED}ueaz.ru/bin/koethood.bin
- http://{BLOCKED}oeng.ru/bin/koethood.bin
- http://{BLOCKED}aigu.ru/bin/koethood.bin
- http://{BLOCKED}aeph.ru/bin/koethood.bin
- http://{BLOCKED}ahsh.ru/bin/koethood.bin
- http://{BLOCKED}edai.ru/bin/k ethood.bin
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?*
- */my.ebay.com/*CurrentPage=MyeBayPersonalInfo*
- *bankofamerica.com/cgi-bin*
- 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://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback&*
- http://theida.ru/script.js
- 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.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:
- Associated Bank
- Bank of America
- Chase
- Citibank
- Citizens
- Citizens Bank
- Clydesdale
- Comerica
- Ebay
- Fifth Third
- First Citizens Bank
- First Tennessee
- Frost Bank
- HSBC
- Halifax
- Huntington Business Online
- ING Direct
- JP Morgan
- Microsoft
- National City
- NetTeller
- Northern Trust
- PNC
- PayPal
- RBC
- Raiffeisen
- Schwab
- Scotiabank
- Scottrade
- Sterling
- Suntrust
- TD Bank
- US Bank
- Union Bank of California
- Wachovia
- Washington Mutual
- Wells Fargo
Stolen Information
This Trojan sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}edai.ru/9xq/_gate.php
Variant Information
This Trojan has the following MD5 hashes:
- fbf59a8d3b279f919b55c7afb08a9327
It has the following SHA1 hashes:
- 4b745ca6480a516b4ac9b7e26c3fa2c436dfc0d8
SOLUTION
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
Identify and delete files detected as TSPY_ZBOT.CGT using the Recovery Console
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
Search and delete this folder
%Application Data%\{random2}
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.CGT. 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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