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Virus:Worm/Agobo.118784.3
Date discovered:17/05/2005
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:237.568 Bytes
MD5 checksum:203f830A9b73e101ba41a248da491173
VDF version:6.30.00.181

 General Method of propagation:
   • Local network


Aliases:
   •  TrendMicro: WORM_AGOBOT.ATF
   •  Grisoft: W32/Agobot-AAD
   •  VirusBuster: Worm.Agobot.ALG
   •  Eset: Win32/Agobot
   •  Bitdefender: Backdoor.Agobot.ACC


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Blocks access to security websites
   • Registry modification
   • Makes use of software vulnerability
   • Steals information
   • Third party control

 Files It copies itself to the following location:
   • %SYSDIR%\realsched.exe



It deletes the initially executed copy of itself.

 Registry The following registry keys are added in order to run the processes after reboot:

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
   • "Realplayer Codec Support"="realsched.exe"

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
   • "Realplayer Codec Support"="realsched.exe"

 Network Infection In order to ensure its propagation the malware attemps to connect to other machines as described below.

It drops copies of itself to the following network shares:
   • IPC$
   • C$
   • D$
   • E$
   • ADMIN$
   • print$


Exploit:
It makes use of the following Exploits:
– MS02-061 (Elevation of Privilege in SQL Server Web)
– MS03-026 (Buffer Overrun in RPC Interface)
– MS03-039 (Buffer Overrun in RPCSS Service)


IP address generation:
It creates random IP addresses and tries to establish a connection with them.


Infection process:
Creates an FTP script on the compromised machine in order to download the malware to the remote location.


Remote execution:
–It attempts to schedule a remote execution of the malware, on the newly infected machine. Therefore it uses the NetScheduleJobAdd function.

 IRC To deliver system information and to provide remote control it connects to the following IRC Server:

Server: irc.secs**********
Port: 9000
Server password: stfupofskthx
Channel: #new#
Nickname: [noob]-%seven-digit random character string%
Password: stfunewby



– This malware has the ability to collect and send information such as:
    • CPU speed
    • Current user
    • Details about drivers
    • Free disk space
    • Free memory
    • Information about the network
    • Information about running processes
    • Size of memory
    • Username
    • Information about the Windows operating system


– Furthermore it has the ability to perform actions such as:
    • connect to IRC server
    • Launch DDoS SYN flood
    • Launch DDoS TCP flood
    • Launch DDoS UDP flood
    • Disable DCOM
    • Disable network shares
    • disconnect from IRC server
    • Download file
    • Enable DCOM
    • Enable network shares
    • Join IRC channel
    • Kill process
    • Leave IRC channel
    • Open remote shell
    • Perform DDoS attack
    • Perform network scan
    • Perform port redirection
    • Register a service
    • Restart system
    • Start keylog
    • Start spreading routine
    • Terminate process
    • Updates itself
    • Visit a website

 Hosts The host file is modified as explained:

– In this case already existing entries remain unmodified.

– Access to the following domains is effectively blocked:
   • www.symantec.com; securityresponse.symantec.com; symantec.com;
      www.sophos.com; sophos.com; www.mcafee.com; mcafee.com;
      liveupdate.symantecliveupdate.com; www.viruslist.com; viruslist.com;
      viruslist.com; f-secure.com; www.f-secure.com; kaspersky.com;
      www.avp.com; www.kaspersky.com; avp.com; www.networkassociates.com;
      networkassociates.com; www.ca.com; ca.com; mast.mcafee.com;
      my-etrust.com; www.my-etrust.com; download.mcafee.com;
      dispatch.mcafee.com; secure.nai.com; nai.com; www.nai.com;
      update.symantec.com; updates.symantec.com; us.mcafee.com;
      liveupdate.symantec.com; customer.symantec.com; rads.mcafee.com;
      trendmicro.com; www.microsoft.com; www.trendmicro.com




The modified host file will look like this:


 Process termination List of processes that are terminated:
   • _AVP32.EXE; _AVPCC.EXE; _AVPM.EXE; ACKWIN32.EXE; ADAWARE.EXE;
      ADVXDWIN.EXE; AGENTSVR.EXE; AGENTW.EXE; ALERTSVC.EXE; ALEVIR.EXE;
      ALOGSERV.EXE; AMON9X.EXE; ANTI-TROJAN.EXE; ANTIVIRUS.EXE; ANTS.EXE;
      APIMONITOR.EXE; APLICA32.EXE; APVXDWIN.EXE; ARR.EXE; ATCON.EXE;
      ATGUARD.EXE; ATRO55EN.EXE; ATUPDATER.EXE; ATWATCH.EXE; AU.EXE;
      AUPDATE.EXE; AUTODOWN.EXE; AUTO-PROTECT.NAV80TRY.EXE; AUTOTRACE.EXE;
      AUTOUPDATE.EXE; AVCONSOL.EXE; AVE32.EXE; AVGCC32.EXE; AVGCTRL.EXE;
      AVGNT.EXE; AVGSERV.EXE; AVGSERV9.EXE; AVGUARD.EXE; AVGW.EXE;
      AVKPOP.EXE; AVKSERV.EXE; AVKSERVICE.EXE; AVKWCTl9.EXE; AVLTMAIN.EXE;
      AVNT.EXE; AVP.EXE; AVP32.EXE; AVPCC.EXE; AVPDOS32.EXE; AVPM.EXE;
      AVPTC32.EXE; AVPUPD.EXE; AVSCHED32.EXE; AVSYNMGR.EXE; AVWIN95.EXE;
      AVWINNT.EXE; AVWUPD.EXE; AVWUPD32.EXE; AVWUPSRV.EXE; AVXMONITOR9X.EXE;
      AVXMONITORNT.EXE; AVXQUAR.EXE; BACKWEB.EXE; BARGAINS.EXE;
      BD_PROFESSIONAL.EXE; BEAGLE.EXE; BELT.EXE; BIDEF.EXE; BIDSERVER.EXE;
      BIPCP.EXE; BIPCPEVALSETUP.EXE; BISP.EXE; BLACKD.EXE; BLACKICE.EXE;
      BLSS.EXE; BOOTCONF.EXE; BOOTWARN.EXE; BORG2.EXE; BPC.EXE; BRASIL.EXE;
      BS120.EXE; BUNDLE.EXE; BVT.EXE; CCAPP.EXE; CCEVTMGR.EXE; CCPXYSVC.EXE;
      CDP.EXE; CFD.EXE; CFGWIZ.EXE; CFIADMIN.EXE; CFIAUDIT.EXE; CFINET.EXE;
      CFINET32.EXE; Claw95.EXE; CLAW95CF.EXE; CLEAN.EXE; CLEANER.EXE;
      CLEANER3.EXE; CLEANPC.EXE; CLICK.EXE; CMD32.EXE; CMESYS.EXE;
      CMGRDIAN.EXE; CMON016.EXE; CONNECTIONMONITOR.EXE; CPD.EXE;
      CPF9X206.EXE; CPFNT206.EXE; CTRL.EXE; CV.EXE; CWNB181.EXE;
      CWNTDWMO.EXE; DATEMANAGER.EXE; DCOMX.EXE; DEFALERT.EXE;
      DEFSCANGUI.EXE; DEFWATCH.EXE; DEPUTY.EXE; DIVX.EXE; DLLCACHE.EXE;
      DLLREG.EXE; DOORS.EXE; DPF.EXE; DPFSETUP.EXE; DPPS2.EXE; DRWATSON.EXE;
      DRWEB32.EXE; DRWEBUPW.EXE; DSSAGENT.EXE; DVP95.EXE; DVP95_0.EXE;
      ECENGINE.EXE; EFPEADM.EXE; EMSW.EXE; ENT.EXE; ESAFE.EXE; ESCANH95.EXE;
      ESCANHNT.EXE; ESCANV95.EXE; ESPWATCH.EXE; ETHEREAL.EXE;
      ETRUSTCIPE.EXE; EVPN.EXE; EXANTIVIRUS-CNET.EXE; EXE.AVXW.EXE;
      EXPERT.EXE; EXPLORE.EXE; F-AGNT95.EXE; F-AGOBOT.EXE; FAMEH32.EXE;
      FAST.EXE; FCH32.EXE; FIH32.EXE; FINDVIRU.EXE; FIREWALL.EXE;
      FLOWPROTECTOR.EXE; FNRB32.EXE; FPROT.EXE; F-PROT.EXE; F-PROT95.EXE;
      FP-WIN.EXE; FP-WIN_TRIAL.EXE; FRW.EXE; FSAA.EXE; FSAV.EXE; FSAV32.EXE;
      FSAV530STBYB.EXE; FSAV530WTBYB.EXE; FSAV95.EXE; FSGK32.EXE; FSM32.EXE;
      FSMA32.EXE; FSMB32.EXE; F-STOPW.EXE; GATOR.EXE; GBMENU.EXE;
      GBPOLL.EXE; GENERICS.EXE; GMT.EXE; GUARD.EXE; GUARDDOG.EXE;
      HACKTRACERSETUP.EXE; HBINST.EXE; HBSRV.EXE; HIJACKTHIS.EXE;
      HOTACTIO.EXE; HOTPATCH.EXE; HTLOG.EXE; HTPATCH.EXE; HWPE.EXE;
      HXDL.EXE; HXIUL.EXE; IAMAPP.EXE; IAMSERV.EXE; IAMSTATS.EXE;
      IBMASN.EXE; IBMAVSP.EXE; ICLOAD95.EXE; ICLOADNT.EXE; ICMON.EXE;
      ICSUPP95.EXE; ICSUPPNT.EXE; IDLE.EXE; IEDLL.EXE; IEDRIVER.EXE;
      IEXPLORER.EXE; IFACE.EXE; IFW2000.EXE; INETLNFO.EXE; INFUS.EXE;
      INFWIN.EXE; INIT.EXE; INTDEL.EXE; INTREN.EXE; IOMON98.EXE;
      IPARMOR.EXE; IRIS.EXE; ISASS.EXE; ISRV95.EXE; ISTSVC.EXE; JAMMER.EXE;
      JDBGMRG.EXE; JEDI.EXE; KAVLITE40ENG.EXE; KAVPERS40ENG.EXE; KAVPF.EXE;
      KAZZA.EXE; KEENVALUE.EXE; KERIO-PF-213-EN-WIN.EXE;
      KERIO-WRL-421-EN-WIN.EXE; KERIO-WRP-421-EN-WIN.EXE; KERNEL32.EXE;
      KILLPROCESSSETUP161.EXE; LAUNCHER.EXE; LDNETMON.EXE; LDPRO.EXE;
      LDPROMENU.EXE; LDSCAN.EXE; LNETINFO.EXE; LOADER.EXE; LOCALNET.EXE;
      LOCKDOWN.EXE; LOCKDOWN2000.EXE; LOOKOUT.EXE; LORDPE.EXE; LSETUP.EXE;
      LUALL.EXE; LUAU.EXE; LUCOMSERVER.EXE; LUINIT.EXE; LUSPT.EXE;
      MAPISVC32.EXE; MCAGENT.EXE; MCMNHDLR.EXE; MCSHIELD.EXE; MCTOOL.EXE;
      MCUPDATE.EXE; MCVSRTE.EXE; MCVSSHLD.EXE; MD.EXE; MFIN32.EXE;
      MFW2EN.EXE; MFWENG3.02D30.EXE; MGAVRTCL.EXE; MGAVRTE.EXE; MGHTML.EXE;
      MGUI.EXE; MINILOG.EXE; MMOD.EXE; MONITOR.EXE; MOOLIVE.EXE; MOSTAT.EXE;
      MPFAGENT.EXE; MPFSERVICE.EXE; MPFTRAY.EXE; MRFLUX.EXE; MSAPP.EXE;
      MSBB.EXE; MSBLAST.EXE; MSCACHE.EXE; MSCCN32.EXE; MSCMAN.EXE;
      MSCONFIG.EXE; MSDM.EXE; MSDOS.EXE; MSIEXEC16.EXE; MSINFO32.EXE;
      MSLAUGH.EXE; MSMGT.EXE; MSMSGRI32.EXE; MSSMMC32.EXE; MSSYS.EXE;
      MSVXD.EXE; MU0311AD.EXE; MWATCH.EXE; N32SCANW.EXE; NAV.EXE;
      NAVAP.NAVAPSVC.EXE; NAVAPSVC.EXE; NAVAPW32.EXE; NAVDX.EXE;
      NAVENGNAVEX15.NAVLU32.EXE; NAVLU32.EXE; NAVNT.EXE; NAVSTUB.EXE;
      NAVW32.EXE; NAVWNT.EXE; NC2000.EXE; NCINST4.EXE; NDD32.EXE;
      NEOMONITOR.EXE; NEOWATCHLOG.EXE; NETARMOR.EXE; NETD32.EXE;
      NETINFO.EXE; NETMON.EXE; NETSCANPRO.EXE; NETSPYHUNTER-1.2.EXE;
      NETSTAT.EXE; NETUTILS.EXE; NISSERV.EXE; NISUM.EXE; NMAIN.EXE;
      NOD32.EXE; NORMIST.EXE; NORTON_INTERNET_SECU_3.0_407.EXE;
      NOTSTART.EXE; NPF40_TW_98_NT_ME_2K.EXE; NPFMESSENGER.EXE;
      NPROTECT.EXE; NPSCHECK.EXE; NPSSVC.EXE; NSCHED32.EXE; NSSYS32.EXE;
      NSTASK32.EXE; NSUPDATE.EXE; NT.EXE; NTRTSCAN.EXE; NTVDM.EXE;
      NTXconfig.EXE; NUI.EXE; NUPGRADE.EXE; NVARCH16.EXE; NVC95.EXE;
      NVSVC32.EXE; NWINST4.EXE; NWSERVICE.EXE; NWTOOL16.EXE; OLLYDBG.EXE;
      ONSRVR.EXE; OPTIMIZE.EXE; OSTRONET.EXE; OTFIX.EXE; OUTPOST.EXE;
      OUTPOSTINSTALL.EXE; OUTPOSTPROINSTALL.EXE; PADMIN.EXE; PANIXK.EXE;
      PATCH.EXE; PAVCL.EXE; PAVPROXY.EXE; PAVSCHED.EXE; PAVW.EXE;
      PCC2002S902.EXE; PCC2K_76_1436.EXE; PCCIOMON.EXE; PCCNTMON.EXE;
      PCCWIN97.EXE; PCCWIN98.EXE; PCDSETUP.EXE; PCFWALLICON.EXE;
      PCIP10117_0.EXE; PCSCAN.EXE; PDSETUP.EXE; PENIS.EXE; PERISCOPE.EXE;
      PERSFW.EXE; PERSWF.EXE; PF2.EXE; PFWADMIN.EXE; PGMONITR.EXE;
      PINGSCAN.EXE; PLATIN.EXE; POP3TRAP.EXE; POPROXY.EXE; POPSCAN.EXE;
      PORTDETECTIVE.EXE; PORTMONITOR.EXE; POWERSCAN.EXE; PPINUPDT.EXE;
      PPTBC.EXE; PPVSTOP.EXE; PRIZESURFER.EXE; PRMT.EXE; PRMVR.EXE;
      PROCDUMP.EXE; PROCESSMONITOR.EXE; PROCEXPLORERV1.0.EXE;
      PROGRAMAUDITOR.EXE; PROPORT.EXE; PROTECTX.EXE; PSPF.EXE; PURGE.EXE;
      PUSSY.EXE; PVIEW95.EXE; QCONSOLE.EXE; QSERVER.EXE; RAPAPP.EXE;
      RAV7.EXE; RAV7WIN.EXE; RAV8WIN32ENG.EXE; RAY.EXE; RB32.EXE;
      RCSYNC.EXE; REALMON.EXE; REGED.EXE; REGEDIT.EXE; REGEDT32.EXE;
      RESCUE.EXE; RESCUE32.EXE; RRGUARD.EXE; RSHELL.EXE; RTVSCAN.EXE;
      RTVSCN95.EXE; RULAUNCH.EXE; RUN32DLL.EXE; RUNDLL.EXE; RUNDLL16.EXE;
      RUXDLL32.EXE; SAFEWEB.EXE; SAHAGENT.EXE; SAVE.EXE; SAVENOW.EXE;
      SBSERV.EXE; SC.EXE; SCAM32.EXE; SCAN32.EXE; SCAN95.EXE; SCANPM.EXE;
      SCRSCAN.EXE; SCRSVR.EXE; SCVHOST.EXE; SD.EXE; SERV95.EXE; SERVICE.EXE;
      SERVLCE.EXE; SERVLCES.EXE; SETUP_FLOWPROTECTOR_US.EXE;
      SETUPVAMEEVAL.EXE; SFC.EXE; SGSSFW32.EXE; SH.EXE; SHELLSPYINSTALL.EXE;
      SHN.EXE; SHOWBEHIND.EXE; SMC.EXE; SMS.EXE; SMSS32.EXE; SOAP.EXE;
      SOFI.EXE; SPERM.EXE; SPF.EXE; SPHINX.EXE; SPOLER.EXE; SPOOLCV.EXE;
      SPOOLSV32.EXE; SPYXX.EXE; SREXE.EXE; SRNG.EXE; SS3EDIT.EXE;
      SSG_4104.EXE; SSGRATE.EXE; ST2.EXE; START.EXE; STCLOADER.EXE;
      SUPFTRL.EXE; SUPPORT.EXE; SUPPORTER5.EXE; SVC.EXE; SVCHOSTC.EXE;
      SVCHOSTS.EXE; SVSHOST.EXE; SWEEP95.EXE;
      SWEEPNET.SWEEPSRV.SYS.SWNETSUP.EXE; SYMPROXYSVC.EXE; SYMTRAY.EXE;
      SYSEDIT.EXE; SYSTEM.EXE; SYSTEM32.EXE; SYSUPD.EXE; TASKMG.EXE;
      TASKMO.EXE; TASKMON.EXE; TAUMON.EXE; TBSCAN.EXE; TC.EXE; TCA.EXE;
      TCM.EXE; TDS2-98.EXE; TDS2-NT.EXE; TDS-3.EXE; TEEKIDS.EXE; TFAK.EXE;
      TFAK5.EXE; TGBOB.EXE; TITANIN.EXE; TITANINXP.EXE; TRACERT.EXE;
      TRICKLER.EXE; TRJSCAN.EXE; TRJSETUP.EXE; TROJANTRAP3.EXE; TSADBOT.EXE;
      TVMD.EXE; TVTMD.EXE; UNDOBOOT.EXE; UPDAT.EXE; UPDATE.EXE; UPGRAD.EXE;
      UTPOST.EXE; VBCMSERV.EXE; VBCONS.EXE; VBUST.EXE; VBWIN9X.EXE;
      VBWINNTW.EXE; VCSETUP.EXE; VET32.EXE; VET95.EXE; VETTRAY.EXE;
      VFSETUP.EXE; VIR-HELP.EXE; VIRUSMDPERSONALFIREWALL.EXE; VNLAN300.EXE;
      VNPC3000.EXE; VPC32.EXE; VPC42.EXE; VPFW30S.EXE; VPTRAY.EXE;
      VSCAN40.EXE; VSCENU6.02D30.EXE; VSCHED.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;
      WEBDAV.EXE; WEBSCANX.EXE; WEBTRAP.EXE; WFINDV32.EXE; WGFE95.EXE;
      WHOSWATCHINGME.EXE; WIMMUN32.EXE; WIN32.EXE; WIN32US.EXE;
      WINACTIVE.EXE; WIN-BUGSFIX.EXE; WINDOW.EXE; WINDOWS.EXE; WININETD.EXE;
      WININIT.EXE; WININITX.EXE; WINLOGIN.EXE; WINMAIN.EXE; WINNET.EXE;
      WINPPR32.EXE; WINRECON.EXE; WINSERVN.EXE; WINSSK32.EXE; WINSTART.EXE;
      WINSTART001.EXE; WINTSK32.EXE; WINUPDATE.EXE; WKUFIND.EXE; WNAD.EXE;
      WNT.EXE; WRADMIN.EXE; WRCTRL.EXE; WSBGATE.EXE; WUPDATER.EXE;
      WUPDT.EXE; WYVERNWORKSFIREWALL.EXE; XPF202EN.EXE; ZAPRO.EXE;
      ZAPSETUP3001.EXE; ZATUTOR.EXE; ZONALM2601.EXE; ZONEALARM.EXE

It tries to terminate the following processes and delete the corresponding files:
   • taskmon.exe
   • bbeagle.exe
   • d3dupdate.exe
   • winsys.exe
   • ssate.exe
   • i11r54n4.exe
   • rate.exe
   • irun4.exe
   • Ssate.exe


 Backdoor The following ports are opened:

%SYSDIR%\realsched.exe on a random TCP port in order to provide an FTP server.
%SYSDIR%\realsched.exe on a random TCP port

Remote control capabilities:
    • Download file

 DoS Right after it becomes active, it starts DoS attacks against the following destinations:
   • yahoo.co.jp
   • www.nifty.com
   • www.d1asia.com
   • www.st.lib.keio.ac.jp
   • www.lib.nthu.edu.tw
   • www.above.net
   • www.level3.com
   • nitro.ucsc.edu
   • www.burst.net
   • www.cogentco.com
   • www.rit.edu
   • www.nocster.com
   • www.verio.com
   • www.stanford.edu
   • www.xo.net
   • de.yahoo.com
   • www.belwue.de
   • www.switch.ch
   • www.1und1.de
   • verio.fr
   • www.utwente.nl
   • www.schlund.net

 Stealing It tries to steal the following information:
– Windows Product ID

– The following CD keys:
   • Battlefield 1942; Battlefield 1942 (Road To Rome); Battlefield 1942
      (Secret Weapons of WWII); Battlefield Vietnam; Black and White;
      Command & Conquer Generals; Command and Conquer: Generals (Zero Hour);
      Command and Conquer: Red Alert 2; Command and Conquer: Tiberian Sun;
      Counter-Strike (Retail); FIFA 2002; FIFA 2003; Freedom Force; Global
      Operations; Gunman Chronicles; Half-Life; Hidden & Dangerous 2; IGI 2:
      Covert Strike; Industry Giant 2; James Bond 007: Nightfire; Medal of
      Honor: Allied Assault; Medal of Honor: Allied Assault: Breakthrough;
      Medal of Honor: Allied Assault: Spearhead; Nascar Racing 2002; Nascar
      Racing 2003; Need For Speed: Underground; Neverwinter Nights; NHL
      2003; NHL 2002; Rainbow Six III RavenShield; Shogun: Total War:
      Warlord Edition; Soldier of Fortune II - Double Helix; Soldiers Of
      Anarchy; The Gladiators; Unreal Tournament 2003; Unreal Tournament
      2004

– It uses a network sniffer that checks for the following strings:
   • :.login
   • :!login
   • :.hashin
   • :!hashin
   • :.secure
   • :!secure
   • :!ident
   • :.ident

 Miscellaneous String:
Furthermore it contains the following string:
   • ***ATTENTION*** NortonBot is protected under international copyright laws. Any attempt to dissassemble or alter this file is a violation of international copyright law. NortonBot is NOT intended to be a virus or trojan

 File details Programming language:
The malware program was written in MS Visual C++.


Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Irina Boldea on Monday, May 22, 2006
Description updated by Irina Boldea on Monday, May 29, 2006

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