TROJ_JORIK.AE
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan accesses websites to download files. This action allows this malware to possibly add other malware on the affected computer.
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
139,101 bytes
PE
Yes
27 Jul 2010
Installation
This Trojan drops the following files:
- %Application Data%\{random1}\{random}.exe
- %Application Data%\{random2}\{random}.foi
(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 creates the following folders with attributes set to System and Hidden to prevent users from discovering and removing its components:
- %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:
- explorer.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
{E379D685-3776-DAD3-83EA-65188718C6C4} = %Application Data%\{random1}\{random}.exe
Download Routine
This Trojan accesses websites to download the following files:
- http://{BLOCKED}retikru.com/asdfghjkl/endjiany.bin
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 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://*
- !http://*myspace.com*
- !http://*odnoklassniki.ru/*
- !http://vkontakte.ru/*
- *.americanexpress.com/myca/acctsumm/us/*
- @*/atl.osmp.ru/*
- @*/login.osmp.ru/*
- @*hbnet/login/login.aspx?organization*
- http://www.hsbccreditcard.com/ecare/images/logo_en_US_HS.gif
- http://www.macys.com/img/nav/co_macysLogo2.gif
- http://www.midwestrustic.com/Products/images/Web%20Links/American%20Express.jpg
- http://www.stlrcga.org/images/CommerceBank_logo.gif
- http://www.wachovia.com/files/pres/images/logo.gif
- http://www.wellsfargo.com/img/global/btn_blueslice.gif
- http://www.wellsfargo.com/img/header/logo_62sq.gif
- https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js
- https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/jquery-ui.min.js
- https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/jquery-ui.min.js
- https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/smoothness/ui.all.css
- https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.1/themes/start/ui.all.css
- https://banking.commercebank.com/CBI/Accounts/CBI/Summary.aspx
- https://chaseonline.chase.com/MyAccounts.aspx
- https://online.citibank.com/US/*/portal/Home.do
- https://online.citibank.com/US/JPS/portal/Home.do
- https://online.wellsfargo.com/das/cgi-bin/session.cgi*
- https://onlinebanking#.wachovia.com/myAccounts.aspx*
- https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/CustomerServiceMenuEntryPoint?custAction=75
- https://onlineeast#.bankofamerica.com/cgi-bin/ias/*/GotoWelcome
- https://sitekey.bankofamerica.com/sas/maint.do
- https://sitekey.bankofamerica.com/sas/sas-docs/js/commonscript.js
- https://www#.usbank.com/internetBanking/RequestRouter
- https://www.accountonline.com//cards/svc/img/logo/citi.gif
- https://www.accountonline.com/cards/svc/img/bg/bg_reg_nav.gif) 50% 50% repeat-x;}
- https://www.americanexpress.com/home/images/hpbkgrd_login.jpg) repeat-x;}
- https://www.bankofamerica.com//www/global/mvc_objects/images/mhd_reg_logo.gif
- https://www.cajalaboral.com/FirmaElectronica/img/00_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/01_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/02_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/03_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/04_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/05_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/06_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/07_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/08_off.gif
- https://www.cajalaboral.com/FirmaElectronica/img/09_off.gif
- https://www.chase.com/online/Home/images/chaseNewlogo.gif
- https://www.commercebank.com/images/buttons/loginButton.jpg) 50% 50% repeat-x; font-weight: normal; color: #ffffff; outline: none; }
- https://www.commercebank.com/images/common/bg-leftnav.jpg) left top repeat-x scroll;}
- https://www.gruposantander.es/*
- https://www.hsbccreditcard.com/ecare/viewaccount*
- https://www.ibsnetaccess.com/NASApp/NetAccess/*
- https://www.macys.com/css/yui/build/fonts/fonts.css
- https://www.macys.com/css/yui/build/reset/reset.css
- https://www.macys.com/signin/index.ognc
- https://www.paypal.com/##/cgi-bin/webscr*
- https://www.paypal.com/##/cgi-bin/webscr?cmd=_flow&SESSION=*
- https://www.paypal.com/##/cgi-bin/webscr?cmd=_login-done*
- https://www.paypal.com/##/cgi-bin/webscr?cmd=_profile-credit-card-new-clickthru
- https://www.suntrust.com/portal/server.pt?mode=*
- https://www.usbank.com/en/images/global/logo-usbank-siteheader.png
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:
- American Express
- Bank of America
- Caja Laboral
- Chase
- Citibank
- HSBC
- Microsoft
- Myspace
- OSPM
- Odnoklassniki
- PayPal
- Santander
- Suntrust
- US Bank
- Vkontakte
- Wachovia
- Wells Fargo
Stolen Information
This Trojan sends the gathered information via HTTP POST to the following URL:
- http://{BLOCKED}retikru.com/asdfghjkl/pam/intravaca.php
Other Details
Based on analysis of the codes, it has the following capabilities:
- Arrives as a file downloaded from the following URL: http://{BLOCKED}s.ru/{BLOCKED}ouas/dkndsas.exe
It did not exhibit backdoor routines during testing.
Variant Information
This Trojan has the following MD5 hashes:
- fdb597bc2dd2f1453c371e29e8191031
It has the following SHA1 hashes:
- 716270493c80320660f90e21c37e73e59598392f
SOLUTION
8.900
7.341.80
27 Jul 2010
7/27/2010 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
Identify and delete files detected as TROJ_JORIK.AE using the Recovery Console
Step 3
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 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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- {E379D685-3776-DAD3-83EA-65188718C6C4}=%Application Data%\{random1}\{random}.exe
- {E379D685-3776-DAD3-83EA-65188718C6C4}=%Application Data%\{random1}\{random}.exe
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_JORIK.AE. 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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