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Virus:Worm/Kolab.hbg.1
Date discovered:15/03/2010
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Medium
Static file:Yes
File size:298.496 Bytes
MD5 checksum:48b2248688a341e91afd3c7feae72f30
IVDF version:7.10.05.88 - Monday, March 15, 2010

 General Methods of propagation:
   • Local network
   • Messenger


Aliases:
   •  Panda: W32/Kolabc.BR.worm
   •  Eset: Win32/TrojanDropper.Agent.OPQ
   •  Bitdefender: Backdoor.SDBot.DGFD


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads a malicious file
   • Drops malicious files
   • Lowers security settings
   • Registry modification
   • Third party control

 Files It copies itself to the following locations:
   • %SYSDIR%\logon.exe
   • %WINDIR%\mxmxxl.exe
   • %SYSDIR%\winIogon.exe
   • %SYSDIR%\sy.exe
   • %HOME%\SyncMan.exe
   • %SYSDIR%\winamp.exe
   • %SYSDIR%\SyncMan.exe



It deletes the initially executed copy of itself.



It deletes the following files:
   • %SYSDIR%\afcu.bat
   • %SYSDIR%\oucoqifh.bat
   • %SYSDIR%\qcjk.bat
   • %WINDIR%\nfybcnxk.bat
   • %SYSDIR%\drivers\cdrom.sys
   • %SYSDIR%\wlxt.bat
   • %WINDIR%\cudwae.bat
   • %malware execution directory%\djxcapsy.bat
   • %SYSDIR%\yufud.bat



The following files are created:

%WINDIR%\logfile32.txt
– %HOME%\oashdihasidhasuidhiasdhiashdiuasdhasd
%SYSDIR%\ftzzihwk.bat
%SYSDIR%\nvqwmp.bat
%SYSDIR%\wkdtequu.bat
%SYSDIR%\yufud.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%SYSDIR%\dllcache\cdrom.sys Further investigation pointed out that this file is malware, too. Detected as: TR/Rootkit.Gen

%SYSDIR%\rdwoc.bat
%SYSDIR%\wlxt.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%SYSDIR%\oucoqifh.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%SYSDIR%\itcngkpm.bat
%malware execution directory%\djxcapsy.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%SYSDIR%\qcjk.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%WINDIR%\nfybcnxk.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%SYSDIR%\afcu.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%WINDIR%\cudwae.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.
%WINDIR%\diqs.bat
%SYSDIR%\ermtc.bat



It tries to download a file:

– The location is the following:
   • http://pey.somebar.ru/**********




It tries to executes the following files:

– Filename:
   • %SYSDIR%\SyncMan.exe


– Filename:
   • cmd /c ""%SYSDIR%\qcjk.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\wlxt.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\itcngkpm.bat" "


– Filename:
   • cmd /c ""%WINDIR%\cudwae.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\ftzzihwk.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\rdwoc.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\ermtc.bat" "


– Filename:
   • svchost.exe


– Filename:
   • cmd.exe


– Filename:
   • sy.exe


– Filename:
   • "%WINDIR%\mxmxxl.exe"


– Filename:
   • SyncMan.exe


– Filename:
   • cmd /c ""%malware execution directory%\djxcapsy.bat" "


– Filename:
   • %SYSDIR%\winamp.exe


– Filename:
   • cmd /c ""%SYSDIR%\oucoqifh.bat" "


– Filename:
   • cmd /c ""%SYSDIR%\yufud.bat" "


– Filename:
   • %SYSDIR%\svchost.exe


– Filename:
   • cmd /c ""%WINDIR%\nfybcnxk.bat" "


– Filename:
   • %SYSDIR%\logon.exe


– Filename:
   • cmd /c ""%SYSDIR%\afcu.bat" "

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

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "SyncMan"="%HOME%\SyncMan.exe"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Microsoft Driver Setup"="%WINDIR%\mxmxxl.exe"
   • "SyncMan"="%SYSDIR%\SyncMan.exe"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\
   Run]
   • "Microsoft Driver Setup"="%WINDIR%\mxmxxl.exe"

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • Windows DLL Loader



It creates the following entry in order to bypass the Windows XP firewall:

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%SYSDIR%\SyncMan.exe"="%SYSDIR%\SyncMan.exe:*:Enabled:Windows DLL
      Loader"



The following registry key is added:

– [HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
   • "MaxUserPort"=dword:0x0000fffe

 Messenger It is spreading via Messenger. The characteristics are described below:

– MSN Messenger

The URL then refers to a copy of the described malware. If the user downloads and executes this file the infection process will start again.

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


Exploit:
It makes use of the following Exploits:
– MS03-039 (Buffer Overrun in RPCSS Service)
– MS04-007 (ASN.1 Vulnerability)
– MS04-045 (Vulnerability in WINS)
– MS06-040 (Vulnerability in Server Service)


IP address generation:
It creates random IP addresses while it keeps the first octet from its own address. Afterwards it tries to establish a connection with the created addresses.

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

Server: but.som**********.ru
Port: 7575
Nickname: [N00_USA_XP_%number%]

Server: say.lon**********.in
Port: 4676
Nickname: d[%character string%]b

 Process termination List of processes that are terminated:
   • VIPRE.EXE; ISSDM_EN_32.EXE; P08PROMO.EXE; K7TS_SETUP.EXE;
      AVINSTALL.EXE; WITSETUP.EXE; TrendMicro_TISPro_16.1_1063_x32.EXE;
      VBA32-PERSONAL-LATEST-ENGLISH.EXE; CCSETUP210.EXE; FSMB32.EXE;
      FSGK32.EXE; FSAV95.EXE; FSAV530WTBYB.EXE; FSAV530STBYB.EXE;
      FSAV32.EXE; FSAV.EXE; FSAA.EXE; FPROT.EXE; FP-WIN.EXE; FNRB32.EXE;
      FIH32.EXE; FCH32.EXE; FAST.EXE; FAMEH32.EXE; F-STOPW.EXE;
      F-PROT95.EXE; F-PROT.EXE; AFMAIN.EXE; SPIDERUI.EXE; SPIDERNT.EXE;
      ALERTMAN.EXE; RAVMOND.EXE; MAKEREPORT.EXE; BOXMOD.EXE; 360SAFE.EXE;
      360RPT.EXE; 360HOTFIX.EXE; 360TRAY.EXE; NSVMON.NPC; NSAVSVC.NPC;
      NPCGREENAGENT.NPC; PUSCAN.EXE; AYSERVICENT.AYE; AYAGENT.AYE;
      CMDAGENT.EXE; CPF.EXE; VSMON.EXE; ZLCLIENT.EXE; NSUTILITY.EXE;
      NSPUPDT.EXE; NAVQSCAN.EXE; NSPMAIN.EXE; NSPUPSVC.EXE; NSPSVC.EXE;
      MKSADMINCONSOLE.EXE; MKSUPDATE.EXE; MKSPC.EXE; MKSFWALL.EXE;
      MKSVIRMONSVC.EXE; MKS_SCAN.EXE; MKS_MAIL.EXE; MKSREGMON.EXE;
      KAVPFW.EXE; KASMAIN.EXE; KAV32.EXE; KPFWSVC.EXE; KISSVC.EXE;
      KWATCH.EXE; KPFW32.EXE; KAVSTART.EXE; KVSRVXP.EXE; KVOL.EXE; KVXP.KXP;
      KVMONXP.KXP; CAVASM.EXE; CMAIN.EXE; ARCABIT.CORE.LOGGINGSERVICE.EXE;
      ARCABIT.CORE.CONFIGURATOR2.EXE; TASKSCHEDULER.EXE; UPDATE.EXE;
      NETMONSV.EXE; FILEMONSV.EXE; ABREGMON.EXE.EXE; ARCACHECK.EXE;
      ARCAVIR.EXE; AVMENU.EXE; A2HIJACKFREE.EXE; A2SERVICE.EXE; A2START.EXE;
      A2SCAN.EXE; A2GUARD.EXE; VRFWSVC.EXE; HFACSVC.EXE; VRMONSVC.EXE;
      HPCSVC.EXE; HSVCMOD.EXE; VRMONNT.EXE; MKSTRAY.EXE; VBA32ADS.EXE;
      VBA32LDR.EXE; FILELOCKSETUP.EXE; TSCFCOMMANDER.EXE; TMPROXY.EXE;
      TMPFW.EXE; TMBMSRV.EXE; UFNAVI.EXE; UFSEAGNT.EXE; TISSPWIZ.EXE;
      SFCTLCOM.EXE; TNBUTIL.EXE; DEFWATCH.EXE; RTVSCAN.EXE; SBAMSVC.EXE;
      SBAMUI.EXE; SBAMTRAY.EXE; SAVADMINSERVICE.EXE; SAVSERVICE.EXE;
      SCFSERVICE.EXE; SCFMANAGER.EXE; RAVTASK.EXE; CCENTER.EXE; ULIBCFG.EXE;
      RAVLITE.EXE; PCTAV.EXEPCTAVSVC.EXEPXCONSOLE.EXEPXAGENT.EXERAV.EXE;
      PCTSAUXS.EXE; PCTSTRAY.EXE; PCTSSVC.EXE; PCTSGUI.EXE; AVGAS.EXE;
      PAVBCKPT.EXE; WEBPROXY.EXE; PAVSRV51.EXESRVLOAD.EXE; PSIMSVC.EXE;
      PSHOST.EXE; AVENGINE.EXE; PSKMSSVC.EXE; PAVPRSRV.EXE; PAVFNSVR.EXE;
      PSCTRLS.EXE; TPSRV.EXE; NOD32M2.EXE; NOD32CC.EXE; NOD32.EXE;
      NMAIN.EXE; NOD32KUI.EXE; MSASCUI.EXE; MSMPENG.EXE; MCUPDATE.EXE;
      MCSHIELD.EXE; MCVSSHLD.EXE; MCVSRTE.EXE; MCAGENT.EXE; KAVSVC.EXE;
      KAV.EXE; K7TSMNGR.EXE; K7SPMSRC.EXE; K7RTSCAN.EXE; K7PSSRVC.EXE;
      K7FWSRVC.EXE; K7EMLPXY.EXE; K7TSECURITY.EXE; K7SYSTRY.EXE;
      VIRUSUTILITIES.EXE; GUARDXSERVICE.EXE; GUARDXKICKOFF.EXE; AVKWCTL.EXE;
      AVKTUNERSERVICE.EXE; AVKSERVICE.EXE; GDFWSVC.EXE; AVKPROXY.EXE;
      GDFIRE~1.EXE; AVKTRAY.EXE; GDFIREWALLTRAY.EXE; FSAUA.EXE;
      NOD32KRN.EXE; FSMA32.EXE; FSDFWD.EXE; FSGK32ST.EXE; FSM32.EXE;
      FPWIN.EXE; FPAVSERVER.EXE; FPROTTRAY.EXE; INICIO.EXE; UMXPOL.EXE;
      UMXFWHLP.EXE; UMXAGENT.EXE; UMXCFG.EXE; PPCLTPRIV.EXE; SVCPRS32.EXE;
      ITMRTSVC.EXE; CCPROVSP.EXE; MDMCLS32.EXE; CAGLOBALLIGHT.EXE;
      CAPFUPGRADE.EXE; CAPFASEM.EXE; CAFW.EXE; CFGMNG32.EXE; CCTRAY.EXE;
      CLAMTRAY.EXE; CLAMWIN.EXE; ALSVC.EXE; ALMON.EXE; DRWEBSCD.EXE;
      SPIDERML.EXE; DRWEB32W.EXE; ACS.EXE; STRTSVC.EXE; OP_MON.EXE;
      SENSOR.EXE; QHFW332.EXE; CATEYE.EXE; ONLNSVC.EXE; EMLPROUI.EXE;
      UPSCHD.EXE; SCANMSG.EXE; SCANWSCS.EXE; EMLPROXY.EXE; ONLINENT.EXE;
      ASWCLNR.EXE; BDAGENT.EXE; VSSERV.EXE; LIVESRV.EXE; XCOMMSVR.EXE;
      UISCAN.EXE; BDSS.EXE; AVGUI.EXE; AVGUPD.EXE; AVGSCANX.EXE; AVGEMC.EXE;
      AVGUPSVC.EXE; AVGAMSVR.EXE; AVGWDSVC.EXE; ASHWEBSV.EXE; ASHMAISV.EXE;
      ASWUPDSV.EXE; ASHSERV.EXE; ASHDISP.EXE; AVCENTER.EXE; SCHED.EXE;
      AVIRARKD.EXE; AVGNT.EXE; AVGUARD.EXE; AHNSDSV.EXE; ACAIS.EXE;
      ACALS.EXE; ACAEGMGR.EXE; ACAAS.EXE; QOELOADER.EXE; APVXDWIN.EXE;
      QUHLPSVC.EXE; 123.EXE; RAVP.EXEMBAM.EXE123.COM; UNLOCKER1.8.7.EXE;
      UNIEXTRACT.EXE; SYSANALYZER_SETUP.EXE; STARTDRECK.EXE; SPF.EXE;
      REGX2.EXE; REGSHOT.EXE; REGSCANNER.EXE; REGISTRAR_LITE.EXE;
      REGCOOL.EXE; REGALYZ.EXE; PROJECTWHOISINSTALLER.EXE; PROCMON.EXE;
      CUREIT.EXE; FIXBAGLE.EXE; PGSETUP.EXE; OBJMONSETUP.EXE; NETALYZ.EXE;
      KILLBOX.EXE; INSTALLWATCHPRO25.EXE; AVENGER.EXE; IEFIX.EXE;
      HOSTSFILEREADER.EXE; FIXPATH.EXE; FILEFIND.EXE; FILEALYZ.EXE;
      EULALYZERSETUP.EXE; A2HIJACKFREESETUP.EXE; DLLCOMPARE.EXE;
      CPROCESS.EXE; CPORTS.EXE; ASVIEWER.EXE; APT.EXE; APM.EXE;
      SPYBOTSD.EXE; TEATIMER.EXE; SPYBOTSD160.EXE; PROCESSMONITOR.EXE;
      PROCDUMP.EXE; PG2.EXE; LORDPE.EXE; ICESWORD.EXE; REANIMATOR.EXE;
      ROOTKITNO.EXE; RKD.EXE; HACKMON.EXE; UNHACKME.EXE;
      ROOTKIT_DETECTIVE.EXE; AVGARKT.EXE; FSB.EXE; FSBL.EXE;
      ROOTKITREVEALER.EXE; PSKILL.EXE; TASKMON.EXE; TASKLIST.EXE;
      TASKMAN.EXE; PROCEXP.EXE; MSNFIX.EXE; HIJACKTHIS_V2.EXE;
      HIJACKTHIS.EXE; HIJACKTHIS_SFX.EXE; HJTSETUP.EXE; HJTINSTALL.EXE;
      OLLYDBG.EXE; NETSTAT.EXE; PORTMONITOR.EXE; PORTDETECTIVE.EXE;
      FPORT.EXE; APORTS.EXE; PAVARK.EXE; DARKSPY105.EXE; HELIOS.EXE;
      ROOTKITBUSTER.EXE; ROOTALYZER.EXE; BC5CA6A.EXE; SEEM.EXE;
      DELAYDELFILE.EXE; DUBATOOL_AV_KILLER.EXE; SUPERKILLER.EXE;
      KAKASETUPV6.EXE; BUSCAREG.EXE; MSNCLEANER.EXE; SRESTORE.EXE;
      BOOTSAFE.EXE; SUPERANTISPYWARE.EXE; CCLEANER.EXE;
      REGUNLOCKER.EXETSNTEVAL.EXEXP_TASKMGRENAB.EXE; CF9409.EXE; GMER.EXE;
      CATCHME.EXE; SDFIX.EXE; COMBOFIX.EXE; SRENGPS.EXE; AUTORUNS.EXE;
      TASKKILL.EXE; REGEDIT.EXE; REG.EXE; MYPHOTOKILLER.EXE;
      KILLAUTOPLUS.EXE; FOLDERCURE.EXE; REGEDIT.SCR; REGEDIT.COM; MMC.EXE;
      TCPVIEW.EXE; LISTO.EXE; GUARD.EXE; NTVDM.EXE; COMMAND.COM;
      COMBOFIX.COM; COMBOFIX.SCR; COMBOFIX.BAT; REGMON.EXE;
      OTMOVEIT.EXEMBAM-SETUP.EXE; JAJA.EXE; AVZ.EXE; MBAM.EXE;
      MBAM-SETUP.EXE; PENCLEAN.EXE; ELISTA.EXE; HJ.EXE;
      WINDOWS-KB890930-V2.2.EXE; MRTSTUB.EXE; MRT.EXE; HIJACK-THIS.EXE;
      VIRUS.EXE; SAFEBOOTKEYREPAIR.EXEOTMOVEIT3.EXEHOSTSXPERT.EXEDAFT.EXE;
      ATF-CLEANER.EXE; COMPAQ_PROPIETARIO.EXE; SRENGLDR.EXE; HOOKANLZ.EXE


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

Description inserted by Petre Galan on Wednesday, May 26, 2010
Description updated by Petre Galan on Wednesday, May 26, 2010

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