Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce] 'wextract_cleanup0' = 'rundll32.exe <SYSTEM32>\advpack.dll,DelNodeRunDLL32 "%TEMP%\IXP000.TMP\"'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\AudioSrv] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%TEMP%\hmqrdwsxpu' a -s%TEMP%\IXP000.TMP\servar.exe
- '%TEMP%\IXP000.TMP\servar.exe'
Searches for windows to
detect analytical utilities:
- ClassName: 'FilemonClass' WindowName: ''
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: 'RegmonClass' WindowName: ''
- ClassName: 'OLLYDBG' WindowName: ''
- ClassName: 'GBDYLLO' WindowName: ''
- ClassName: 'pediy06' WindowName: ''
Modifies file system :
Creates the following files:
- %TEMP%\pqtyxvxhyj.dat
- <SYSTEM32>\51e92691.rdb
- <SYSTEM32>\sawvbuwevw
- %TEMP%\IXP000.TMP\servar.exe
- %TEMP%\hmqrdwsxpu
- %TEMP%\IXP000.TMP\vmvdscjfi
Deletes the following files:
- <SYSTEM32>\sawvbuwevw
- <SYSTEM32>\config\SysEvent.Evt
- %TEMP%\hmq
- <SYSTEM32>\config\SecEvent.Evt
- %TEMP%\IXP000.TMP\servar.exe
- %TEMP%\IXP000.TMP\vmvdscjfi
- <SYSTEM32>\config\AppEvent.Evt
Moves the following files:
- from %TEMP%\pqtyxvxhyj.dat to %ALLUSERSPROFILE%\DRM\%SESSIONNAME%\pwsux.cc3
- from %TEMP%\hmqrdwsxpu to %TEMP%\hmq
Network activity:
Connects to:
- 'sk###t.3322.org':8086
UDP:
- DNS ASK gu##.avg.com
- DNS ASK gt###nt.avg.com
- DNS ASK su####t.eset.com.cn
- DNS ASK up###e.nai.com
- DNS ASK gt###yc.avg.com
- DNS ASK mm#.#xplabs.net
- DNS ASK li########.symantecliveupdate.com
- DNS ASK gt####lf.avg.com
- DNS ASK gt###kg.avg.com
- DNS ASK www.ri###g.com.cn
- DNS ASK z.###ing.com.cn
- DNS ASK ap#.#c120.com
- DNS ASK hd.#uba.net
- DNS ASK rs######ad.rising.com.cn
- DNS ASK rs######to.rising.com.cn
- DNS ASK ka#####ky.fastcdn.com
- DNS ASK ms#####.rising.com.cn
- DNS ASK re#####.rising.com.cn
- DNS ASK ll###.avast.com
- DNS ASK do#######2.kaspersky-labs.com
- DNS ASK 08#####e2.jiangmin.com
- DNS ASK u1.##et.com.cn
- DNS ASK um##.eset.com
- DNS ASK u2.##et.com.cn
- DNS ASK u3.##et.com.cn
- DNS ASK do#######4.kaspersky-labs.com
- DNS ASK do#######3.kaspersky-labs.com
- DNS ASK 08#####e3.jiangmin.com
- DNS ASK rs###.rising.com.cn
- DNS ASK cu###.www.duba.net
- DNS ASK ia#.###ndmicro.com.cn
- DNS ASK dn####.#eo.kaspersky.com
- DNS ASK cs#.#uba.net
- DNS ASK 08#####e1.jiangmin.com
- DNS ASK ex###.eset.com
- DNS ASK do#######1.kaspersky-labs.com
- DNS ASK up#####.jiangmin.com
- DNS ASK qd.###e.qihoo.com
- DNS ASK st##.#60safe.com
- DNS ASK sd###.360.cn
- DNS ASK qd.##de.360.cn
- DNS ASK st####.360safe.com
- DNS ASK tr.#.360.cn
- DNS ASK up####h.360safe.com
- DNS ASK up####.360safe.com
- DNS ASK up#####s.360safe.com
- DNS ASK qu#.#.360.cn
- DNS ASK u.###l.f.360.cn
- DNS ASK co##.f.360.cn
- DNS ASK sk###t.3322.org
- DNS ASK qu##.f.360.cn
- DNS ASK sd##.360.cn
- DNS ASK sd##.qh-lb.com
- DNS ASK qu##.qh-lb.com
- DNS ASK qu#.#h-lb.com
- DNS ASK w.##0.cn
- DNS ASK www.be##e.cn
- DNS ASK vc##.beike.cn
- DNS ASK bo.#uba.net
- DNS ASK f-##.beike.cn
- DNS ASK pu##.#ww.duba.net
- DNS ASK vi.##120.com
- DNS ASK f-####s.duba.net
- DNS ASK www.du##.net
- DNS ASK if#.#uba.net
- DNS ASK dl.##0safe.com
- DNS ASK dl.##-lb.com
- DNS ASK st##.sd.360.cn
- DNS ASK sd#.#60safe.com
- DNS ASK www.36#.cn
- DNS ASK so#####.update.360safe.com
- DNS ASK an#####.db.kingsoft.com
- DNS ASK www.36##afe.com
- DNS ASK so###.##date.360safe.com
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '18467-41' WindowName: ''
- ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
