TSPY_ZBOT.EZQA
Windows 2000, XP, Server 2003
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This spyware 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 spyware may be downloaded from the following remote sites:
- http://{BLOCKED}desh.com/newz/teasty.exe
Installation
This spyware 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:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
It injects itself into the following processes running in the affected system's memory:
- explorer.exe
- taskhost.exe
- taskeng.exe
- Dwm.exe
- wscntfy.exe
- ctfmon.exe
- rdpclip.exe
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
{GUID of mount point of %Windows%} = %Application Data%\{random1}\{random}.exe
It drops the following files:
- %Application Data%\{random1}\{random}.exe - copy of itself
- %Application Data%\{random2}\{random} - contains encrypted stolen data
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista and 7.)
Other System Modifications
This spyware creates the following registry entry(ies) to bypass Windows Firewall:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%WINDOWS%\\EXPLORER.EXE = %WINDOWS%\EXPLORER.EXE:*:Enabled:Windows Explorer
Information Theft
This spyware monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar. It recreates a legitimate website with a spoofed login page if a user visits banking sites with the following strings in the address bar and/or title bar:
- *banking.bankofscotland.co.uk/Logon/Logon.aspx*
- *https://banking.postbank.de/app/finanzstatus.init.do;jsessionid*
- *postbank.de*
- *schwab.com/*
- http*.53.com*
- http*.53.com*RSAScript.js*
- 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*://*hsbc.co.uk*
- http*://www.hsbc.co.uk/1/2*
- 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://eigach.ru/script.js
- https*/pub/html/login.html*
- https://*.web-access.com*welcome.cgi*
- 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://authmaster.nationalcity.com/tmgmt/js/bharosa_uio.js*
- https://authmaster.nationalcity.com/tmgmt/wslogin.jsp*
- 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://commercial.wachovia.com/Online/Financial/Business/Service?action=Login*
- https://commercial.wachovia.com/Online/Registration/jsinclude/bidata.js
- https://direct.bankofamerica.com/BofaDirect/javascript/js.util.uiutils.js*
- https://direct.bankofamerica.com/Core/servlet/BofaDirect.BankofAmericaDirect.BankofAmericaDirectServlet?page=PgLogin*
- https://ecash.*
- https://internetbanking.firsttennessee.biz/webcm/customer1.asp*
- https://olb.gnty.com/Login/Username.aspx*
- https://premierview.membersunited.org/Core/login.aspx*
- https://premierview.membersunited.org/WebResource.axd*
- 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://treas-mgt.frostbank.com/rdp/cgi-bin/welcome.cgi*
- 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.halifax-online.co.uk/MyAccounts/*
- https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
- https://www.halifax-online.co.uk/_mem_bin/formslogin.asp
- https://www.nationalcity.com/consultnc/*
- https://www.nationalcity.com/sharedApp/js/isEmpty.js*
- 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://www3683.ntrs.com/ptl/ptl/javascript/NavigationMenuScripts.js*
- https://www8.comerica.com/*
- https://www8.comerica.com/images/sdc.js
It accesses the following site to download its configuration file:
- http://{BLOCKED}adnyiglaz.com/wetu.img
- http://{BLOCKED}aothuia.com/weyu.img
- http://{BLOCKED}zhope.com/wey.img
- http://{BLOCKED}emm.com/wey.img
- http://{BLOCKED}mburr.com/wey.img
It attempts to steal information from the following banks and/or other financial institutions:
- ANZ
- Bank of America
- Fifth Third
- HSBC
- Halifax
- National City
- PNC
- US Bank
- Union Bank of California
- Wachovia
Drop Points
Stolen information is uploaded to the following websites:
- http://{BLOCKED}desh.com/newz/vnaevb8a3v4.php
Other Details
This spyware does the following:
- It adds the following registry key as part of its installation routine:
HKEY_CURRENT_USER\Software\Microsoft\{random}
- It adds the following registry entries to disable IE PhishingFilter:
HKEY_CURRENT_USER\Software\Microsof\Internet Explorer\PhishingFilter Enabled =0
HKEY_CURRENT_USER\Software\Microsoft\InternetExplorer\PhishingFilter EnabledV8 =0 - It is also capable of stealing the following information:
- Personal Certificates (MY)
- FTP credentials for the following FTP applications:
- flashxp
- ghisler
- ipswitch
- filezilla
- ftpfar
- winscp
- ftpcommander
- coreftp
- smartftp
- Flashplayer data
- Internet session cookies
Variant Information
This spyware has the following MD5 hashes:
- 8c1856658ddfbac66f9c81aeaafa4533
It has the following SHA1 hashes:
- 2b009f600ff0705f1e8f78360599e82ccf011f1e
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Restart in Safe Mode
Step 3
Search and delete this folder
Step 4
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_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
- %WINDOWS%\EXPLORER.EXE =%WINDOWS%\EXPLORER.EXE:*:Enabled:Windows Explorer
- %WINDOWS%\EXPLORER.EXE =%WINDOWS%\EXPLORER.EXE:*:Enabled:Windows Explorer
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\PhishingFilter
- Enabled =0
- Enabled =0
- In HKEY_CURRENT_USER\Software\Microsoft\InternetExplorer\PhishingFilter
- EnabledV8 =0
- EnabledV8 =0
Step 5
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.
- In HKEY_CURRENT_USER\Software\Microsoft\
- {random}
- {random}
Step 6
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.EZQA. 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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