W32.Beagle.AC@mm

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Discovered: July 17, 2004
Updated: July 17, 2004 8:36:00 PM
Systems Affected: Windows

This is a mass-mailing worm that opens a backdoor on TCP port
1080 and uses its own SMTP engine to spread through email.

Discovered: July 17, 2004
Updated: July 17, 2004 8:36:00 PM
Systems Affected: Windows

This is a mass-mailing worm that installs a backdoor on infected systems. It's packed using PeX.

It sends itself to email addresses it gathers from files with the following extensions on the compromised system:
.wab
.txt
.msg
.htm
.shtm
.stm
.xml
.dbx
.mbx
.mdx
.eml
.nch
.mmf
.ods
.cfg
.asp
.php
.pl
.wsh
.adb
.tbb
.sht
.xls
.oft
.uin
.cgi
.mht
.dhtm
.jsp

while skipping email addresses that contain any of the following text strings:
@avp.
@iana
@messagelab
@microsoft
abuse
admin
anyone@
bugs@
cafee
certific
contract@
feste
free-av
f-secur
gold-certs@
google
help@
icrosoft
info@
linux
listserv
local
nobody@
noone@
noreply
ntivi
panda
postmaster@
rating@
root@
samples
sopho
support
update
winrar
winzip

The email message constructed by the worm typically has the following properties:
The from address will be spoofed.

Subject may be one of the following:
Re:

The message body is one of the following:
Animals
foto3
fotogalary
fotoinfo
Lovely animals
Predators
Screen
The snake

If the attachment is a .zip file, then the message body will contain one of the following messages:
:)<password>
Password:
Pass -
Key -

followed by a copy of an image file that contains password.

The attachment name will be one of the following:
Cat
Dog
Doll
Fish
foto1
foto2
foto3
Garry
Secret

The attachment extension will be one of the following:
com
cpl
exe
scr
zip

When executed, the worm creates the following 7 mutexes:
MuXxXxTENYKSDesignedAsTheFollowerOfSkynet-D
'D'r'o'p'p'e'd'S'k'y'N'e't'
_-oOaxX|-+S+-+k+-+y+-+N+-+e+-+t+-|XxKOo-_
[SkyNet.cz]SystemsMutex
AdmSkynetJklS003
____--->>>>U<<<<--____
_-oO]xX|-S-k-y-N-e-t-|Xx[Oo-_

Some of these will prevent variants of Netsky from launching. It also deletes several registry values in order to prevent other worms from executing on Windows startup:
"9xHtProtect"
"Antivirus"
"EasyAV"
"FirewallSvr"
"HtProtect"
"ICQ Net"
"ICQNet"
"Jammer2nd"
"KasperskyAVEng"
"MsInfo"
"My AV"
"NetDy"
"Norton Antivirus AV"
"PandaAVEngine"
"Service"
"SkynetsRevenge"
"Special Firewall Service"
"SysMonXP"
"Tiny AV"
"Zone Labs Client Ex"

from the keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

The worm will then create the following files:
%System%\sys_xp.exe
%System%\sys_xp.exeopen, which is a copy of the worm with randomly appended data
%System%\sys_xp.exeopenopen, which is a .cpl file or .zip file,
If the file is a .zip file, it will contain two randomly named files. One will be a .exe file and the other will be a text file with a .sys, .dat, .idx, .vxd, .vid, or .dll extension.
If the file is a .cpl file and is executed, it will drop a file named cjector.exe into the %Windir% folder.
%System%\sys_xp.exeopenopenopen. If the file Gdiplus.dll is present on the computer, this file will be a .jpg or .gif. Otherwise it will be a .bmp file
%System%\sys_xp.exeopenopenopenopen, which is not viral by itself.


The following registry entry is created:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\key = %System%\sys_xp.exe

The worm attempts to copy itself to all folders containing the string "SHAR" in their names. The following files are created:
Microsoft Office 2003 Crack, Working!.exe
Microsoft Windows XP, WinXP Crack, working Keygen.exe
Microsoft Office XP working Crack, Keygen.exe
Porno, sex, oral, anal cool, awesome!!.exe
Porno Screensaver.scr
Serials.txt.exe
KAV 5.0
Kaspersky Antivirus 5.0
Porno pics arhive, xxx.exe
Windows Sourcecode update.doc.exe
Ahead Nero 7.exe
Windown Longhorn Beta Leak.exe
Opera 8 New!.exe
XXX hardcore images.exe
WinAmp 6 New!.exe
WinAmp 5 Pro Keygen Crack Update.exe
Adobe Photoshop 9 full.exe
Matrix 3 Revolution English Subtitles.exe
ACDSee 9.exe

It contacts a .php script at each of the following domains:
http://www.bmgs.bund.de
http://www.gtz.de
http://www.dwelle.de
http://www.monster.de
http://www.regtp.de
http://www.stufenlos-regelbar.de
http://www.rapz-records.de
http://abtacha.wirebrain.de
http://die-cliquee.de
http://www.gantke-net.de
http://www.dar-fantasy.de
http://www.mdirk.de
http://www.calistyler.de
http://tripod.de
http://sgi1.rz.rwth-aachen.de
http://www.sysserver1.de
http://www.vwschubert.de
http://ronnyackermann.de
http://www.destatis.de
http://www.berlinonline.de
http://www.meinestadt.de
http://obechmann.de
http://www.stepstone.de
http://www.degruyter.de
http://www.lufthansa.de
http://www.duden.de
http://www.pcwelt.de
http://www.astronomie.de
http://www.abacho.de
http://www.bundesliga.de
http://www.expo2000.de
http://knecht.cs.uni-magdeburg.de
http://www.murczak.de
http://www.murczak.de
http://www.lupo18t.de
http://www.hosteurope.de
http://login.rz.fh-augsburg.de
http://www.hannobunz.de
http://dfk-crew.clanintern.de
http://www.empire-show.de
http://www.atlantis-show.de
http://www.superstar-nord.de
http://www.lords-of-havoc.de
http://deepiceman.de
http://www.atlas-hannover.de
http://begros.de
http://www.h-p-i.de
http://www.szakos.de
http://www.king-alp.de
http://people-ftp.freenet.de
http://www.stuttgart.de
http://www.eumetsat.de
http://www.gutenberg2000.de
http://www.heidelberg.de
http://www.tu-muenchen.de
http://www.studentenwerke.de
http://www.stellenmarkt.de
http://zille.cs.uni-magdeburg.de
http://www.mupad.de
http://www.gelbeseiten.de
http://www.klug-suchen.de
http://www.niedersachsen.de
http://www.frankfurter-buchmesse.de
http://www.freiburg.de
http://www.messe-duesseldorf.de
http://www.beck.de
http://zeus05.de
http://www.europarl.de
http://www.onlinereviewguide.com
http://www.krebsinformation.de
http://www.brigitte.de
http://www.webhits.de
http://www.kabel1.de
http://www.saarland.de
http://www.renewables2004.de
http://www.awi-bremerhaven.de
http://www.uni-tuebingen.de
http://www.frankfurt-airport.de
http://people-ftp.freenet.de
http://people-ftp.freenet.de
http://www.szakos.de
http://www.king-alp.de
http://niematec.de
http://symbit.de
http://pe-data.de
http://web154.essen082.server4free.de
http://web216.berlin240.server4free.de
http://edwinf.surfplanet.de
http://www.stricker-doerpen.de
http://www.helmholtz.de
http://www.staedtetag.de
http://www.tu-dresden.de
http://www.immobilienscout24.de
http://www.karlsruhe.de
http://www.citypopulation.de
http://www.schulen-ans-netz.de
http://www.fernuni-hagen.de
http://www.stifterverband.de
http://www.wissenschaft-online.de
http://www.nuernbergmesse.de
http://www.dortmund.de
http://www.uni-marburg.de
http://www.anwaltverein.de/
http://www.math-net.de
http://www.finanznachrichten.de
http://www.uni-bremen.de
http://www.tu-darmstadt.de
http://www.aachen.de
http://www.dasding.de
http://www.messe-muenchen.de
http://www.uni-duisburg-essen.de
http://www.photokina.de
http://www.umweltbundesamt.de
http://www.jugendherberge.de
http://www.bitburger.de
http://www.munich-airport.de
http://www.uni-mannheim.de
http://www.uni-frankfurt.de
http://www.ruhr-uni-bochum.de
http://www.medicine-worldwide.de
http://www.firstgate.de
http://www.kompetenznetze.de
http://www.uni-jena.de
http://www.testdaf.de
http://www.kalenderblatt.de
http://www.baden-wuerttemberg.de
http://www.saarbruecken.de
http://www.kompetenzz.de
http://www.aquarius.geomar.de
http://www.uni-duesseldorf.de
http://www.urlaubstage.de
http://www.wiley-vch.de
http://www.mohr.de
http://www.bessy.de
http://www.bayerninfo.de
http://www.uni-osnabrueck.de
http://www.stuttgarter-zeitung.de
http://www.mathguide.de
http://www.blk-bonn.de/
http://www.slowfood.de
http://www.schaubuehne.de
http://www.unibw-muenchen.de

It terminates processes with the following names:
OUTPOST.EXE
NMAIN.EXE
NORTON_INTERNET_SECU_3.0_407.EXE
NPF40_TW_98_NT_ME_2K.EXE
NPFMESSENGER.EXE
NPROTECT.EXE
NSCHED32.EXE
NTVDM.EXE
NVARCH16.EXE
KERIO-WRP-421-EN-WIN.EXE
KILLPROCESSSETUP161.EXE
LDPRO.EXE
LOCALNET.EXE
LOCKDOWN.EXE
LOCKDOWN2000.EXE
LSETUP.EXE
CLEANPC.EXE
AVprotect9x.exe
CMGRDIAN.EXE
CMON016.EXE
CPF9X206.EXE
CPFNT206.EXE
CV.EXE
CWNB181.EXE
CWNTDWMO.EXE
ICSSUPPNT.EXE
DEFWATCH.EXE
DEPUTY.EXE
DPF.EXE
DPFSETUP.EXE
DRWATSON.EXE
ENT.EXE
ESCANH95.EXE
AVXQUAR.EXE
ESCANHNT.EXE
ESCANV95.EXE
AVPUPD.EXE
EXANTIVIRUS-CNET.EXE
FAST.EXE
FIREWALL.EXE
FLOWPROTECTOR.EXE
FP-WIN_TRIAL.EXE
FRW.EXE
FSAV.EXE
AUTODOWN.EXE
FSAV530STBYB.EXE
FSAV530WTBYB.EXE
FSAV95.EXE
GBMENU.EXE
GBPOLL.EXE
GUARD.EXE
GUARDDOG.EXE
HACKTRACERSETUP.EXE
HTLOG.EXE
HWPE.EXE
IAMAPP.EXE
IAMAPP.EXE
IAMSERV.EXE
ICLOAD95.EXE
ICLOADNT.EXE
ICMON.EXE
ICSUPP95.EXE
ICSUPPNT.EXE
IFW2000.EXE
IPARMOR.EXE
IRIS.EXE
JAMMER.EXE
ATUPDATER.EXE
AUPDATE.EXE
KAVLITE40ENG.EXE
KAVPERS40ENG.EXE
KERIO-PF-213-EN-WIN.EXE
KERIO-WRL-421-EN-WIN.EXE
BORG2.EXE
BS120.EXE
CDP.EXE
CFGWIZ.EXE
CFIADMIN.EXE
CFIAUDIT.EXE
AUTOUPDATE.EXE
CFINET.EXE
NAVAPW32.EXE
NAVDX.EXE
NAVSTUB.EXE
NAVW32.EXE
NC2000.EXE
NCINST4.EXE
AUTOTRACE.EXE
NDD32.EXE
NEOMONITOR.EXE
NETARMOR.EXE
NETINFO.EXE
NETMON.EXE
NETSCANPRO.EXE
NETSPYHUNTER-1.2.EXE
NETSTAT.EXE
NISSERV.EXE
NISUM.EXE
CFIAUDIT.EXE
LUCOMSERVER.EXE
AGENTSVR.EXE
ANTI-TROJAN.EXE
ANTI-TROJAN.EXE
ANTIVIRUS.EXE
ANTS.EXE
APIMONITOR.EXE
APLICA32.EXE
APVXDWIN.EXE
ATCON.EXE
ATGUARD.EXE
ATRO55EN.EXE
ATWATCH.EXE
AVCONSOL.EXE
AVGSERV9.EXE
AVSYNMGR.EXE
BD_PROFESSIONAL.EXE
BIDEF.EXE
BIDSERVER.EXE
BIPCP.EXE
BIPCPEVALSETUP.EXE
BISP.EXE
BLACKD.EXE
BLACKICE.EXE
BOOTWARN.EXE
NWINST4.EXE
NWTOOL16.EXE
OSTRONET.EXE
OUTPOSTINSTALL.EXE
OUTPOSTPROINSTALL.EXE
PADMIN.EXE
PANIXK.EXE
PAVPROXY.EXE
DRWEBUPW.EXE
PCC2002S902.EXE
PCC2K_76_1436.EXE
PCCIOMON.EXE
PCDSETUP.EXE
PCFWALLICON.EXE
PCFWALLICON.EXE
PCIP10117_0.EXE
PDSETUP.EXE
PERISCOPE.EXE
PERSFW.EXE
PF2.EXE
AVLTMAIN.EXE
PFWADMIN.EXE
PINGSCAN.EXE
PLATIN.EXE
POPROXY.EXE
POPSCAN.EXE
PORTDETECTIVE.EXE
PPINUPDT.EXE
PPTBC.EXE
PPVSTOP.EXE
PROCEXPLORERV1.0.EXE
PROPORT.EXE
PROTECTX.EXE
PSPF.EXE
WGFE95.EXE
WHOSWATCHINGME.EXE
AVWUPD32.EXE
NUPGRADE.EXE
WHOSWATCHINGME.EXE
WINRECON.EXE
WNT.EXE
WRADMIN.EXE
WRCTRL.EXE
WSBGATE.EXE
WYVERNWORKSFIREWALL.EXE
XPF202EN.EXE
ZAPRO.EXE
ZAPSETUP3001.EXE
ZATUTOR.EXE
CFINET32.EXE
CLEAN.EXE
CLEANER.EXE
CLEANER3.EXE
CLEANPC.EXE
CMGRDIAN.EXE
CMON016.EXE
CPD.EXE
CFGWIZ.EXE
CFIADMIN.EXE
PURGE.EXE
PVIEW95.EXE
QCONSOLE.EXE
QSERVER.EXE
RAV8WIN32ENG.EXE
REGEDT32.EXE
REGEDIT.EXE
UPDATE.EXE
RESCUE.EXE
RESCUE32.EXE
RRGUARD.EXE
RSHELL.EXE
RTVSCN95.EXE
RULAUNCH.EXE
SAFEWEB.EXE
SBSERV.EXE
SD.EXE
SETUP_FLOWPROTECTOR_US.EXE
SETUPVAMEEVAL.EXE
SFC.EXE
SGSSFW32.EXE
SH.EXE
SHELLSPYINSTALL.EXE
SHN.EXE
SMC.EXE
SOFI.EXE
SPF.EXE
SPHINX.EXE
SPYXX.EXE
SS3EDIT.EXE
ST2.EXE
SUPFTRL.EXE
LUALL.EXE
SUPPORTER5.EXE
SYMPROXYSVC.EXE
SYSEDIT.EXE
TASKMON.EXE
TAUMON.EXE
TAUSCAN.EXE
TC.EXE
TCA.EXE
TCM.EXE
TDS2-98.EXE
TDS2-NT.EXE
TDS-3.EXE
TFAK5.EXE
TGBOB.EXE
TITANIN.EXE
TITANINXP.EXE
TRACERT.EXE
TRJSCAN.EXE
TRJSETUP.EXE
TROJANTRAP3.EXE
UNDOBOOT.EXE
VBCMSERV.EXE
VBCONS.EXE
VBUST.EXE
VBWIN9X.EXE
VBWINNTW.EXE
VCSETUP.EXE
VFSETUP.EXE
VIRUSMDPERSONALFIREWALL.EXE
VNLAN300.EXE
VNPC3000.EXE
VPC42.EXE
VPFW30S.EXE
VPTRAY.EXE
VSCENU6.02D30.EXE
VSECOMR.EXE
VSHWIN32.EXE
VSISETUP.EXE
VSMAIN.EXE
VSMON.EXE
VSSTAT.EXE
VSWIN9XE.EXE
VSWINNTSE.EXE
VSWINPERSE.EXE
W32DSM89.EXE
W9X.EXE
WATCHDOG.EXE
WEBSCANX.EXE
CFIAUDIT.EXE
CFINET.EXE
ICSUPP95.EXE
MCUPDATE.EXE
CFINET32.EXE
CLEAN.EXE
CLEANER.EXE
LUINIT.EXE
MCAGENT.EXE
MCUPDATE.EXE
MFW2EN.EXE
MFWENG3.02D30.EXE
MGUI.EXE
MINILOG.EXE
MOOLIVE.EXE
MRFLUX.EXE
MSCONFIG.EXE
MSINFO32.EXE
MSSMMC32.EXE
MU0311AD.EXE
NAV80TRY.EXE
ZAUINST.EXE
ZONALM2601.EXE