Virus:Worm/Rbot.210944
Date discovered:09/06/2004
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Medium
Static file:Yes
File size:88.064 Bytes
MD5 checksum:30d1ceeb713701948f1746dd3912f7d3
VDF version:6.25.00.89

 General Method of propagation:
   • Local network


Aliases:
   •  Kaspersky: Backdoor.Win32.Rbot.adf
   •  Eset: Win32/Rbot
   •  Bitdefender: Backdoor.RBot.ADF


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


Side effects:
   • Records keystrokes
   • Registry modification
   • Makes use of software vulnerability
   • Third party control

 Files It copies itself to the following location:
   • %SYSDIR%\%six-digit random character string%.exe



It deletes the initially executed copy of itself.

 Registry The following registry keys are continuously in an infinite loop added in order to run the processes after reboot.

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Threeder infoe"="%six-digit random character string%.exe"

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   • "Threeder infoe"="%six-digit random character string%.exe"

–  [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "Threeder infoe"="%six-digit random character string%.exe"



The following registry key is added:

– HKCU\Software\Microsoft\OLE
   • "Threeder infoe"="%six-digit random character string%.exe"



The following registry key is changed:

– HKLM\SYSTEM\ControlSet001\Control\Lsa
   Old value:
   • "restrictanonymous"=%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:
   • IPC$
   • C$
   • ADMIN$
– A list of usernames and passwords:
   • 7; 123; 1234; 2000; 2001; 2002; 2003; 2004; 12345; 123456; 1234567;
      12345678; 123456789; 1234567890; access; accounting; accounts; adm;
      admin; administrador; administrat; administrateur; administrator;
      admins; asd; backup; bill; bitch; blank; bob; brian; changeme; chris;
      cisco; compaq; computer; control; data; database; databasepass;
      databasepassword; db1; db1234; db2; dba; dbpass; dbpassword; default;
      dell; demo; domain; domainpass; domainpassword; eric; exchange; fred;
      fuck; george; god; guest; hell; hello; home; homeuser; ian; ibm;
      internet; intranet; jen; joe; john; kate; katie; lan; lee; linux;
      login; loginpass; luke; mail; main; mary; mike; neil; nokia; none;
      null; oem; oeminstall; oemuser; office; oracle; orainstall; outlook;
      owner; pass; pass1234; passwd; password1; peter; pwd; qaz; qwe;
      qwerty; root; sam; sex; siemens; slut; sql; sqlpassoainstall; staff;
      student; sue; susan; system; teacher; technical; test; unix; user;
      web; win2000; win2k; win98; windows; winnt; winpass; winxp; www;
      wwwadmin; zxc



Exploit:
It makes use of the following Exploits:
– MS04-007 (ASN.1 Vulnerability)
– MS04-011 (LSASS Vulnerability)


Infection process:
Creates a TFTP or 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 Servers:

Server: ded.b52kil**********
Port: 6667
Channel: #MM#
Nickname: USA|%nine-digit random character string%
Password: Bb

Server: wsw.t12**********
Port: 7000
Channel: #MM#
Nickname: USA|%nine-digit random character string%
Password: Bb



– This malware has the ability to collect and send information such as:
    • Capture screen
    • Capture shot from webcam
    • Collected Email addresses
    • CPU speed
    • Details about drivers
    • Free disk space
    • Free memory
    • Information about the network
    • Information about running processes
    • Size of memory
    • System directory
    • Information about the Windows operating system


– 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
    • disconnect from IRC server
    • Download file
    • Edit registry
    • Enable DCOM
    • Enable network shares
    • Execute file
    • 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
    • Send emails
    • Start keylog
    • Start spreading routine
    • Terminate malware
    • Terminate process
    • Updates itself
    • Upload file
    • Visit a website

 Process termination It tries to terminate the following processes and delete the corresponding files:
   • Bi11r54n4.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


 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); Chrome; 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;
      Legends of Might and Magic; 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 Hot
      Pursuit 2; Need For Speed: Underground; Neverwinter Nights;
      Neverwinter Nights (Hordes of the Underdark); Neverwinter Nights
      (Shadows of Undrentide); NHL 2003; NHL 2002; NOX; 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; :!login; :@login; :$login; :%login; :^login;
      :*login; :-login; :+login; :/login; :\login; :=login; :?login;
      :'login; :`login; :~login; : login; :.auth; :,auth; :!auth; :@auth;
      :$auth; :%auth; :^auth; :&auth; :*auth; :-auth; :+auth; :/auth;
      :\auth; :=auth; :?auth; :'auth; :`auth; :~auth; : auth; :.id; :,id;
      :!id; :@id; :$id; :%id; :^id; :&id; :*id; :-id; :+id; :/id; :\id;
      :=id; :?id; :'id; :`id; :~id; : id; :.hashin; :!hashin; :$hashin;
      :%hashin; :.secure; :!secure; :.l; :!l; :$l; :%l; :.x; :!x; :$x; :%x;
      :.syn; :!syn; :$syn; :%syn

– A logging routine is started after a website is visited, which contains the following substring in its URL:
   • paypal

– It captures:
    • Keystrokes

 Miscellaneous Mutex:
It creates the following Mutex:
   • wmwm

 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 Andrei Ivanes on Friday, April 28, 2006
Description updated by Irina Boldea on Wednesday, January 31, 2007

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