Worm/RBot.72262 - Worm

See also

Summary

Full description

Statistics

Virus:	Worm/RBot.72262
Date discovered:	30/08/2005
Type:	Worm
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Medium
Damage Potential:	Medium
Static file:	Yes
File size:	72,262 Bytes
MD5 checksum:	5378ccf46e1f5843d8cc1317452f8c39
VDF version:	6.30.0.222

General Method of propagation:
   • Local network

Aliases:
   • Symantec: W32.Spybot.Worm
   • Mcafee: W32/Sdbot.worm.gen.l
   • Kaspersky: Backdoor.Win32.Rbot.gen
   • TrendMicro: WORM_RBOT.BIQ
   • Sophos: W32/Rbot-ADV
   • VirusBuster: Worm.Rbot.BRI
   • Bitdefender: Backdoor.Rbot.JB

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

Side effects:
   • Disable security applications
   • Lowers security settings
   • Records keystrokes
   • Registry modification
   • Makes use of software vulnerability
   • Steals information
   • Third party control

Files It copies itself to the following location:
• %sysdir%\SystemDll.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]
   • "Microsoft DLL Extensions"="SystemDll.exe"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Microsoft DLL Extensions"="SystemDll.exe"

The following registry keys are added in order to load the service after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   • "Microsoft DLL Extensions"="SystemDll.exe"

The following registry keys are changed:

– [HKLM\SOFTWARE\Microsoft\Ole]
   Old value:
   • %user defined settings%
   New value:
   • "EnableDCOM"="N"

– [HKLM\SYSTEM\CurrentControlSet\Control\Lsa]
   Old value:
   • %user defined settings%
   New value:
   • "restrictanonymous"=dword:00000001

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:
   • c$\windows\system32
   • c$\winnt\system32
   • Admin$\system32

It uses the following login information in order to gain access to the remote machine:

– The following list of usernames:
   • adm; db2; oracle; dba; database; default; guest; wwwadmin; teacher;
      student; owner; computer; staff; admins; administrat; administrateur;
      administrador; administrator

– The following list of passwords:
   • intranet; lan; main; winpass; blank; office; control; nokia; siemens;
      compaq; dell; cisco; ibm; orainstall; sqlpassoainstall; sql; db1234;
      db1; domain; hello; hell; god; sex; slut; bitch; fuck; exchange;
      backup; technical; loginpass; login; mary; katie; kate; george; eric;
      chris; ian; neil; lee; brian; susan; sue; sam; luke; peter; john;
      mike; bill; fred; joe; jen; bob; qwe; zxc; asd; qaz; win2000; winnt;
      winxp; win2k; win98; windows; oeminstall; oemuser; oem; user;
      homeuser; home; accounting; accounts; internet; www; web; outlook;
      mail; qwerty; null; server; system; changeme; linux; unix; demo; none;
      test; 2004; 2003; 2002; 2001; 2000; 1234567890; 123456789; 12345678;
      1234567; 123456; 12345; 1234; 123; 007; databasepassword; data;
      databasepass; dbpassword; dbpass; access; domainpassword; domainpass;
      pwd; pass; pass1234; passwd; password; password1

Exploit:
It makes use of the following Exploit:
– MS03-026 (Buffer Overrun in RPC Interface)

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

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

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

Server: sql.**********ggazpwn.net
Port: 4447
Channel: #MSNOWN#
Nickname: USA|<%five-digit random character string%>
Password: durty

Server: www.**********age.net
Port: 4447
Channel: #MSNOWN#
Nickname: USA|<%five-digit random character string%>
Password: durty

Server: unknown.**********net.net
Port: 4447
Channel: #MSNOWN#
Nickname: USA|<%five-digit random character string%>
Password: durty

– This malware has the ability to collect and send information such as:
    • Capture screen
    • Capture shot from webcam
    • Current user
    • Free disk space
    • Free memory
    • Malware uptime
    • Information about the network
    • Information about running processes
    • Username
    • Users' local activity

– Furthermore it has the ability to perform actions such as:
    • Launch DDoS ICMP flood
    • Launch DDoS SYN flood
    • Launch DDoS TCP flood
    • Launch DDoS UDP flood
    • Disable DCOM
    • Disable network shares
    • Enable DCOM
    • Enable network shares
    • Execute file
    • Kill process
    • Open remote shell
    • Perform DDoS attack
    • Perform network scan
    • Restart system
    • Send emails
    • Shut down system
    • Start spreading routine
    • Terminate process
    • Updates itself
    • Upload file

Process termination List of processes that are terminated:
   • i11r54n4.exe; irun4.exe; d3dupdate.exe; rate.exe; ssate.exe;
      winsys.exe; winupd.exe; SysMonXP.exe; bbeagle.exe; Penis32.exe;
      teekids.exe; MSBLAST.exe; mscvb32.exe; sysinfo.exe; PandaAVEngine.exe;
      wincfg32.exetaskmon.exe; zonealarm.exe; navapw32.exe; navw32.exe;
      zapro.exe; msblast.exe; netstat.exe; msconfig.exe; regedit.exe

Stealing It tries to steal the following information:

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

– A logging routine is started after the following website is visited, which contains one of the following substrings in the URL:
   • paypal
   • PAYPAL
   • paypal.com
   • PAYPAL.COM

– It captures:
    • Login information

Miscellaneous Mutex:
It creates the following Mutex:
• Susie091

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.

See a brief description here.

Description inserted by Iulia Diaconescu on Wed, 31 Aug 2005 10:16 (GMT+1)
Description updated by Iulia Diaconescu on Mon, 19 Sep 2005 14:27 (GMT+1)

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