Submission Summary:

What's been foundSeverity Level
A network-aware worm that uses known exploit(s) in order to replicate across vulnerable networks.
MS04-012: DCOM RPC Overflow exploit - replication across TCP 135/139/445/593 (common for Blaster, Welchia, Spybot, Randex, other IRC Bots).
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A network-aware worm that attempts to replicate across the existing network(s)

 

File System Modifications

#Filename(s)File SizeFile Hash
1 c:\Inetpub\wwwroot\kkvwbsrw.exe 122,368 bytes MD5: 0xDDA4B9D1CCDB62267DA666ACCD6C65DE
SHA-1: 0x544111336FBFD8F1C291B926DC8D7BBFD74C5616
2 [pathname with a string SHARE]\bcwvzwbh.exe 122,368 bytes MD5: 0x8C8E70F5E937CFF085B2708D937A6884
SHA-1: 0xB0852F72AB785B0E4813A1E963830508A403B1A9
3 [pathname with a string SHARE]\bhrhnkht.exe 122,368 bytes MD5: 0xD5201C6A1C7FF5AA454429883F60D2EE
SHA-1: 0x29F7342C7FF37F4E69890F8009C1E4FE039F3750
4 [pathname with a string SHARE]\bnbtzwxt.exe 122,368 bytes MD5: 0x8C15FC7B53886C1CDB66AA3A65F72665
SHA-1: 0xD894981D1C459CAEE6A4B2F6EFB930253EB0BD48
5 [pathname with a string SHARE]\brvrjrke.exe 122,368 bytes MD5: 0x62BE9D95E4CD8FACEDE63953D86986E9
SHA-1: 0xC0D6EB01275CD640A80B1711D1DD61198E8D0333
6 [pathname with a string SHARE]\bzqlkhrh.exe 122,368 bytes MD5: 0x1BE00D70A8A5A5C732399C9F2BDACA51
SHA-1: 0x48831E4A8BF0CEC8D13140386041D23589648112
7 [pathname with a string SHARE]\czjevcet.exe 122,368 bytes MD5: 0xAA710D1122852E426A00939439C23946
SHA-1: 0x0C1ED4FF21BF09678F6057E6BB41C73F35B26770
8 [pathname with a string SHARE]\ehbebsrn.exe 122,368 bytes MD5: 0x4BF609ABF27786E704469513BFE5A308
SHA-1: 0xAFB836005831032B6D45F0B52DE2B46C4741BF8D
9 [pathname with a string SHARE]\elwtjnbj.exe 122,368 bytes MD5: 0x75384B73341A587178954364AAA45664
SHA-1: 0x05F57F6F691AC5E0837093C527B5706465720C9F
10 [pathname with a string SHARE]\njbsvtll.exe 122,368 bytes MD5: 0xEF95211648E8023F6F926180FCC71CF7
SHA-1: 0x09C26E5046884F89652D02B818B8F35082EEF86A
11 [pathname with a string SHARE]\nsqjttkv.exe 122,368 bytes MD5: 0x3ECB44BB6D42BE70B648AA92CA136F74
SHA-1: 0x981247DCFBBB9D43206FD18A42624F3C196C5242
12 [pathname with a string SHARE]\qjllsjhl.exe 122,368 bytes MD5: 0xA630096E9207CAE7AD918502064C9653
SHA-1: 0x7EB9A28C15F1152284A73478C5B7C3C42C07AE6C
13 [pathname with a string SHARE]\tlcwjrwt.exe 122,368 bytes MD5: 0xB259E1B0FFA0AF42506A1CE9599F9711
SHA-1: 0x00CD1998E16C137F159B374690F20B70AF0FB76F
14 [pathname with a string SHARE]\vkjljzrn.exe 122,368 bytes MD5: 0x63DA6A612BF074F419E0ECA7BF7646F9
SHA-1: 0x58B7F9B03675A51022AB67C2552DFFF5F90639DA
15 [pathname with a string SHARE]\xrljqjzn.exe 122,368 bytes MD5: 0xEFEFAA8AAEC59E6937B6AC5E42CBA76D
SHA-1: 0xDCB864327398EFCCF280431F529C911514E8B7E1
16 %ProgramFiles%\Common Files\System\ado\tsektjkj.exe 122,368 bytes MD5: 0xB7735199E31F1C8C82B3B406BB0DCAB8
SHA-1: 0x883E1191F9B6CFD7076A480A21992A2D3E2F7AB2
17 %ProgramFiles%\NetMeeting\rsewzjqn.exe 122,368 bytes MD5: 0x5DD314AA4DC1E871166CF2D4DC9AEA61
SHA-1: 0xBF950E74512B79860F90139BDBCBD7F8A1EDD93B
18 c:\tvsknrse.exe 122,368 bytes MD5: 0xBC3418C49F317798DC3E5EAA39C3F219
SHA-1: 0xC685E3AD8207FD52426BEF2A92B4130BA4BA5C51
19 %Windir%\pchealth\helpctr\System\CompatCtr\hrtbebze.exe 122,368 bytes MD5: 0x8C0BFC0512AE0EC8DFA65BDC3FAC4F85
SHA-1: 0xE1B7846EF344E0DF183BC3134FB16679CCC2A89A
20 %Windir%\pchealth\helpctr\System\CompatCtr\jbnxjtkn.exe 122,368 bytes MD5: 0x9AA5B9EE5A4433ABF6DCBDC2813F5FEF
SHA-1: 0xB954203A42E00381E1B74244D330C61063BB432D
21 %Windir%\pchealth\helpctr\System\CompatCtr\tnslrrhk.exe 122,368 bytes MD5: 0xB9B6111B53D5D3D4C91E21F95A569824
SHA-1: 0xE9D0C09BB4993CF67859D5CD347EF1C6CB0A08DE
22 %Windir%\pchealth\helpctr\System\CompatCtr\zlhqrlbx.exe 122,368 bytes MD5: 0xB805527063AE5EB62B33287B0E2976CD
SHA-1: 0x85AC0A8CE15F08202AA947B2C3AD5DABD06CAA72
23 %Windir%\pchealth\helpctr\System\DVDUpgrd\shrrtjet.exe 122,368 bytes MD5: 0xA990D8CAA8DB567FFE96A8B02247BBEE
SHA-1: 0x0FCEE47867601F28699AC6BC75AFD629F5EB4B72
24 %Windir%\pchealth\helpctr\System\ErrMsg\vlvxqrek.exe 122,368 bytes MD5: 0x9B0DC8D9588AA555C67046D89E26FF61
SHA-1: 0x14B225D74A3D10C70D3AC2E4D653D9621D111864
25 %Windir%\pchealth\helpctr\System\errors\jcjjlqnq.exe 122,368 bytes MD5: 0x169E56E7226E85EA85FE1E17A0A8C446
SHA-1: 0x3F96E90ADAA669334D111B8DB7E73E946473B3D4
26 %Windir%\pchealth\helpctr\System\NetDiag\hsjqschn.exe 122,368 bytes MD5: 0xDFA41D84CCAA08B36E31F892B2EE1067
SHA-1: 0xEFB0C19C595A52AA78E5D9877A09F7C0776C2FB6
27 %Windir%\pchealth\helpctr\System\NetDiag\xrvxszvs.exe 122,368 bytes MD5: 0x26296E438119C81759594AFE3CE8613A
SHA-1: 0x47D672452F09B511A2C40ABC129C286204830CBB
28 %Windir%\pchealth\helpctr\System\panels\nntlskwn.exe 122,368 bytes MD5: 0xC997FA13E3DF1707D12EAFB35F04CE23
SHA-1: 0x318E3D25E0B412E66E6C9460D8E7C0FADF4A2FD7
29 %Windir%\pchealth\helpctr\System\panels\sncncweb.exe 122,368 bytes MD5: 0x5B3F0B69B9C77A52ED50E64C4DC935B8
SHA-1: 0x031572236EB6A380EEC96C19F3D5388F47A74609
30 %Windir%\pchealth\helpctr\System\rc\qbrblthb.exe 122,368 bytes MD5: 0x78A0EB0EB7EAD864F9A519E36FA7BC65
SHA-1: 0x8FB864D907A1D83B62A861EE6464D7695053332B
31 %Windir%\pchealth\helpctr\System\Remote Assistance\Common\hxrshqsj.exe 122,368 bytes MD5: 0xCA98CA80B55FBF9AFE8EA2FDAB26154C
SHA-1: 0x7EA1F8FE0F8ED260669BA9944E0FC8C834620763
32 %Windir%\pchealth\helpctr\System\Remote Assistance\Common\rwcjrqhw.exe 122,368 bytes MD5: 0x5167E81796457FDB8F3E6197A0E36288
SHA-1: 0x977785EDD6F423818B05269EBDAD4DE63B753512
33 %Windir%\pchealth\helpctr\System\Remote Assistance\Common\seshhtth.exe 122,368 bytes MD5: 0x8E691826AEC9C33B18E2C22C53BC4FF1
SHA-1: 0xEF00FE384392F0145E118534A9282994BAF3A04E
34 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\ekjvhbcn.exe 122,368 bytes MD5: 0x5D7071B7ECCA4F1203EE825049B30274
SHA-1: 0x1ECB2FF29756D8C902BB5699E7DE546A7E5D733C
35 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\jjennetl.exe 122,368 bytes MD5: 0x8E49E565D42770D84684EB3789A770A0
SHA-1: 0xAF4078394F77D80AF06F129189FA76DB5CF5B520
36 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\knenvxlj.exe 122,368 bytes MD5: 0x5FE3CA31DB34FA501AE7BC581BA97C6B
SHA-1: 0x262CD06B53167F3D0450BA7E6366D8B711E9A190
37 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\ttzvrbzr.exe 122,368 bytes MD5: 0x5D43B7B5AB27332DCB470AD100759FB7
SHA-1: 0x282BDEAE9D44385CFF9B585AEE340BD52F7FA454
38 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\wbjbjelb.exe 122,368 bytes MD5: 0xA3DBF61A3F354710DE24A405B93B6431
SHA-1: 0xDCF83A1233F315DD0D294CE25E333F0595754D76
39 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Client\zqwkjbbt.exe 122,368 bytes MD5: 0xCA65E92BD1D77D00E06EB3667E318417
SHA-1: 0x56333359BE4AB12996CB8370FB1162995CEB1A08
40 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Common\bbsbrlee.exe 122,368 bytes MD5: 0x51BD8084E71C5BBB072935E36F239428
SHA-1: 0xF8E96E0AC51AE5A5E59BCE1D8A480F186ECD3162
41 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Common\kbzzlwlr.exe 122,368 bytes MD5: 0x662BA85B3750594C0FD2F06C4A672A6D
SHA-1: 0xC36E8E16AEE120E8946ED0C953EFF6487F73A7C0
42 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Common\rbntkevt.exe 122,368 bytes MD5: 0xAC030EF8BFE638C59E4BED30492DDB26
SHA-1: 0x3FE2E65FCACC0F9BBA859008EB2FCB6E300CC59B
43 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Common\shnkjjbh.exe 122,368 bytes MD5: 0xD7A34FDA5E996D391404D46D3B4211BB
SHA-1: 0x54A0291EC5A33C081997E109710237530913D96B
44 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Server\ccthwjlr.exe 122,368 bytes MD5: 0xAC80943A2E2826CC340B06CD9A0DB744
SHA-1: 0x8D70FE588933ADC8CB045CE8B211D9E01438A137
45 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Server\ctjxljxh.exe 122,368 bytes MD5: 0xB2C31CDDA1785C9674810A9C5184EF36
SHA-1: 0xDA7CDBEFFEF11BEBB3DC41C7ECED4C9BEA5F9386
46 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Server\ezslqrbz.exe 122,368 bytes MD5: 0xE79A18019A1F69332D1E6902D262C99F
SHA-1: 0xBD1E6E4A0298179C03A2578083E5E2198D4DC877
47 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Server\neqvzkeh.exe 122,368 bytes MD5: 0x9C113D9F8F661FB82D796A9E5C912BEA
SHA-1: 0xC3232BB8AF9A2CD4E010F3B002C4B477985EAF76
48 %Windir%\pchealth\helpctr\System\Remote Assistance\Interaction\Server\shrnxshq.exe 122,368 bytes MD5: 0x25EED628ABAA7DAC341EEF39E6371F92
SHA-1: 0x9C7268E95384EA64F4DF923DCA2ACE21FC21EBC0
49 %Windir%\pchealth\helpctr\System\Remote Assistance\rqxjhbsl.exe 122,368 bytes MD5: 0xA41FA2292E8EEB6859B7BA5B4E9A407F
SHA-1: 0xABF5DDA88414F13431D8F2459512E928D000B62A
50 %Windir%\pchealth\helpctr\System\Remote Assistance\rzqstbqq.exe 122,368 bytes MD5: 0xD2D9FB30558CE7E0204711571307C287
SHA-1: 0x868F2D6373557411C98B54B52A3BE0FD5C3A0550
51 %Windir%\pchealth\helpctr\System\Remote Assistance\wesnhzec.exe 122,368 bytes MD5: 0x492C59A50174ED5D0C3A4BEA5197FEAA
SHA-1: 0x254492980DD89CF5775A9A3ACF7E75581A2DBAAF
52 %Windir%\pchealth\helpctr\System\sysinfo\bjlkjrls.exe 122,368 bytes MD5: 0xA9894D800259C13A407D364906F8349E
SHA-1: 0xF42E77C4FF85E76620CB336B891A666631DC9E79
53 %Windir%\pchealth\helpctr\System\sysinfo\cntbrbzr.exe 122,368 bytes MD5: 0x92864D94F4A75B0E83BCA3B4846B03E9
SHA-1: 0x44289BA50A496A9F463535F32836F6260F5DFE13
54 %Windir%\pchealth\helpctr\System\sysinfo\jbrhbztz.exe 122,368 bytes MD5: 0x183059F7C6B5883E20617FF0E3EE6FE3
SHA-1: 0x74F0E682A97A376499D102CF2BD625E66E0C468D
55 %Windir%\pchealth\helpctr\System\sysinfo\jrtqcssx.exe 122,368 bytes MD5: 0x04CEC99A7FADD14C89CBC99D1F831A7A
SHA-1: 0x74FE5E6C66D18B4E0F8465FD292C928876C0B30F
56 %Windir%\pchealth\helpctr\System\sysinfo\rbcjjwqr.exe 122,368 bytes MD5: 0xCF6CDAE60B4B339FC6498F961B0A631D
SHA-1: 0x65B54E34218135FC2654A5247CBB6B93AD8EE65D
57 %Windir%\pchealth\helpctr\System\sysinfo\rercrnhh.exe 122,368 bytes MD5: 0xEEBE891E03E0A94ABEE0E7B81611BA03
SHA-1: 0xB6FA5CC020D86A1ACF729B93C078329E62245983
58 %Windir%\pchealth\helpctr\System\sysinfo\rnbrkrlv.exe 122,368 bytes MD5: 0xCE30D93C2662DB4BD5BAC7A3E5AE9F7E
SHA-1: 0xE1C5CD78231E199D77C21CCEA2C4BACA01F862BE
59 %Windir%\pchealth\helpctr\System\sysinfo\vkchbbxh.exe 122,368 bytes MD5: 0x5D80ADEE3C7AF8F9C604BEBE68BB474E
SHA-1: 0xE5A6031B02728A7A2DB074DDF9562C7F4918F9A4
60 %Windir%\pchealth\helpctr\System\UpdateCtr\lwklbvze.exe 122,368 bytes MD5: 0xBBCE617DACFD29B96A6FB7536B923072
SHA-1: 0x1308BED887FC98F963EA3A15E2C6D6C3E1520F38
61 %Windir%\pchealth\helpctr\System\UpdateCtr\qxshkkqn.exe 122,368 bytes MD5: 0xBDD0C82557939998D575729238208C39
SHA-1: 0x1AE22F3031BBAAF26ABDAB5DC4AADDADE0CDA902
62 %Windir%\pchealth\helpctr\System\UpdateCtr\rrbvcsbb.exe 122,368 bytes MD5: 0x4670CD27B130DA70F800D9A783B6DA95
SHA-1: 0x6391197D409F70F5D5C85CD2B5FA6B8B40DB5B6B
63 %Windir%\pchealth\helpctr\System\UpdateCtr\snqesjrk.exe 122,368 bytes MD5: 0x774C73A74D046B959EDB6C12A85050E0
SHA-1: 0xAC0B431418AF8AE1E53119F6B64F7B4F72E047CF
64 %Windir%\pchealth\helpctr\System\UpdateCtr\trkhkjxz.exe 122,368 bytes MD5: 0x5A871D1CD006A3A0CEC8E693B4EA498D
SHA-1: 0xA77038927E541B366E16D426B0918B981EB93A39
65 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\erwskeqr.exe 122,368 bytes MD5: 0xDCE14481DB81F78BCB3472777767CFF4
SHA-1: 0xD586EA2133E9721B77D7589C1F9017E310463E54
66 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\kkrtrbns.exe 122,368 bytes MD5: 0xC8DF24CCEC9EC8869B1BDEC370B8FD6F
SHA-1: 0x2B1DA0B0F406D2F2B491C6BB70DC8A26B8B966AA
67 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\Remote Assistance\Common\vxwqhwzs.exe 122,368 bytes MD5: 0xCD50622B1EF955A4780217AE5D0A2CCD
SHA-1: 0xAA00AA8BA8E4F8820E00F004C072F6F606E34623
68 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\Remote Assistance\Escalation\Common\vxwqhwzs.exe 122,368 bytes MD5: 0xF5D767CB80C4072A2C2E6324C141D46B
SHA-1: 0x1AC07B585818FAF581E96532D3AC05082C8AE32A
69 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\Remote Assistance\Escalation\Email\vxwqhwzs.exe 122,368 bytes MD5: 0x27D3345279CE0DF75F911E03479F673B
SHA-1: 0xD760F316760E3B2F821061510EB53A24C4A4925B
70 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\Remote Assistance\vxwqhwzs.exe 122,368 bytes MD5: 0xDBFFBDBBF55AE090D312B9CC542F6F44
SHA-1: 0x3091FEBF3FB66F6F14E4EF3621DDE39B232AF74A
71 %Windir%\pchealth\helpctr\Vendors\CN=Microsoft Corporation,L=Redmond,S=Washington,C=US\vsekkehe.exe 122,368 bytes MD5: 0x1284F93FBC4592E1146E10DF02D36AF2
SHA-1: 0xC185396C29F3E7142BCAA6D3830C1BC52AF701E7
72 [file and pathname of the sample #1] 122,368 bytes MD5: 0x94FB81C162C71F397C6BC9E3DC082843
SHA-1: 0xE4039CB3866EE0FE9375BB9CD103DF8B64DEB8EB
73 %System%\urdvxc.exe 122,368 bytes MD5: 0xF2076B56A82B60569F57D8546833B36A
SHA-1: 0xF14878C81B8F678F4539A052DF9F59481C37E6F7
74 %Windir%\Web\wcxnjhhj.exe 122,368 bytes MD5: 0x2EA4FA1C62E4CCDBEAC47F1674FA8875
SHA-1: 0xA23EF9275BC49603AE8506FC88CA8E5ACA5D99DF

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]214,594 bytes

Service NameDisplay NameStatusService Filename
MSWindowsNetwork Windows Service"Stopped""%System%\urdvxc.exe" /service

 

Registry Modifications

 

Other details

 

 

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