BKDR_QBOT.EL

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This backdoor drops the following files:

• %Windows%\Tasks\{random}.job

(Note: %Windows% is the Windows folder, which is usually C:\Windows.)

It drops the following copies of itself into the affected system:

• %User Profile%\Application Data\Microsoft\{random}\{random}.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

It creates the following folders:

• %User Profile%\Application Data\Microsoft\{random}

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)

Other Details

This backdoor connects to the following possibly malicious URL:

• {BLOCKED}auskmt.pw
• {BLOCKED}theusas.org
• {BLOCKED}cmasn.net
• {BLOCKED}skdfasjdmtf.org
• {BLOCKED}psgrn.com
• {BLOCKED}tmaksjdo.net
• {BLOCKED}aqmi.net
• {BLOCKED}akyat.org
• {BLOCKED}hatdfsaf.net
• {BLOCKED}geyaihudmn.org
• {BLOCKED}ukahdmansgip.org
• {BLOCKED}fdnaetra.net
• http://{BLOCKED}oasset.{BLOCKED}ite.net/Repository/CampaignCreative/Campaign_16474/INSTREAMAD/KRWT0565H_Chili_Pot_Non-New.flv
• {BLOCKED}.{BLOCKED}.135.19:8080
• ajax.{BLOCKED}izzade.com