Worm/Bagle.FH - Worm

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Statistici

Nume:	Worm/Bagle.FH
Descoperit pe data de:	03/02/2006
Tip:	Vierme
ITW:	Da
Numar infectii raportate:	Scazut spre mediu
Potential de raspandire:	Mediu spre ridicat
Potential de distrugere:	Mediu
Fisier static:	Nu
Marime:	~17.000 Bytes
Versiune VDF:	6.33.00.194
Euristica:	TR/Bagle.Gen.B

General Metode de raspandire:
   • Email
   • Peer to Peer

Alias:
   • Symantec: W32.Beagle.DM@mm
   • Mcafee: W32/Bagle.do@MM
   • Kaspersky: Email-Worm.Win32.Bagle.fj
   • TrendMicro: WORM_BAGLE.CL
   • F-Secure: W32/Bagle.DX@mm
   • Sophos: Troj/BagleDl-BK
   • Panda: W32/Bagle.GR.worm
   • VirusBuster: I-Worm.Bagle.GI
   • Eset: Win32/Bagle.EZ
   • Bitdefender: Win32.Worm.Bagle.CL

Initial identificat ca:
   • TR/Bagle.Gen.B

Sistem de operare:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Efecte secundare:
   • Blocheaza accesul la website-uri ale firmelor de securitate
   • Inchide aplicatiile de securitate
   • Descarca fisiere
   • Utilizeaza propriul motor de email
   • Reduce setarile de securitate
   • Modificari in registri

Fisiere Se copiaza in urmatoarea locatie:
   • %SYSDIR%\sysformat.exe

Se copiaza in urmatoarea locatie (fisierul are atasate la sfarsit caractere aleatorii si se diferentiaza astfel de original):
   • %SYSDIR%\sysformat.exeopen

O sectiune este adaugata fisierului.
– Catre: %SYSDIR%\sysformat.exeopen Cu urmatorul continut:
   • %combinatie de caractere aleatoare%

Redenumeste urmatoarele fisiere:

    • aaa.exe în bbb.exe
    • mysuperprog1.exe în mysuperprog2.exe

Sterge urmatorul fisier:
   • mysuperprog.exe

Sunt create fisierele:

– Creeaza o arhiva ce contine o copie malware:
   • %SYSDIR%\sysformat.exeopenopen

– %SYSDIR%\sysformat.exeopenopenopen Acesta este un fisier text care nu prezinta pericol si are urmatorul continut:
   • %combinatie de caractere aleatoare%

Incearca sa descarce un fisier:

– Adresele sunt urmatoarele:
   • http://www.cnsrvr.com/**********
   • http://www.casinofunnights.com/**********
   • http://www.ec.cox-wacotrib.com/**********
   • http://www.crazyiron.ru/**********
   • http://www.uni-esma.de/**********
   • http://www.sorisem.net/**********
   • http://www.varc.lv/**********
   • http://www.belwue.de/**********
   • http://www.thetildegroup.com/**********
   • http://www.vybercz.cz/**********
   • http://www.kyno.cz/**********
   • http://www.forumgestionvilles.com/**********
   • http://www.campus-and-more.com/**********
   • http://www.capitalforex.com/**********
   • http://www.capitalspreadspromo.com/**********
   • http://www.prineus.de/**********
   • http://www.databoots.de/**********
   • http://www.steintrade.net/**********
   • http://www.njzt.net/**********
   • http://www.emarrynet.com/**********
   • http://www.zebrachina.net/**********
   • http://www.lxlight.com/**********
   • http://www.yili-lighting.com/**********
   • http://www.fachman.com/**********
   • http://www.q-serwer.net/**********
   • http://www.wellness-i.com/**********
   • http://www.newportsystemsusa.com/**********
   • http://www.westcoastcadd.com/**********
   • http://www.wing49.cz/**********
   • http://www.posteffects.com/**********
   • http://www.provax.sk/**********
   • http://www.casinobrillen.de/**********
   • http://www.duodaydream.nl/**********
   • http://www.finlaw.ru/**********
   • http://www.fitdina.com/**********
   • http://www.flashcardplayer.com/**********
   • http://www.flox-avant.ru/**********
   • http://www.lotslink.com/**********
   • http://www.algor.com/**********
   • http://www.gaspekas.com/**********
   • http://www.ezybidz.com/**********
   • http://www.genesisfinancialonline.com/**********
   • http://www.georg-kuenzle.ch/**********
   • http://www.girardelli.com/**********
   • http://www.rodoslovia.ru/**********
   • http://www.golden-gross.ru/**********
   • http://www.gregoryolson.com/**********
   • http://www.gtechna.com/**********
   • http://www.lunardi.com/**********
   • http://www.sgmisburg.de/**********
   • http://www.harmony-farms.net/**********
   • http://www.hftmusic.com/**********
   • http://www.hiwmreport.com/**********
   • http://www.horizonimagingllc.com/**********
   • http://www.hotelbus.de/**********
   • http://www.howiwinmoney.com/**********
   • http://www.ietcn.com/**********
   • http://www.import-world.com/**********
   • http://www.houstonzoo.org/**********
   • http://www.interorient.ru/**********
   • http://www.internalcardreaders.com/**********
   • http://www.interstrom.ru/**********
   • http://www.iutoledo.org/**********
   • http://www.wena.net/**********
   • http://www.iesgrantarajal.org/**********
   • http://www.alexandriaradiology.com/**********
   • http://www.booksbyhunter.com/**********
   • http://www.wxcsxy.com/**********
   • http://www.coupdepinceau.com/**********
   • http://www.erotologist.com/**********
   • http://www.jackstitt.com/**********
   • http://www.imspress.com/**********
   • http://www.digitalefoto.net/**********
   • http://www.josemarimuro.com/**********
   • http://www.eversetic.com/**********
   • http://www.curious.be/**********
   • http://www.kameo-bijux.ru/**********
   • http://www.karrad6000.ru/**********
   • http://www.kaztransformator.kz/**********
   • http://www.keywordthief.com/**********
Fisierul este stocat pe hard disc la: %SYSDIR%\re_file.exe La momentul realizarii descrierii, acest fisier nu era disponibil pentru o analiza ulterioara.

Registrii sistemului Urmatoarea cheie este adaugata in registri, in mod repetat, pentru a porni procesul dupa reboot.

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • sysformat = %SYSDIR%\sysformat.exe

Valorile urmatoarelor chei sunt sterse din registrii sistemului:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • My AV
   • ICQ Net

– [HKLM\Software\Microsoft\Windows\CurrentVersion\Run]
   • My AV
   • ICQ Net

Se sterg urmatoarele chei din registri, inclusiv toate valorile si cheile subordnate:
   • [HKCU\Software\New Key 1\1]
   • [HKCU\Software\New Key 1\2]
   • [HKCU\Software\New Key 1\New Key 1]

Urmatoarele chei sunt adaugate in registrii sistemului:

– [HKCU\Software\Microsoft\Params]
   • FirstRun = dword:00000001

– [HKLM\SOFTWARE\Microsoft\DownloadManager]

Urmatoarea cheie din registri este modificata:

Dezactiveaza Windows XP Firewall:
– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess]
   Vechea valoare:
   • Start = %setarile utilizatorului%
   Noua valoare:
   • Start = dword:00000004

Email Are un motor SMTP integrat. Va fi facuta o conexiune directa cu serverul destinatar. Iata caracteristicile lui:

De la:
Adresa este falsificata.

Catre:
– Adrese de email gasite pe sistem.

Subiect:
Unul din urmatoarele:
   • Delivery service mail
   • Delivery by mail
   • Registration is accepted
   • Is delivered mail
   • You are made active

Corpul email-ului:
Corpul email-ului este unul din textele:
   • Thanks for use of our software.
   • Before use read the help.

Atasament:
Numele fisierului atasat este unul din urmatoarele:
   • wsd01.zip
   • viupd02.zip
   • siupd02.zip
   • guupd02.zip
   • zupd02.zip
   • upd02.zip
   • Jol03.zip

Atasamentul este o copie a fisierului creat: %SYSDIR%\sysformat.exeopenopen

Email-ul poate arata ca unul din urmatoarele:

Email Cautare adrese:
Cauta adrese de email in urmatoarele fisiere:
   • .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

Adrese evitate:
Nu trimite email-uri la adrese care contin unul din urmatoarele siruri de caractere:
   • @microsoft; rating@; f-secur; news; update; anyone@; bugs@; contract@;
      feste; gold-certs@; help@; info@; nobody@; noone@; kasp; admin;
      icrosoft; support; ntivi; unix; bsd; linux; listserv; certific; sopho;
      @foo; @iana; free-av; @messagelab; winzip; google; winrar; samples;
      abuse; panda; cafee; spam; pgp; @avp.; noreply; local; root@;
      postmaster@

Rezolvarea adreselor internet:
Nu foloseste serverul DNS implicit.
Se poate conecta la serverul DNS:
   • 217.5.97.137

P2P Pentru a infecta alte sisteme din retele Peer-to-Peer, efectueaza urmatarele operatii:

–   Cauta directoarele care au in numele lor textul:
   • shar

   Daca reuseste, sunt create urmatoarele fisiere:
   • 1.exe; 2.exe; 3.exe; 4.exe; 5.scr; 6.exe; 7.exe; 8.exe; 9.exe; 10.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

Fisiere host Fisierul

– In acest caz, inregistrarile existente sunt sterse.

– Accesul la urmatoarele domenii este blocat:
   • ad.doubleclick.net; ad.fastclick.net; ads.fastclick.net;
      ar.atwola.com; atdmt.com; avp.ch; avp.com; avp.ru; awaps.net;
      banner.fastclick.net; banners.fastclick.net; ca.com; click.atdmt.com;
      clicks.atdmt.com; dispatch.mcafee.com; download.mcafee.com;
      download.microsoft.com; downloads.microsoft.com; engine.awaps.net;
      fastclick.net; f-secure.com; ftp.f-secure.com; ftp.sophos.com;
      go.microsoft.com; liveupdate.symantec.com; mast.mcafee.com;
      mcafee.com; media.fastclick.net; msdn.microsoft.com; my-etrust.com;
      nai.com; networkassociates.com; office.microsoft.com;
      phx.corporate-ir.net; secure.nai.com; securityresponse.symantec.com;
      service1.symantec.com; sophos.com; spd.atdmt.com;
      support.microsoft.com; symantec.com; update.symantec.com;
      updates.symantec.com; us.mcafee.com; vil.nai.com; viruslist.ru;
      windowsupdate.microsoft.com; www.avp.ch; www.avp.com; www.avp.ru;
      www.awaps.net; www.ca.com; www.fastclick.net; www.f-secure.com;
      www.kaspersky.ru; www.mcafee.com; www.my-etrust.com; www.nai.com;
      www.networkassociates.com; www.sophos.com; www.symantec.com;
      www.trendmicro.com; www.viruslist.ru; www3.ca.com

Fisierul hosts modificat va arata astfel:

Terminarea proceselor Lista cu procesele oprite:
   • mcagent.exe; mcvsshld.exe; mcshield.exe; mcvsescn.exe; mcvsrte.exe;
      DefWatch.exe; Rtvscan.exe; ccEvtMgr.exe; NISUM.EXE; ccPxySvc.exe;
      navapsvc.exe; NPROTECT.EXE; nopdb.exe; ccApp.exe; Avsynmgr.exe;
      VsStat.exe; Vshwin32.exe; alogserv.exe; RuLaunch.exe; Avconsol.exe;
      PavFires.exe; FIREWALL.EXE; ATUPDATER.EXE; LUALL.EXE; DRWEBUPW.EXE;
      AUTODOWN.EXE; NUPGRADE.EXE; OUTPOST.EXE; ICSSUPPNT.EXE; ICSUPP95.EXE;
      ESCANH95.EXE; AVXQUAR.EXE; ESCANHNT.EXE; ATUPDATER.EXE; AUPDATE.EXE;
      AUTOTRACE.EXE; AUTOUPDATE.EXE; AVXQUAR.EXE; AVWUPD32.EXE; AVPUPD.EXE;
      CFIAUDIT.EXE; UPDATE.EXE; NUPGRADE.EXE; MCUPDATE.EXE; pavsrv50.exe;
      AVENGINE.EXE; APVXDWIN.EXE; pavProxy.exe; navapw32.exe; navapsvc.exe;
      ccProxy.exe; navapsvc.exe; NPROTECT.EXE; SAVScan.exe; SNDSrvc.exe;
      symlcsvc.exe; LUCOMS~1.EXE; blackd.exe; bawindo.exe;
      FrameworkService.exe; VsTskMgr.exe; SHSTAT.EXE; UpdaterUI.exe

Alte informatii Mutex:
Creeaza urmatorii mutecsi:
• vMuXxXxTENYKSDesignedAsTheFollowerOfSkynet-D
• _-oO]xX|-S-k-y-N-e-t-|Xx[Oo-_

Detaliile fisierului Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit un program de compresie runtime.

Pentru o descriere scurta click aici.

Descriere introdusa de Andrei Gherman la Fri, 03 Feb 2006 13:52 (GMT+1)
Descriere actualizata de Andrei Gherman la Fri, 10 Feb 2006 09:58 (GMT+1)

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