Worm/NetSky.Q - Worm

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Statistici

Nume:	Worm/Netsky.Q
Descoperit pe data de:	29/03/2004
Tip:	Vierme
ITW:	Nu
Numar infectii raportate:	Scazut
Potential de raspandire:	Mediu
Potential de distrugere:	Scazut
Fisier static:	Da
Marime:	28.008 Bytes
MD5:	04871d17dbbd1911afc76aad6d9dbd20
Versiune VDF:	6.24.0.75

General Metoda de raspandire:
   • Email

Alias:
   • Symantec: W32.Netsky.Q@mm
   • Mcafee: W32/Netsky.q@MM
   • Kaspersky: Email-Worm.Win32.NetSky.r
   • TrendMicro: WORM_NETSKY.Q
   • Grisoft: I-Worm/Netsky.R
   • VirusBuster: I-Worm.Netsky.R
   • Bitdefender: Win32.NetSky.Q@mm

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

Efecte secundare:
   • Creeaza un fisier malware
   • Utilizeaza propriul motor de email
   • Modificari in registri
   • Profita de vulnerabilitatile softului

Dupa activare, ruleaza un program Windows care afiseaza urmatoarea fereastra:

Fisiere Se copiaza in urmatoarea locatie:
   • %WINDIR%\sysmonxp.exe

Se copiaza intr-o arhiva in urmatoarea locatie:
   • %WINDIR%\zippedbase64.tmp

Sunt create fisierele:

– Copii codificate MIME:
   • %WINDIR%\base64.tmp
   • %WINDIR%\zipo0.txt
   • %WINDIR%\zipo1.txt
   • %WINDIR%\zipo2.txt
   • %WINDIR%\zipo3.txt

– %WINDIR%\firewalllogger.txt Analiza ulterioara a relevat ca si acest fisier este malware. Detectat ca: Worm/NetSky.Q.Drp

Registrii sistemului Urmatoarea cheie este adaugata in registri pentru a rula procesul la repornirea sistemului:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "SysMonXP"="%WINDIR%\SysMonXP.exe"

Se sterg urmatoarele chei din registri, inclusiv toate valorile si cheile subordnate:
   • [HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\PINF]
   • [HKCR\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InProcServer32]

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

Exploit:
It makes use of the following vulnerability: (Smt) (ro)
– MS01-020 (Incorrect MIME Header Can Cause IE to Execute E-mail Attachment)

De la:
Adresa este falsificata.

Catre:
– Adrese de email gasite pe sistem.

Subiect:
Subiectul mesajului se compune din:

    Incepe cu unul din urmatoarele:
   • Delivery Bot
   • Server Error
   • Deliver Mail
   • Delivery Failed
   • Unknown Exception
   • Failed
   • Failure
   • Status
   • Error
   • Delivered Message
   • Mail System
   • Mail Delivery System
   • Mail Delivery failure
   • Delivery
   • Delivery Failure
   • Delivery Error

    continuand cu una din urmatoarele:
   • %adresa destinatarului%

Corpul email-ului:

Corpul email-ului este:

   • Delivery Agent - Translation failed

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Delivery Failure - Invalid mail specification

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery Failure - This mail couldn't be shown.

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery Failure - This mail couldn't be shown.

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery System - This mail contains binary characters

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Transaction Failed - This mail couldn't be converted

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery Error - This mail contains unicode characters

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery Failed - This mail couldn't be represented

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

   • Mail Delivery - This mail couldn't be displayed

     ------------- failed message -------------
     %combinatie de caractere aleatoare%

In continuare:

   • Note: Received message has been sent as a binary file.

   • Modified message has been sent as a binary attachment.

   • Received message has been sent as an encoded attachment.

   • Translated message has been attached.

   • Message has been sent as a binary attachment.

   • Received message has been attached.

   • Partial message is available and has been sent as a binary attachment.

   • The message has been sent as a binary attachment.

Urmand uneori:

   • Or you can view this message at:

     www.%domeniul destinatarului%/inmail%domeniul destinatarului din adresa de email%/mread.php/sessionid-%cateva numere aleatoare de la 0 la 9%

Atasament:
Numele fisierului atasat este alcatuit dupa cum urmeaza:

– Incepe cu unul din urmatoarele:
   • data
   • mail
   • msg
   • message

Urmata uneori de una din urmatoarele:
   • %cateva numere aleatoare de la 0 la 9%

    Extensia fisierului este una din urmatoarele:
   • .pif
   • .zip

Cateva exemple de nume al fisierului atasat:
   • mail3729.zip
   • data14025.pif
   • message.pif

Email-ul poate arata ca unul din urmatoarele:

Email Cautare adrese:
Cauta adrese de email in urmatoarele fisiere:
   • .ppt; .xls; .stm; .ods; .nch; .mmf; .mht; .mdx; .mbx; .cfg; .xml;
      .wsh; .jsp; .html; .htm; .pl; .dbx; .tbb; .adb; .dhtm; .cgi; .shtm;
      .uin; .rtf; .vbs; .msg; .oft; .sht; .doc; .wab; .asp; .php; .txt; .eml

Adrese evitate:
Nu trimite email-uri la adrese care contin unul din urmatoarele siruri de caractere:
   • reports@; spam@; noreply@; @viruslis; ntivir; @sophos; @freeav;
      @pandasof; @skynet; @messagel; abuse@; @fbi; @norton; @f-pro;
      @kaspersky; @mcafee; @norman; @bitdefender; @f-secur; @avp; @spam;
      @symantec; @antivi; @microsof

DoS (Denial of Service) lanseaza un atac DoS asupra urmatoarelor destinatii:
   • www.edonkey2000.com
   • www.kazaa.com
   • www.emule-project.net
   • www.cracks.am
   • www.cracks.st

Alte informatii Mutex:
Creeaza urmatorul mutex:
   • _-oOaxX|-+S+-+k+-+y+-+N+-+e+-+t+-|XxKOo-_

Sir de caractere:
In plus, mai contine urmatoarele siruri de caractere:
   • We are the only SkyNet, we don't have any criminal inspirations.
   • Due to many reports, we do not have any backdoors included for spam relaying.
   • and we aren't children. Due to this, many reports are wrong.
   • We don't use any virus creation toolkits, only the higher language
   • Microsoft Visual C++ 6.0. We want to prevent hacker,.
   • cracking, sharing with illegal stuff and similar illegal content.
   • Hey, big firms only want to make a lot of money.
   • That is what we don't prefer. We want to solve and avoid it.
   • Note: Users do not need a new av-update, they need
   • a better education! We will envolope...
   • - Best regards, the SkyNet Antivirus Team, Russia 05:11 P.M -

Detaliile fisierului Limbaj de programare:
Limbaj de programare folosit: C (compilat cu Microsoft Visual C++).

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 Thu, 29 Sep 2005 13:35 (GMT+1)
Descriere actualizata de Andrei Gherman la Fri, 30 Sep 2005 10:39 (GMT+1)

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