Technical Information
To ensure autorun and distribution
Creates the following services
- [<HKLM>\System\CurrentControlSet\Services\lnlxxrzd] 'Start' = '00000002'
- [<HKLM>\System\CurrentControlSet\Services\lnlxxrzd] 'ImagePath' = '<SYSTEM32>\lnlxxrzd\acxofzgz.exe /d"<Full path to file>"'
- [<HKLM>\SYSTEM\CurrentControlSet\services\lnlxxrzd] 'ImagePath' = '<SYSTEM32>\lnlxxrzd\acxofzgz.exe'
Malicious functions
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system
Creates the following files
- %TEMP%\acxofzgz.exe
- C:\documents and settings\localservice:.repos
Moves the following files
- from %TEMP%\acxofzgz.exe to <SYSTEM32>\lnlxxrzd\acxofzgz.exe
Deletes itself.
Network activity
Connects to
- 'mi##########m.mail.protection.outlook.com':25
- 'alt2.gmail-smtp-in.l.google.com':25
- 'ma##.genam.com':25
- 'mx######b2d01.pphosted.com':25
- 'mx#######b01.gslb.pphosted.com':25
- 'ma##.parking.se':25
- 'mx#.#i-net.com':25
- 'alt1.gmail-smtp-in.l.google.com':25
- 'mx######9ad02.pphosted.com':25
- 'localhost':25
- 'mx#.#aver.com':25
- 'mt##.##0.yahoodns.net':25
- 'alt4.gmail-smtp-in.l.google.com':25
- 'alt3.gmail-smtp-in.l.google.com':25
- 'mx#.#otmail.com':25
- '14#.#6.108.92':481
- '43.#31.4.7':443
- 'in#######relays.illinois.edu':25
- 'ad#####mx401.alcoa.com':25
UDP
- DNS ASK mi##########m.mail.protection.outlook.com
- DNS ASK mx#.#i-net.com
- DNS ASK alt1.gmail-smtp-in.l.google.com
- DNS ASK em###.mullsjo.se
- DNS ASK ca##lee.com
- DNS ASK mx#######b01.gslb.pphosted.com
- DNS ASK ch##lo.se
- DNS ASK ma##.parking.se
- DNS ASK mx######b2d01.pphosted.com
- DNS ASK al##a.com
- DNS ASK ge##m.com
- DNS ASK ma##.genam.com
- DNS ASK ya##o.com
- DNS ASK alt2.gmail-smtp-in.l.google.com
- DNS ASK ym##l.com
- DNS ASK ah.##vartis.com
- DNS ASK mx######9ad02.pphosted.com
- DNS ASK ji##et.com
- DNS ASK in.#bm.com
- DNS ASK sk#f.se
- DNS ASK mt##.##0.yahoodns.net
- DNS ASK 19#.###.211.95.in-addr.arpa
- DNS ASK 19#.###.#11.95.dnsbl.sorbs.net
- DNS ASK 19#.###.#11.95.bl.spamcop.net
- DNS ASK mx#.#otmail.com
- DNS ASK na##r.com
- DNS ASK alt3.gmail-smtp-in.l.google.com
- DNS ASK qc###uting.com
- DNS ASK ad#####mx401.alcoa.com
- DNS ASK in#######relays.illinois.edu
- DNS ASK mx#.#aver.com
- DNS ASK ch####cidirect.com
- DNS ASK 19#.###.##1.95.sbl-xbl.spamhaus.org
- DNS ASK 19#.###.#11.95.cbl.abuseat.org
- DNS ASK ud####llataxi.se
- DNS ASK il###ois.edu
- DNS ASK 19#.###.#11.95.zen.spamhaus.org
- DNS ASK alt4.gmail-smtp-in.l.google.com
- '<DNS_SERVER>':53
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\lnlxxrzd\acxofzgz.exe' /d"<Full path to file>"
- '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\lnlxxrzd\' (with hidden window)
- '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\acxofzgz.exe" <SYSTEM32>\lnlxxrzd\' (with hidden window)
- '<SYSTEM32>\sc.exe' create lnlxxrzd binPath= "<SYSTEM32>\lnlxxrzd\acxofzgz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
- '<SYSTEM32>\sc.exe' description lnlxxrzd "wifi internet conection"' (with hidden window)
- '<SYSTEM32>\sc.exe' start lnlxxrzd' (with hidden window)
Executes the following
- '<SYSTEM32>\cmd.exe' /C mkdir <SYSTEM32>\lnlxxrzd\
- '<SYSTEM32>\cmd.exe' /C move /Y "%TEMP%\acxofzgz.exe" <SYSTEM32>\lnlxxrzd\
- '<SYSTEM32>\sc.exe' create lnlxxrzd binPath= "<SYSTEM32>\lnlxxrzd\acxofzgz.exe /d\"<Full path to file>\"" type= own start= auto DisplayName= "wifi support"
- '<SYSTEM32>\sc.exe' description lnlxxrzd "wifi internet conection"
- '<SYSTEM32>\sc.exe' start lnlxxrzd
- '<SYSTEM32>\svchost.exe'
