TSPY_ZBOT.BIZ

This {insert malware/spyware type} uses social engineering methods to lure users into performing certain actions that may, directly or indirectly, cause malicious routines to be performed. Specifically, it makes use of {insert social engineering attack here}.

This Trojan creates folders where it drops its files. It may be injected into processes running in memory.

It modifies the Internet Explorer Zone Settings.

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.

Arrival Details

This Trojan may be downloaded from the following remote sites:

• http://IWfybFyWi.com/pl/wggw.exe

Installation

This Trojan drops the following files:

• %Application Data%\{random1}\{random}.exe - copy of itself
• %Application Data%\{random2}\{random}.{3 random alpha character extension name} - encrypted file

(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 is injected into the following processes running in memory:

• ctfmon.exe
• dwm.exe
• explorer.exe
• rdpclip.exe
• taskeng.exe
• taskhost.exe
• wscntfy.exe

It may be injected into processes running in memory.

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
{GUID} = {malware path and file name}

Other System Modifications

This Trojan 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"

Web Browser Home Page and Search Page Modification

This Trojan modifies the Internet Explorer Zone Settings.

Information Theft

This Trojan monitors the Internet Explorer (IE) activities of the affected system, specifically the address bar or title 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 or title bar:

• http://eigach.ru/script.js
• https://cbs.firstcitizens.com/cb/servlet/cb/loginfcbnc.jsp*
• https://cbs.firstcitizens.com/cb/jsp-ns/inc/auth/fp.js*
• http*.webcashmgmt.com*Login*
• http*.webcashmanager.com*Login*
• http*/phcp/servlet*Login*
• http*/wcmfd/*Login*
• http*/phcp/econnection/login/js/login.htm*
• http*/wcmfd/js/LoginCSS.js*
• http*treasury.pncbank.com/portal/esec/login.ht*
• http*treasury.pncbank.com/portal/service/js/loginproc.js*
• http*sso.uboc.com/obc/forms/login.fcc*
• http*sso.uboc.com/js/ub-common.js*
• http*bolb.associatedbank.com*
• http*bolb.associatedbank.com/js/jquery.js*
• http*.53.com*
• http*.53.com*
• http*.53.com*RSAScript.js*
• http*.53.com*RSAScript.js*
• http*ebanking-services.com/*
• http*ebanking-services.com/AUTH/WebResource.axd*
• https://businessonline.huntington.com/BOLHome/BusinessOnlineLogin.aspx*
• https://businessonline.huntington.com/common/scripts/common.js*
• https*/pub/html/login.html*
• https://*/cmserver*verify.cfm*
• https://*/cmserver*verify.cfm*
• https://*cmserver/include/ui/uiScripts.js*
• https://*login_ui_includes/login_brandScripts.js*
• https://premierview.membersunited.org/Core/login.aspx*
• https://premierview.membersunited.org/WebResource.axd*
• https://*.web-access.com*welcome.cgi*
• https://*/onlineserv/CM/*
• https://*/onlineserv/CM/std/js/en/disofactor.js*
• https://businessonline.tdbank.com/corporatebankingweb/core/login.aspx*
• https://businessonline.tdbank.com/CorporateBankingWeb/VAM/2_0_2/VAM.js*
• https://authmaster.nationalcity.com/tmgmt/wslogin.jsp*
• https://www.nationalcity.com/consultnc/*
• https://authmaster.nationalcity.com/tmgmt/js/bharosa_uio.js*
• https://www.nationalcity.com/sharedApp/js/isEmpty.js*
• https://*blilk.com/Core/Authentication/MFA*.aspx*
• https://*blilk.com/include/Utils.js*
• https://olb.gnty.com/Login/Username.aspx*
• https://securentrycorp.*/Authentication/zbf/k/*
• https://securentrycorp.*/Authentication/lib.js*
• https://ecash.*
• https://*Cashman*
• https://*cashman*
• http*business-eb.ibanking-services.com/K1/*login*jsp*
• http*business-eb.ibanking-services.com*general.js*
• https://commercial.wachovia.com/Online/Financial/Business/Service?action=Login*
• https://commercial.wachovia.com/Online/Registration/jsinclude/bidata.js
• http*www.northerntrust.com/*
• http*www3683.ntrs.com*
• http*www.northerntrust.com/incs/scripts.js
• https://www3683.ntrs.com/ptl/ptl/javascript/NavigationMenuScripts.js*
• https://www8.comerica.com/*
• https://www8.comerica.com/images/sdc.js
• https://direct.bankofamerica.com/Core/servlet/BofaDirect.BankofAmericaDirect.BankofAmericaDirectServlet?page=PgLogin*
• https://direct.bankofamerica.com/BofaDirect/javascript/js.util.uiutils.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://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://internetbanking.firsttennessee.biz/webcm/customer1.asp*
• https://cashmgt.firsttennessee.biz/cb/servlet/cb/login.jsp*
• https://treas-mgt.frostbank.com/rdp/cgi-bin/welcome.cgi*
• https://singlepoint.usbank.com/cs70_banking/logon/sbuser*
• https://singlepoint.usbank.com/cs70_banking/user/script/login.js*
• https://www.halifax-online.co.uk/_mem_bin/formslogin.asp
• https://www.halifax-online.co.uk/MyAccounts/MyAccounts.aspx*
• https://www.halifax-online.co.uk/MyAccounts/*
• *banking.bankofscotland.co.uk/Logon/Logon.aspx*
• http*://*hsbc.co.uk*
• http*://www.hsbc.co.uk/1/2*

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 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:

• http://{BLOCKED}yWi.com/pl/eqtewttetwq.img
• http://{BLOCKED}ugbwu.com/fewfwee.img

It attempts to steal information from the following banks and/or other financial institutions:

• Bank of America
• Fifth Third
• HSBC
• Halifax
• Microsoft
• National City
• PNC
• US Bank
• Union Bank of California
• Wachovia

Stolen Information

This Trojan sends the gathered information via HTTP POST to the following URL:

• http://{BLOCKED}yWi.com/pl/wert.php

Other Details

Based on analysis of the codes, it has the following capabilities:

• Arrives via spammed mails containing a link where a copy of itself can be downloaded.