Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Propagates via network shares

This worm may arrive via network shares. It uses brute force attack to gain access to password-protected shares.

It has backdoor routines that allows this worm to compromise the system's security. It opens a certain port where it listens for remote commands from a malicious user. A remote malicious user can connect through the opened port and execute arbitrary commands on the affected system.

It connects to certain URLs to get the affected system's IP address.

This worm may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites.

It executes commands from a remote malicious user, effectively compromising the affected system.

  TECHNICAL DETAILS

File Size: 453,120 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 17 Nov 2010
Payload: Connects to URLs/Ips, Compromises system security

Arrival Details

This worm may arrive via network shares.

It may be downloaded by other malware/grayware/spyware from remote sites.

It may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This worm drops the following copies of itself into the affected system:

  • %System%\ipz2.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

Propagation

This worm uses the following user name and password to gain access to password-protected shares:

  • 00000
  • 12321
  • 12345
  • 54321
  • 111111
  • 121212
  • 123123
  • 123321
  • 123456
  • 123456
  • 654321
  • 1234321
  • 1234567
  • 11111111
  • 12341234
  • 12344321
  • 12345678
  • 12345678
  • 87654321
  • 123123123
  • 123454321
  • 123456789
  • 123456789
  • 987654321
  • 987654321
  • 1234554321
  • 1234567890
  • 1q2w3e
  • 1q2w3e4r
  • 1q2w3e4r5t
  • 1qa2ws3ed
  • 1qaz2wsx
  • aaaaaa
  • aaaaaaaa
  • abcdef
  • abcdefg
  • abcdefgh
  • abcdefghi
  • abcdefghij
  • Admin
  • admin
  • Administrator
  • administrator
  • africa
  • anime
  • april
  • attack
  • azerty
  • battle
  • battleship
  • bender
  • bicycle
  • billgates
  • blood
  • boobs
  • bottle
  • brent
  • brentcorrigan
  • bucks
  • caddy
  • calculator
  • cannon
  • canon
  • captain
  • cavern
  • chopper
  • cinema
  • coffee
  • computer
  • copypaste
  • copyright
  • creative
  • cyber
  • defence
  • dream
  • earth
  • elevate
  • embrace
  • facebook
  • fighter
  • flight
  • flower
  • freedom
  • general
  • gentoo
  • google
  • grant
  • grinder
  • guitar
  • handy
  • harry
  • harrypotter
  • health
  • helicopter
  • hiroshima
  • horror
  • human
  • inferno
  • internet
  • israel
  • kamikaze
  • leela
  • leeps
  • light
  • linux
  • login
  • lover
  • lucifer
  • major
  • master
  • memory
  • metall
  • microsoft
  • minigun
  • mondo
  • motor
  • mouse
  • mozilla
  • necromancer
  • nekomimi
  • neuron
  • nigger
  • norad
  • nothing
  • obvious
  • october
  • offence
  • passwd
  • password
  • paswd
  • pasword
  • people
  • pilot
  • pirate
  • police
  • potter
  • press
  • qazwsx
  • qazwsxedc
  • qqqqqq
  • qqqqqqqq
  • qweasd
  • qwerasdf
  • qwert
  • qwerty
  • qwertyu
  • qwertyui
  • qwertyuio
  • qwertyuiop
  • radmin
  • rastaman
  • right
  • robot
  • rocket
  • rotor
  • samael
  • satan
  • scada
  • share
  • shark
  • sharp
  • shinny
  • skate
  • skynet
  • skyscraper
  • solder
  • soldier
  • south
  • southpark
  • space
  • stack
  • starcraft
  • starwars
  • stereo
  • stick
  • summer
  • tolerance
  • ubuntu
  • universe
  • username
  • vader
  • venus
  • video
  • warcraft
  • warhammer
  • welcome
  • winter
  • witch
  • xerox
  • ytrewq
  • zeitgeist
  • zzzzzzzz

Backdoor Routine

This worm opens the following port(s) where it listens for remote commands:

  • 689
A remote malicious user can connect through the opened port and execute arbitrary commands on the affected system.

It executes the following commands from a remote malicious user:

  • Add/remove programs from firewall trust list
  • Upload/download files
  • Use Telnet and Radmin
  • Install/delete service
  • Modify DNS settings
  • Connect to peer-to-peer network

Other Details

This worm connects to the following URL(s) to get the affected system's IP address:

  • http://www.myipnumber.com/
  • http://showip.net/
  • http://whois.domaintools.com/
  • http://ip-address.domaintools.com/
  • http://www.moanmyip.com/
  • http://www.123myip.co.uk/
  • http://www.dnsstuff.com/
  • http://www.ip-adress.com/
  • http://www.hostip.info/

  SOLUTION

Minimum Scan Engine: 8.900
FIRST VSAPI PATTERN FILE: 7.628.09
FIRST VSAPI PATTERN DATE: 17 Nov 2010

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 terminate files detected as WORM_SPYBOT.BSA

[ Learn More ]
  1. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  2. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Scan your computer with your Trend Micro product to delete files detected as WORM_SPYBOT.BSA. 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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