Author: Karl Dominguez   

 PLATFORM:

Windows 2000, XP, Server 2003

 OVER ALL RISK RATING:
 REPORTED INFECTION:
 Beeinträchtigung der Systemleistung :
 INFORMATION EXPOSURE
Low
Medium
High
Critical

  • 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

File size: 133,120 bytes
File type: EXE
Memory resident: Yes
INITIAL SAMPLES RECEIVED DATE: 23 августа 2010

Infection Points

This spyware arrives as a file downloaded from the following URLs:

  • http://sweetygg.com/yourbot.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:\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 stays memory-resident by injecting codes into the following processes:

  • rdpclip.exe
  • ctfmon.exe
  • wscntfy.exe
  • taskeng.exe
  • taskhost.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
{AC242F0C-72CB-67C1-AD51-2F457FEA7550} = %Application Data%\{random1}\{random}.exe

It drops the following files:

  • %Application Data%\{random1}\{random}.exe
  • %Application Data%\{random2}\{random}.ard

(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.)

Other System Modifications

This spyware adds the following registry entries as part of its installation routine:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%Windows%\\Explorer.EXE = %Windows%\Explorer.EXE:Enabled:*:Windows Explorer

Download Routine

This spyware connects to the following URL(s) to download its configuration file:

  • http://sweetygg.com/config.bin

Information Theft

This spyware 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:

  • !*.microsoft.com/*
  • !http://*myspace.com*
  • https://www.gruposantander.es/*
  • !http://*odnoklassniki.ru/*
  • !http://vkontakte.ru/*
  • @*/login.osmp.ru/*
  • @*/atl.osmp.ru/*
  • https://chaseonline.chase.com/MyAccounts.*
  • *chaseonline.chase.com/MyAccounts*
  • *.chase.com/MyAccounts*
  • https://online.wellsfargo.com/das/cgi-bin/session.cgi*
  • https://online.wellsfargo.com/das/cgi-bin/session.cgi*
  • https://banking.commercebank.com/cbi/login*
  • https://www.gotomycard.com/*
  • https://www.gotomycard.com/accounts.asp
  • https://www.hsbccreditcard.com/*
  • https://www.hsbccreditcard.com/ecare/*
  • https://www.ibsnetaccess.com/NASApp/*
  • https://www.ibsnetaccess.com/NASApp/NetAccess/*
  • https://onlinebanking.nationalcity.com/OLB/secure/AccountList*
  • https://onlinebanking.nationalcity.com/OLB/secure/*
  • https://www.suntrust.com/*
  • https://www.suntrust.com/portal/server.pt?mode=*
  • https://www.usaa.com/inet/ent_home/CpHome
  • https://www.usaa.com/*
  • https://www*.usbank.com/internetBanking/RequestRouter
  • https://www*.usbank.com/internetBanking/RequestRouter*DisplayAccountSummary*
  • https://www*.usbank.com/internetBanking/RequestRouter?requestCmdId*
  • https://www.macys.com/myinfo/index.ognc
  • https://onlinebanking#.wachovia.com/*
  • https://online*.bankofamerica.com/cgi-bin/*GotoWelcome*
  • https://onlineeast#.bankofamerica.com/cgi-bin/ias/*
  • https://myaccountsaws.navyfcu.org/nfoaa/accounts/*
  • https://myaccountsaws.navyfcu.org/nfoaa/main/top
  • https://www.statementlook.com/fdr_ge.service?TRANTYPE=HOM*
  • https://www.accessmycardonline.com/RBS_Consumer/*
  • https://www.accountcentralonline.com/cmuser/myacct/*
  • https://www.accountonline.com/cards/svc/Dashboard.do*
  • https://credit.compassbank.com/Compass_Consumer/*
  • https://www.creditonebank.com/Summary.aspx*
  • https://www3.financialtrans.com/tf/Vision/*
  • https://www.myaccountaccess.com/onlineCard/postLogin.do?phase=start
  • https://www.mypremiercreditcard.com/index.aspx*
  • https://www.wilmingtontrust.com/wtcom/index.jsp?section=MyHome*
  • https://*.americanexpress.com/*
  • https://*.americanexpress.com/myca/acctsumm/*
  • *.cey-ebanking.com/CLKCCM/*/passmark/*
  • https://login.countrywide.com/slogin*
  • *.ebtaccount.jpmorgan.com/*
  • https://www.ebtaccount.jpmorgan.com/*/Accounts/*
  • http://www.ncsecu.org/*
  • https://onlineaccess.ncsecu.org/login.aspx
  • *.netspend.com/account/welcome.m*
  • https://www.netspend.com/account/welcome.m*
  • https://www.ocfcu.org/onlineserv/HB*FrameNavigationComponent*
  • https://www.ocfcu.org/onlineserv/HB*Summary*
  • https://www.whitneybank.web-access.com/whitney/cgi-bin/welcome.cgi*
  • *whitneybank.web-access.com/whitney/cgi-bin/welcome.cgi?continue
  • https://onlinebanking.capitalone.com/CAPITALONE/Accounts/Summary.aspx
  • https://online.wellsfargo.com/das/cgi-bin/session.cgi*
  • https://online.wellsfargo.com/das/cgi-bin/session.cgi*
  • *onlinebanking*.wachovia.com/myAccounts.aspx*
  • *accountonline.com/cards/svc/Dashboard.do
  • *discovercard.com/cardmembersvcs/achome/homepage*
  • *hsbc.com/1/2/3/personal/online-services/personal-internet-banking/view-accounts/account-summary*
  • *onlinebanking.pnc.com/alservlet/VerifyP*
  • *suntrust.com/portal/server.pt?mode=2*
  • *securentrycorp.zionsbank.*/Authentication/zbf/*
  • https://wellsoffice.wellsfargo.com/portal/signon/index.jsp
  • https://www*.americanexpress.com/*
  • https://www*.americanexpress.com/myca/acctsumm/*
  • https://online.citibank.com/US/JPS/portal/Home.do
  • https://online.citibank.com/*/*/portal/Index*
  • https://online.citibank.com/*/*/signoff/SummaryRecord.*
  • https://online.citibank.com/US/JRS/portal/menu.do*
  • https://www.ibsnetaccess.com/NASApp/*
  • https://www.ibsnetaccess.com/NASApp/NetAccess/*
  • https://onlinebanking.nationalcity.com/OLB/secure/AccountList*
  • https://onlinebanking.nationalcity.com/OLB/secure/*
  • https://www.usaa.com/inet/ent_home/CpHome
  • https://www.usaa.com/*
  • https://www*.usbank.com/internetBanking/RequestRouter
  • https://www*.usbank.com/internetBanking/RequestRouter*DisplayAccountSummary*
  • https://www*.usbank.com/internetBanking/RequestRouter?requestCmdId*
  • https://www.svbconnect.com/*
  • *securentrycorp.calbanktrust*/Authentication/zbf/*
  • *securentrycorp.nbarizona.*/Authentication/zbf/*
  • *securentrycorp.amegybank.*/Authentication/zbf/*
  • https://ach.shazam.net/wcmfd/wcmpw/CustomerLogin
  • https://webexpress.tdbank.com/wcmfd/wcmpw/CustomerLogin
  • https://bob.sovereignbank.com/wcmfd/wcmpw/CustomerLogin
  • https://140278.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://columbiabank.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://lakecitybank.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://cityntl.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://bpna.webcashmanager.com/wcmfd/wcmpw/CustomerLogin
  • https://iris73test.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://ccb.webcashmanager.com/wcmfd/wcmpw/CustomerLogin
  • https://onb.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://fhbguam.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://psb.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://cbky.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://fhbhi.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • https://oceanbank.webcashmgmt.com/wcmfd/wcmpw/CustomerLogin
  • */phcp/servlet/*LoginServlet
  • *businessonline.huntington.com/BOLHome/BusinessOnlineLogin.aspx
  • *business-eb.ibanking-services.com/K1/sb_login.jsp?*
  • https://www8.comerica.com/pkmslogin.form
  • http://www.ncsecu.org/*
  • https://onlineaccess.ncsecu.org/login.aspx
  • https://usgateway2.rbs.com/usgateway/cb/gpsmoneymanager.jsp
  • *usgateway2.rbs.com/usgateway/cb/gpsmoneymanager.jsp?continue
  • *e-access.compassbank.com/bbw/cmserver/welcome/default/verify.cfm
  • *e-access.compassbank.com/bbw/cmserver/welcome/default/verify.cfm?continue
  • *53.com/servlet/efsonline*
  • *businessaccess.citibank.citigroup.com/*/signon.do*
  • *businessaccess.citibank.citigroup.com/cbusol/privacy.do?continue
  • https://*treasury.pncbank.com/*/login.ht
  • *treasury.pncbank.com/portal/esec/login.ht?continue
  • *access.jpmorgan.com/appmanager/jpmalogonportal/jpmalogonhome
  • *access.jpmorgan.com/appmanager/jpmalogonportal/jpmalogonhome?_nfpb=true&continue

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

  • Amegy Bank
  • American Express
  • Bank of America
  • California Bank & Trust
  • Capital One
  • Chase
  • Citi Cards
  • CitiBank
  • Comerica
  • Commerce Bank
  • Compass Bank
  • Credit One Bank
  • Discover Credit Cards
  • Elan Credit Card Services
  • FIA Card Services
  • Fifth Third
  • GoToMyCard
  • HSBC
  • JP Morgan
  • Macy's
  • Microsoft
  • Money Manager
  • Myspace
  • National Bank of Arizona
  • National City
  • Navy Federal Credit
  • NetSpend
  • OSPM
  • Odnoklassniki
  • Orange County Federal Credit Union
  • PNC Bank
  • PREMIER Bankcard
  • RBS
  • Raiffeisen
  • Santander
  • Shazam
  • Silicon Valley Bank
  • Sovereignb Bank
  • State Employees' Credit Union
  • Statementlook
  • Suntrust
  • TD Bank
  • US Bank
  • USAA
  • Vkontakte
  • Wachovia
  • Wells Fargo
  • Whitney Bank
  • Wilmington Trust
  • Zions Bank
  • cey-ebanking

Stolen Information

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

  • http://sweetygg.com/gotoin.php

Variant Information

This spyware has the following MD5 hashes:

  • c9578aeaf96ca8723329996e099d2d69

It has the following SHA1 hashes:

  • 3fb7bfcd0b99c1688aeb732bddfdcde7f085b3ed

  SOLUTION

Minimum scan engine: 8.900
VSAPI Pattern-Datei: 7.402.12
VSAPI Pattern veröffentlicht am: 23 августа 2010
VSAPI Pattern veröffentlicht am: 8/23/2010 12:00:00 AM

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

Scan your computer with your Trend Micro product and note files detected as TSPY_ZBOT.ERK

Step 3

Restart in Safe Mode

[ learnMore ]

Step 4

Delete this registry value

[ learnMore ]

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
    • {AC242F0C-72CB-67C1-AD51-2F457FEA7550} = %Application Data%\{random1}\{random}.exe

Step 5

Delete this registry value

[ learnMore ]

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

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_ZBOT.ERK. 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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