Worm/Sdbot.51974 - Worm

See also

Summary

Full description

Statistics

Virus:	Worm/Sdbot.51974
Date discovered:	07/09/2006
Type:	Worm
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Medium
Damage Potential:	Medium
Static file:	Yes
File size:	51.974 Bytes
MD5 checksum:	a11bf9ceff0c7cef69a730afb3390cd9
VDF version:	6.35.01.195 - Thu, 07 Sep 2006 16:51 (GMT+1)
IVDF version:	6.35.01.199 - Fri, 08 Sep 2006 12:59 (GMT+1)

General Method of propagation:
   • Local network

Aliases:
   • TrendMicro: WORM_SDBOT.XY
   • Grisoft: IRC/BackDoor.SdBot2.HRV

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

Side effects:
   • Drops a malicious file
   • Lowers security settings
   • Registry modification
   • Third party control

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

The following file is created:

– C:\sirh0t_changes_ur_hostfile.bat Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: BAT/Qhost.A

Registry The following registry keys are added in order to run the processes after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "null"="axux.exe"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices]
   • "null"="axux.exe"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "null"="axux.exe"

It creates the following entry in order to bypass the Windows XP firewall:

– [HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%windir%\system32\axux.exe"="%windir%\system32\axux.exe:*:Enabled:@xpsp2res.dll,-22019"

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$
   • D$
   • E$
   • print$
   • Admin$

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

– A list of usernames and passwords:
   • zxcv; zxc; zulu; zombie; zmodem; zimmerman; zimmerma; ziggy; zeitgeis;
      zebra; zap; yxcv; youwontguessme; young; yosemite; yolanda;
      yellowstone; yellowst; yellow; yankee; yang; yaco; xyzzy; xyz;
      xxxxxxxxx; xxxxxxxx; xxxxxxx; xxxxxx; xxxxx; xxxx; xxx; xray; xmodem;
      xmen; xman; xfer; xena; wyoming; wwwadmin; www; wwii; WRITE; wormwood;
      worm; work; worf; wordperf; word; woodwind; wood; women; wombat;
      woman; wolverin; wolf; wizard; within; wiseass; wisconsin; wisconsi;
      wired; winxp; winston; winpass; winnt; wing; wine; windozexp;
      windozeME; windoze98; windoze95; windoze2k; windoze; windowz;
      WindowsXP; windowsME; windows98; windows95; windows2k; windows;
      windose; win98; win2k; win2000; win; wilma; willie; williamsburg;
      williams; william; will; wileecoyote; whore; wholesale; wholesal;
      whitney; whiting; white; whisky; whatnot; whatever; wh0re; wh0r3;
      western; west; werewolf; wendy; wendi; well; weenie; weed; wednesda;
      webpage; web; wave; water; watchwor; wasp; warren; warp; wargames;
      warfare; warez; ward; waco; w00t; vodka; visualba; visual; visitor;
      virus; virginia; virgin; village; videogam; video; victor; vicky;
      vertigo; veronica; venus; vasant; vampire; valerie; vagina;
      uwontguessme; uucp; utility; util; usmc; userpassword; username;
      usermane; user1; User; USER; user; usenet; ursula; urchin; uranus;
      upload; unlock; Unknown; unknown; unix; universi; universe; universa;
      uniform; unicorn; unhappy; undo; uncle; umesh; ugly; tuttle; turnip;
      turn; tuesday; tubas; tty; truth; true; tron; trombone; trojan;
      trivial; trisha; trek; tree; trapdoor; trap; transfer; trails; tracy;
      tracie; traci; toyota; toxic; tortoise; topography; topograp; tomato;
      tokenrin; token; toggle; toad; tits; tina; time; tiger; tiffany;
      thursday; thin; theresa; thailand; text; tetris; testing; testin;
      tester; test123; Test; test; TEST; tess; terminat; terminal; tera;
      tennis; temptation; temptati; temp123; temp; TEMP; telnet; telephone;
      telephon; teenage; teen; technical; tech; tears; teapot; team;
      teacher; taylor; tarragon; target; tara; tape; tango; tangerine;
      tangerin; tammy; tamie; tami; tamara; tall; talk; tabasco; SYSTEM;
      system; sysop; sysadmin; sys; symmetry; sybil; sybase; sword; switch;
      sweat; swearer; suzie; suzanne; susie; susanne; susan; surfing;
      surfer; supported; supporte; support; supervis; superuser; superuse;
      superstage; supersta; superson; superman; super; sunday; sun; summer;
      sue; sucks; suckmydi; suck; success; subway; subscrib; stuttgart;
      stuttgar; student1; student; strip; string; streetfi; stratford;
      stratfor; strangle; strange; stones; stoned; stoneage; steve; stereo;
      stephanie; stephani; steph; steel; steal; steak; starwars; startup;
      startrek; start; starship; star; Standard; staff; stacy; stacie;
      staci; stacey; sr71; squires; sqlpass; sqlagent; sql; spunk; springer;
      spring; spred; spit; spiderma; spider; spice; spencer; spell; spear;
      sparrows; spaceshi; spaceman; south; source; sossina; sonya; sonic;
      sonia; sondra; somebody; software; soft; sodomy; socrates; social;
      soap; snoopy; snatch; snake; snafu; snach; smut; smtp; smother;
      smooch; smiles; smile; smart; small; slut; slow; sliders; slick;
      slave; skull; site; single; singer; simulati; simpsons; simple; simon;
      simcity; silver; signature; signatur; sierra; siemens; sick; shuttle;
      short; shivers; shiva; shitpot; shit; shirley; shift; sherri; shell;
      sheldon; sheffield; sheffiel; sharon; sharks; shark; SHARE; sharc;
      shannon; sexy; sex; sesame; service; SERVER; serial; serenity; sentry;
      sentinel; sensor; sega; seed; security; secret; search; scriptkiddie;
      script; scout; scotty; scott; scorpion; scifi; schoolsucks; school;
      scheme; scamper; saxon; saturn; saturday; satanik; satanic; satan;
      sarah; sara; sandy; sandra; sample; samantha; sam; salt; sale; salami;
      sal; sage; safe; ruth; rush; running; rules; rude; ruby; ruben;
      rubber; RPC; rough; Ross; roses; rosemary; rosebud; rose;
      RoscoPColtrane; RoscoP; Rosco; rooted; ROOT; root; ronald; ron;
      romulan; romeo; romano; rolex; rodent; rockyhor; rocky; rock;
      rochester; rocheste; rochelle; robyn; robotics; robot; robin; robert;
      roach; rje; risc; ripple; riot; ring; rightwin; right; riffraff; rick;
      rich; rhino; reveal; resistan; republic; report; rent; reno; renee;
      remote; release; regional; referenc; redhead; reddawn; record; rebel;
      rebecca; rebal; reaper; ream; really; reality; reagan; READ; razor;
      rascal; rape; random; raleigh; raindrop; rainbow; rain; raid; RAGE;
      rachmaninoff; rachmani; rachelle; rachel; rabbit; r00t; qwerty; qwert;
      qwer; qwe; quebec; qaz; pwd; pw123; pussy; puppet; punk; punisher;
      puneet; pumpkin; puke; puck; public; pub; psychopa; psycho; protozoa;
      protect; prompt; program; profile; professor; professo; processo;
      proceed; privs; private; priv; printer; princeton; princeto; prince;
      presto; prelude; precious; praise; power; poster; post; porsche;
      porno; porn; pork; poor; poop; pondering; ponderin; polynomial;
      polynomi; polly; police; poetry; plymouth; pluto; plover; playboy;
      plane; pizza; piss; pinname; pink; pimp; pierre; pick; phuck; phreak;
      phrase; phrack; photon; phone; phoenix; philip; phil; peter; pete;
      pervert; persona; persimmon; persimmo; permit; perfect; percolate;
      percolat; pepsi; pepper; peoria; pentium; penthous; pentagra;
      pentagon; penname; penis; Penis; penguin; penelope; pencil; pecker;
      peanuts; paula; patty; patriot; patrick; patricia; pat; paste;
      password123; password1; Password; PASSWORD; password; passwd;
      passphra; pass1234; pass123; pass; pascal; papers; paper; papa;
      pamela; pam; pakistan; paint; painless; pad; packer; packard; pacific;
      oxford; Owner; OWNER; owner; owned; own; owa; outside; output;
      outlook; outlaw; outdoors; osiris; oscar; orwell; orient; orca;
      orange; oracle; operator; opensesa; openlock; opening; omega; olivia;
      olivetti; oldage; okay; office; oemuser; oeminstall; OEM; oem; ocelot;
      oceanography; oceanogr; obscurit; nyquist; nuts; nutrition; nutritio;
      number; null; nukem; nuke; nude; nuclear; noxious; november; novel;
      nova; noth; notes; noreen; noob; none; nokia; node; nobody; noble;
      nnaacp; nita; nintendo; Nilez; nightmar; night; nicotine; nicole;
      nice; next; newyork; newton; newsgrou; news; newborn; new; network;
      netscape; netfuck; netdevil; netbios; net-devil; net; ness; neptune;
      nepenthe; neil; navy; nasa; napoleon; nancy; name; nagel; mypc123;
      mypc; mypass123; mypass; mutant; muppets; msdos; mpeg; mozart; movies;
      movie; move; mouse; mountain; mosaic; mortgage; mortalco; mortal;
      morris; morley; more; moose; moor; moom; monica; monday; moguls;
      mogul; modem; mkii; mit; mission; misfit; minsky; minimum; mine; mike;
      midieval; microsof; micropro; microchi; micro; mickey; michelle;
      michele; michelan; michel; michael; mice; mgr; mets; metalica;
      metalhea; metal; merlin; mercury; menu; menace; memory; member;
      melrose; mellon; melissa; megan; megadeth; megabyte; meagan; maurice;
      Matthew; Matt; math; Mat; master; mass; mason; mary; marvin; marty;
      mars; marriage; marni; markus; mark; marines; marijuan; marietta;
      mariens; maria; marcy; marci; mara; manager; mana; malcom; malcolm;
      maint; main; mail; magnet; magic; maggot; macro; mack; macintosh;
      macintos; machine; lynne; lynn; lust; luke; lude; lucy; lucus; luck;
      lover; lovebug; love; louis; loser; lorraine; lorin; lori; lore;
      loose; lolopc; lol; lois; logout; loginwor; loginpass; Login; login;
      logic; lockword; lockout; lock; LOCAL; load; liz; live; literatu;
      lisp; lisa; lips; lion; linux; link; linda; limited; limbaugh; lima;
      lightsab; light; life; licker; lick; library; liberal; lexluthe;
      lewis; letmein; leslie; lesbian; leroy; leland; legal; leftwing; left;
      leet; lee; lebesgue; leah; lazer; lazarus; lava; laura; laser; larry;
      larkin; lara; laptop; lana; lan; lamination; laminati; lambda; lakers;
      ladle; ladies; l33t; l337; kristy; kristine; kristin; kristie; kristi;
      kristen; krista; known; knightma; knight; knife; klingon; kitten;
      kissmyas; kiss; kirkland; kirk; king; kimberly; kim; kilo; killthem;
      killer; kill; kids; kiddie; keyword; keyin; keybord; key; kewl; kevin;
      kerry; kerrie; kerri; kernel; kermit; keri; kelly; katrina; katina;
      katie; kathy; kathrine; kathleen; kate; katana; karina; karie; karen;
      kaka; jupiter; june; juliet; julie; julia; juicy; juggle; judy;
      judith; joyce; joy; journal; joshua; joseph; johnny; johndoe; john;
      joe; jody; joanne; joan; jixian; jill; jewelry; jester; jessica;
      jerusale; jerry; jenny; jennifer; jenni; jen; jeff; jeanne; jean;
      jazz; java; jasmin; japan; janie; janice; janet; jane; jail; jackie;
      isis; irule; irishman; irene; Inviter; invent; intranet; internet;
      Internet; integer; inside; input; innocuous; innocuou; inna; ingrid;
      ingress; ingres; indians; indiana; indian; india; include; imperial;
      immortal; imbroglio; imbrogli; image; illumina; ihavenopass; icecream;
      ibm; ian; hypertxt; hyper; hydrogen; hutchins; hunter; hunt; http;
      hotel; hotdog; host; horus; horse; horror; horrible; horny; hooters;
      hooker; honey; homework; homeuser; homer; homepage; home; hollywoo;
      holly; hole; hits; hitler; highland; high; hidden; hibernia; hiawatha;
      hexadeci; hewlett; heroin; hero; herbert; herb; help; hello; hell;
      heinlein; heidi; hebrides; heaven; heather; heathen; heat; headoffice;
      headbang; head; haxing; hax0r; hax; hawaii; haven; hate; harvey;
      harold; harmony; harddriv; hardcore; hard; happening; happenin;
      handjob; handily; handel; hamster; hamlet; hallowee; hal; hair; hagar;
      hacker; hacked; hack; h4x1ng; h4x0ring; h4x0r1ng; guntis; gumption;
      guitar; Guest; GUEST; guest; guessme; guess; gucci; guardian; gryphon;
      group; green; great; grant; grand; grahm; graham; grades; govermen;
      gouge; gosling; gorges; gorgeous; good; golfer; golf; golden; gold;
      godblessyou; god; gobo; gnu; glen; glacier; girl; ginger; gina;
      gigabyte; gibson; ghost; gertrude; germ; george; gauss; gatt;
      gatherin; gateway; Gast; garfield; gardner; games; gabriel; fungible;
      function; fun; FULL; fudge; fuckyou; fuckme; fucking; fucker; fucked;
      fuck; fubar; fryguy; frog; frighten; friends; friend; friday; french;
      freedom; free; freddy; fred; freak; frank; france; foxtrot; fourier;
      forsythe; fornicat; format; form; forever; foresight; foresigh; ford;
      force; football; foolproof; foolproo; fool; food; foobar; flowers;
      flower; florida; float; flakes; fishers; fish; firewall; fire; finite;
      FILES; file; fight; field; fidelity; ferrari; fermat; fender; felicia;
      feds; fear; fast; fart; faraday; farad; family; false; falcon; faith;
      fairway; extension; extensio; explosiv; explorer; explore; explode;
      expert; exchnge; exchange; evelyn; euclid; eternity; estate;
      establish; establis; ersatz; erotic; erin; erika; erica; eric;
      erenity; enzyme; enterprise; enterpri; enter; english; england;
      engineer; engine; enemy; enable; emmanuel; emily; emerald; email;
      ellen; elizabeth; elizabet; elephant; electron; elanor; elaine;
      einstein; einsiein; eileen; eiderdown; eiderdow; egghead; edwina;
      edwin; education; educatio; edu; edition; edit; edinburgh; edinburg;
      edges; eddie; echo; eatme; easy; easier; earth; eagle; eager; dyke;
      dungeon; duncan; dulce; duke; duelist; dudette; dude; dud3; duck;
      drought; drive; drdoom; dragon; dos; dope; doors; door; doonesbu;
      doomsday; doomii; doom2; doom; dong; donaldduck; domainpassword;
      domainpass; domain; dollar; dog; doctor; display; disney; diskette;
      disk; discovery; discover; disclose; discipli; disc; dirty; director;
      direct; dipshit; dinosaur; digital; dieter; diet; diehard; dick; dice;
      diane; diana; diamond; dial; devil; device; develop; desperate;
      desperat; desktop; desk; desiree; dennis; denise; democrat; demo;
      DEMO; deluge; delta; Dell; dell; defoe; Default; DEFAULT; default;
      deck; december; debug; deborah; debbie; deb; deathsta; death; dead;
      dbpassword; dbpass; db1234; db1; dawn; dave; databasepassword;
      databasepass; database; data; darkaven; dark; dapper; danny; danielle;
      daniel; dancer; dana; daisy; daemon; d00d; cynthia; cyberspa;
      cyberpun; cyber; customer; cunt; ctx; cshrc; crystal; cristina;
      criminal; crime; cretin; creosote; credit; creature; creation; create;
      cream; crash; crackpot; crack; cowboy; couscous; country; counters;
      correct; cornelius; corneliu; copy; cops; copper; cooper; cool;
      cookie; cookbook; cook; control; continue; console; conserva; connie;
      connect; condom; condo; comrades; comrade; computin; computer; compaq;
      company; commrades; commrade; commit; comics; combat; color; collins;
      cold; cola; coke; coin; coffee; codeword; codename; code; cock;
      cocainco; cocacola; coast; clusters; cluster; clinton; cleavage;
      claymore; claudia; classic; classes; class; cisco; cindy; cigarett;
      cigar; CHT; christy; christine; christina; christin; chris; chip;
      chester; chess; chemistry; chemistr; chem; CHECK; chat; charon;
      charming; charlie; charles; charity; Changeme; changeme; change;
      cerulean; celtics; celtic; celt; cecily; cayuga; cave; cathy;
      catholic; catherine; catherin; cat; castle; cash; cascades; carson;
      carrie; caroline; carolina; carole; carol; carmen; carla; caren;
      cardinal; card; capture; captain; capitol; cantor; candy; candi;
      camping; campanile; campanil; camille; californ; cad; butthead; butt;
      butch; burn; burgess; bung; bumbling; bullshit; bulls; bsd; brutefor;
      brute; brunette; bruce; brothel; broadway; bridget; brian; brenda;
      breast; break; bravo; brandy; brandi; bradley; boyscout; BOTH; born;
      book; boobs; boob; boner; bomb; bob; board; blues; blue; blowjob;
      blow; bloodaxe; blood; blondie; blonde; blank; black; bla; bitnet;
      bitmap; bitch; bishop; bird; bios; binary; billy; bill; bigfoot;
      bicameral; bicamera; bible; beverly; betty; betsie; beth; beta; beryl;
      berliner; berlin; berkeley; beowulf; benz; beloved; bell; behead;
      begin; beethoven; beethove; becky; beaver; beauty; beater; beast;
      bear; beammeup; beach; batman; batch; bassoon; bass; basic; baseball;
      bartman; bart; baritone; barf; bare; barber; barbara; banks; bank;
      bandit; bananas; banana; ball; bailey; badass; backup; BACKUP;
      backdoor; bacchus; baby; babe; azure; aztecs; authoriz; attack; atom;
      atmosphere; atmosphe; athena; asshole; asm; asian; asdfgh; asdf; asd;
      artist; arthur; arrow; army; arlene; ariadne; aria; april; apollo13;
      anything; anvils; anthropogenic; anthropo; anthrax; answer; anonymou;
      anon; annette; anne; anna; ann; anita; animals; animal; angie;
      angerine; angela; anfo; andy; andromache; andromac; android; andrea;
      anchor; anarchy; anarchis; analog; anal; amy; amorphous; amorphou;
      america; amber; amanda; amadeus; ama; alphabet; alpha; allow; allison;
      alison; alisa; alicia; alice; aliases; algebra; alf; Alexander;
      alexande; Alex; alex; alert; albert; albatross; albatros; albany;
      alaska; Al3x; airplane; aids; afro; aerobics; adult; adrianna; adrian;
      Administrator; ADMINISTRATOR; administrator; Administrateur;
      Administrador; EdmInistreiter; L'amministratore; oikeusministeri;
      forsterkning; administrada; administrat; admin123; Admin; ADMIN;
      admin; adm; adam; ada; accounts; accounting; account; access; ACCESS;
      accept; academic; academia; abcd; abc123; abc; aaa; 88888888; 654321;
      54321; 2600; 2003; 2002; 123qwe; 123asd; 123abc; 1234qwer; 123467890;
      12346789; 1234678; 123467; 12346; 123456789; 12345678; 1234567;
      123456; 12345; 1234; 123123; 123; 121212; 121; 11111111; 111111; 111;
      110; 0wned; 0wn3d; 007; 00000000; 000000; 00000; 0000; 000; !@; $%^&*;
      !@; $%^&; !@; $%^; !@; $%; !@; $

Exploit:
– NetDevil backdoor (port 903)

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: federa.mine.**********
Port: 3300
Server password: 146751dhzx
Channel: #100+
Nickname: %random character string%
Password: hzx

– This malware has the ability to collect and send information such as:
    • CPU speed
    • Current user
    • Details about drivers
    • Free disk space
    • Free memory
    • Malware uptime
    • Size of memory
    • Username
    • Information about the Windows operating system

– Furthermore it has the ability to perform actions such as:
    • Launch DDoS SYN flood
    • Download file
    • Kill process
    • Start keylog
    • Updates itself

Miscellaneous Mutex:
It creates the following Mutex:
• nobb

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 the following runtime packer:
• MEW

See a brief description here.

Description inserted by Adriana Popa on Wed, 04 Oct 2006 10:27 (GMT+1)
Description updated by Adriana Popa on Wed, 04 Oct 2006 13:09 (GMT+1)

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