Worm/Biatch - Worm

See also

Summary

Full description

Statistics

Virus:	Worm/Biatch
Date discovered:	17/01/2006
Type:	Worm
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Medium
Damage Potential:	Medium
Static file:	Yes
File size:	20.480 Bytes
MD5 checksum:	d9c745ef21721938fd44b8bf85717b8c

General Method of propagation:
   • Local network

Aliases:
   • Mcafee: W32/Pinom.worm!backdoor
   • TrendMicro: WORM_PINOM.A
   • Bitdefender: Win32.Worm.Pinom.G

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

Side effects:
   • Registry modification
   • Third party control

Files It copies itself to the following location:
• %SYSDIR%\penis.exe

Registry The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   Old value:
   • "Shell"="Explorer.exe"
   New value:
   • "Shell"="Explorer.exe %SYSDIR%\penis.exe"

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

It drops a copy of itself to the following network share:
   • %all shared folders%\setup.exe

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

– A list of usernames and passwords:
   • 1234; 0; 7; 110; 111; 123; 1111; 1313; 2002; 2003; 2112; 2600; 5150;
      6969; 7777; 12345; 54321; 111111; 121212; 123123; 123456; 654321;
      901100; 1234567; 11111111; 12345678; 88888888; 123456789; 1234qwer;
      123abc; 123asd; 123qwe; aaa; abc; abc123; abcd; admin; Admin;
      admin123; administrator; Administrator; alpha; asdf; baseball; ccc;
      computer; database; enable; fish; foobar; god; godblessyou; golf;
      Guest; harley; home; ihavenopass; Internet; letmein; login; Login;
      love; mustang; mypass; mypass123; mypc; mypc123; oracle'pwd; owner;
      Owner; pass; passwd; password; Password; pat; patrick; pussy; pw123;
      qwer; qwerty; root; Root; secret; server; sex; shadow; super; sybase;
      temp; temp123; test; test123; win; xxx; yxcv; zxcv

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

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 Server:

Server: genesis.ga**********.us
Port: 6667
Channel: #peniz
Nickname: %random character string%
Password: pubic

– Furthermore it has the ability to perform actions such as:
    • Download file
    • Execute file
    • Perform DDoS attack
    • Terminate malware
    • Updates itself
    • Visit a website

File details Programming language:
The malware program was written in Delphi.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
• UPX

See a brief description here.

Description inserted by Iulia Diaconescu on Wed, 18 Jan 2006 11:54 (GMT+1)
Description updated by Andrei Gherman on Tue, 24 Jan 2006 12:57 (GMT+1)

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