BKDR_QAKBOT.EOF
Windows 2000, XP, Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This backdoor may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites.
It sends the information it gathers to remote sites.
TECHNICAL DETAILS
Arrival Details
This backdoor may be dropped by other malware.
It may be unknowingly downloaded by a user while visiting malicious websites.
Installation
This backdoor injects codes into the following process(es):
- EXPLORER.EXE
- IEXPLORE.EXE
Process Termination
This backdoor terminates the following services if found on the affected system:
- webroot
- agnitum
- ahnlab
- arcabit
- avast
- avg
- avira
- avp
- bitdefender
- bit9
- castlecops
- centralcommand
- clamav
- comodo
- computerassociates
- cpsecure
- defender
- drweb
- emsisoft
- esafe
- eset
- etrust
- ewido
- fortinet
- f-prot
- f-secure
- gdata
- grisoft
- hacksoft
- hauri
- ikarus
- jotti
- k7computing
- kaspersky
- malware
- mcafee
- microsoft
- networkassociates
- nod32
- norman
- norton
- panda
- pctools
- prevx
- quickheal
- rising
- rootkit
- securecomputing
- sophos
- spamhaus
- spyware
- sunbelt
- symantec
- threatexpert
- trendmicro
- virus
- wilderssecurity
- windowsupdate
It terminates the following processes if found running in the affected system's memory:
- R&Q.exe
- ccApp.exe
- cmd.exe
- ctfmon.exe
- dbgview.exe
- far.exe
- mirc.exe
- mmc.exe
- msdev.exe
- nc.exe
- ollydbg.exe
- outlook.exe
- photoed
- skype
Information Theft
This backdoor 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:
- netconnect.bokf.com
- business-eb.ibanking-services.com
- cashproonline.bankofamerica.com
- /cashplus/
- ebanking-services.com
- /cashman/
- web-cashplus.com
- treas-mgt.frostbank.com
- business-eb.ibanking-services.com
- treasury.pncbank.com
- access.jpmorgan.com
- ktt.key.com
- onlineserv/CM
- premierview.membersunited.org
- directline4biz.com
- onb.webcashmgmt.com
- tmconnectweb
- moneymanagergps.com
- ibc.klikbca.com
- directpay.wellsfargo.com
- express.53.com
- itreasury.regions.com
- itreasurypr.regions.com
- cpw-achweb.bankofamerica.com
- businessaccess.citibank.citigroup.com
- businessonline.huntington.com
It sends the information it gathers to remote sites.
Other Details
This backdoor does the following:
- It requires other components to run properly.
- This backdoor may be a part of a multicomponent malware that belongs to BKDR_QAKBOT family.
- It may create an autostart registry entry to enable its automatic execution at system startup.
- It sends the following information to its C&C server:
ext_ip
dnsname
hostname
country br>state
city
user
domain
is_admin
os
time
qbot_version
install_time - It may send the gathered information to the following Web sites where it can also download other component files:
http://{BLOCKED}ver.com.ua/cgi-bin/ss.pl
http://{BLOCKED}wthewhistle.com/cgi-bin/clientinfo3.pl
http://www.{BLOCKED}cdc2121cdsfdfd.com
http://{BLOCKED}n/cgi-bin/jl/jloader.pl
http://{BLOCKED}cn/cgi-bin/jloader.pl - Based on its code, it is capable of connecting to a certain IRC server using a certain port and joins a channel where it receives commands from a malicious user.
- Other component files may have the following names:
crontab.cb
updates98.cb
alias_updates.cb
updates.cb
updates1.cb
updates*_new.cb
alias__qbot.cb
alias__qbotnti.exe
_qbotinj.exe
_qbotnti.exe
_qbot.dll
alias__qbot.dll
alias__qbotinj.exe
alias__qbot.cb
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
Scan your computer with your Trend Micro product to delete files detected as BKDR_QAKBOT.EOF. 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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