Virus: WORM/Koobface.J Date discovered: 21/10/2010 Type: Worm In the wild: Yes Reported Infections: Low Distribution Potential: Low Damage Potential: Low to medium Static file: Yes File size: 331.776 Bytes MD5 checksum: 77be30318b2cdcb8c9708ba1ef04f5c0 VDF version: 7.10.05.230 IVDF version: 7.10.13.15 - Thursday, October 21, 2010
General Method of propagation: • No own spreading routine Aliases: • Kaspersky: Net-Worm.Win32.Koobface.hdz • F-Secure: Net-Worm.Win32.Koobface.hdz • Microsoft: Trojan:Win32/Koobface • Eset: Win32/Koobface.NDI Platforms / OS: • Windows 2000 • Windows XP • Windows Vista • Windows 7 Side effects: • Disable security applications • Downloads a malicious file • Registry modification Files It copies itself to the following location: • %WINDIR% \andy138.exe The following files are created: – Non malicious files: • %WINDIR% \fdgg34353edfgdfdf • %WINDIR% \bk23567.dat – C:\3.reg Detected as: TR/REG.Koobface.89 Registry The following registry key is added in order to run the process after reboot: – [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] • "xuri49tkd"="%WINDIR% \andy138.exe" The values of the following registry key are removed: – [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] • "syspptray"=- • "sysfbtray"=- The following registry keys are added: – [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender] • "DisableAntiSpyware"=dword:00000001 – [HKCR\Mime\Database\Content Type\application/xhtml+xml] • "CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}" • "Extension"=".xml" • "Encoding"=hex:08,00,00,00 Backdoor Contact server: All of the following: • 195.28.**********?action=fbgen&v=136&crc=669 • 76.12.**********?action=fbgen&v=136&crc=669 • 782cockta**********?action=fbgen&v=136&crc=669 • 99**********?action=fbgen&v=136&crc=669 • alimt**********?action=fbgen&v=136&crc=669 • bigcoun**********?action=fbgen&v=136&crc=669 • bizz**********?action=fbgen&v=136&crc=669 • bmt**********?action=fbgen&v=136&crc=669 • boxer**********?action=fbgen&v=136&crc=669 • braitm**********?action=fbgen&v=136&crc=669 • cedele**********?action=fbgen&v=136&crc=669 • cfscons**********?action=fbgen&v=136&crc=669 • christm**********?action=fbgen&v=136&crc=669 • clarksh**********?action=fbgen&v=136&crc=669 • counter.xtsd20**********?action=fbgen&v=136&crc=669 • dancin**********?action=fbgen&v=136&crc=669 • dip-a-d**********?action=fbgen&v=136&crc=669 • djmu**********?action=fbgen&v=136&crc=669 • draco-il**********?action=fbgen&v=136&crc=669 • dreamch**********?action=fbgen&v=136&crc=669 • ebesu**********?action=fbgen&v=136&crc=669 • elect**********?action=fbgen&v=136&crc=669 • emse**********?action=fbgen&v=136&crc=669 • entertainme**********?action=fbgen&v=136&crc=669 • eurobaustoff.marke**********?action=fbgen&v=136&crc=669 • foods**********?action=fbgen&v=136&crc=669 • frankne**********?action=fbgen&v=136&crc=669 • godsho**********?action=fbgen&v=136&crc=669 • gross**********?action=fbgen&v=136&crc=669 • grupoc**********?action=fbgen&v=136&crc=669 • hills**********?action=fbgen&v=136&crc=669 • igles**********?action=fbgen&v=136&crc=669 • indiana**********?action=fbgen&v=136&crc=669 • infor**********?action=fbgen&v=136&crc=669 • jugen**********?action=fbgen&v=136&crc=669 • kerten**********?action=fbgen&v=136&crc=669 • ledtlon**********?action=fbgen&v=136&crc=669 • lene.aa**********?action=fbgen&v=136&crc=669 • lifec**********?action=fbgen&v=136&crc=669 • losek**********?action=fbgen&v=136&crc=669 • mahjo**********?action=fbgen&v=136&crc=669 • marios**********?action=fbgen&v=136&crc=669 • mgmmdi**********?action=fbgen&v=136&crc=669 • mswcon**********?action=fbgen&v=136&crc=669 • my3boys.hittin**********?action=fbgen&v=136&crc=669 • ottoma**********?action=fbgen&v=136&crc=669 • pngse**********?action=fbgen&v=136&crc=669 • polis**********?action=fbgen&v=136&crc=669 • prostr**********?action=fbgen&v=136&crc=669 • pvpont**********?action=fbgen&v=136&crc=669 • raur**********?action=fbgen&v=136&crc=669 • rdsch**********?action=fbgen&v=136&crc=669 • rememberwhenohio.netf**********?action=fbgen&v=136&crc=669 • renog**********?action=fbgen&v=136&crc=669 • rentsa**********?action=fbgen&v=136&crc=669 • s172760532.onl**********?action=fbgen&v=136&crc=669 • s220405294.onlin**********?action=fbgen&v=136&crc=669 • scambus**********?action=fbgen&v=136&crc=669 • shann**********?action=fbgen&v=136&crc=669 • silkroa**********?action=fbgen&v=136&crc=669 • stellar**********?action=fbgen&v=136&crc=669 • swimandscuba.netf**********?action=fbgen&v=136&crc=669 • thecon**********?action=fbgen&v=136&crc=669 • tommie**********?action=fbgen&v=136&crc=669 • usedca**********?action=fbgen&v=136&crc=669 • webster**********?action=fbgen&v=136&crc=669 • welov**********?action=fbgen&v=136&crc=669 • www.agap**********?action=fbgen&v=136&crc=669 • www.aic**********?action=fbgen&v=136&crc=669 • www.associaz**********?action=fbgen&v=136&crc=669 • www.bastak**********?action=fbgen&v=136&crc=669 • www.beauti**********?action=fbgen&v=136&crc=669 • www.cayge**********?action=fbgen&v=136&crc=669 • www.cheryl**********?action=fbgen&v=136&crc=669 • www.edilt**********?action=fbgen&v=136&crc=669 • www.heran**********?action=fbgen&v=136&crc=669 • www.ilterrazzo**********?action=fbgen&v=136&crc=669 • www.its-**********?action=fbgen&v=136&crc=669 • www.limen**********?action=fbgen&v=136&crc=669 • www.musi**********?action=fbgen&v=136&crc=669 • www.oneonon**********?action=fbgen&v=136&crc=669 • www.ricksmusi**********?action=fbgen&v=136&crc=669 • www.sevenpi**********?action=fbgen&v=136&crc=669 • www.suzann**********?action=fbgen&v=136&crc=669 • www.tcab**********?action=fbgen&v=136&crc=669 • www.vinfinit**********?action=fbgen&v=136&crc=669 • xrysan**********?action=fbgen&v=136&crc=669 • yanisl**********?action=fbgen&v=136&crc=669 • yasary**********?action=fbgen&v=136&crc=669 This is done via the HTTP POST method using a PHP script. Remote control capabilities: • Download file Miscellaneous Checks for an internet connection by contacting the following web site: • www.google.com
Descripción insertada por Mihai Dilimot el viernes, 1 de abril de 2011 Descripción actualizada por Mihai Dilimot el viernes, 1 de abril de 2011
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