Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MhrHcrji' = '<LS_APPDATA>\ebaurodr\mhrhcrji.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,<LS_APPDATA>\ebaurodr\mhrhcrji.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\mhrhcrji.exe
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Micorsoft Windows Service] 'ImagePath' = '%TEMP%\tssofofu.sys'
Malicious functions:
Injects code into
the following system processes:
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtOpenKey, handler: tssofofu.sys
- NtCreateKey, handler: tssofofu.sys
Modifies file system:
Creates the following files:
- %TEMP%\tssofofu.sys
- %WINDIR%\Temp\6decd52f
- %WINDIR%\Temp\7fffffb1
- %TEMP%\empchqloliakgweu.exe
- <LS_APPDATA>\niuydqre.log
- <LS_APPDATA>\ebaurodr\mhrhcrji.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\mhrhcrji.exe
Deletes the following files:
- %TEMP%\tssofofu.sys
Network activity:
Connects to:
- 'oa###apl.com':443
- 'vl#####uppipkrvbsdy.com':443
- 'ou####cnuiudw.com':443
- 'ih###anyker.com':443
- '74.##5.232.51':80
- 'ca####fullezz.com':443
- 'an####xpukbfmh.com':443
UDP:
- DNS ASK xs###bpaef.com
- DNS ASK km###odog.com
- DNS ASK mj####vuruldy.com
- DNS ASK yk####bqxbvmns.com
- DNS ASK fx####eygtffbkv.com
- DNS ASK dy#####esippbsjb.com
- DNS ASK cq####ukplhlfdo.com
- DNS ASK ou#####dnvxhrtxvuqr.com
- DNS ASK pd####jwrqsq.com
- DNS ASK ox#####pfnkvdprbr.com
- DNS ASK kj#####qiwvfnuvvtkd.com
- DNS ASK ud###iovrov.com
- DNS ASK rt#####itmadupgl.com
- DNS ASK bl#####tropiwymr.com
- DNS ASK ra###prhwwm.com
- DNS ASK vm###benh.com
- DNS ASK tv###utxo.com
- DNS ASK ha#####kaigcdslnrlr.com
- DNS ASK ex####manfaydv.com
- DNS ASK eg####guclkoi.com
- DNS ASK ti###jsce.com
- DNS ASK dl#####niphnmxnvoeo.com
- DNS ASK oj#####hbddmbfac.com
- DNS ASK rs###fgpgw.com
- DNS ASK rk####nrgvpkgmc.com
- DNS ASK sn####xygwcpifp.com
- DNS ASK bing.com
- DNS ASK oh###viumie.com
- DNS ASK mc#####ndpadclga.com
- DNS ASK mg####pybfts.com
- DNS ASK nb#####tghtmsydrfq.com
- DNS ASK jx###fwh.com
- DNS ASK ar###oeeasi.com
- DNS ASK hg###jdad.com
- DNS ASK yi####rtyoxaiu.com
- DNS ASK wx#####isqbmppqss.com
- DNS ASK gq#####nntccmawclmq.com
- DNS ASK qf###lxp.com
- DNS ASK qd#####ovjlfegdcepm.com
- DNS ASK fs###tmti.com
- DNS ASK gk#####gjcauehgdjn.com
- DNS ASK jk#####lfhcwqkmai.com
- DNS ASK he####giddyamqq.com
- DNS ASK cp#####gpibatpmswq.com
- DNS ASK ms#####vylmullkqh.com
- DNS ASK an####xpukbfmh.com
- DNS ASK ih###anyker.com
- DNS ASK google.com
- DNS ASK ca####fullezz.com
- DNS ASK ou####cnuiudw.com
- DNS ASK vx####rqkihafv.com
- DNS ASK oa###apl.com
- DNS ASK vl#####uppipkrvbsdy.com
- DNS ASK fi#####hserhycexjhf.com
- DNS ASK pv###rybufe.com
- DNS ASK um#####mvsuiscitx.com
- DNS ASK ma####tqkpuban.com
- DNS ASK by####odqfdx.com
- DNS ASK pp#####wnvtggifhbv.com
- DNS ASK hh#####rcvdrwpdvsck.com
- DNS ASK ed#####jcxyjqnjjodh.com
- DNS ASK kq#####gdtjxxcrvl.com
- DNS ASK aw#####qcherasntmin.com
- DNS ASK se#####yopjhyhuw.com
- DNS ASK hx####dwbevww.com
- DNS ASK vy####jnshtry.com
- DNS ASK wg#####emnvhdrai.com
- DNS ASK pr###jpwvrl.com
- DNS ASK ux#####vfnqcrfcf.com
- DNS ASK sl#####nkjenhwgpjl.com
- DNS ASK je###prgph.com
Miscellaneous:
Creates and executes the following:
- '%TEMP%\empchqloliakgweu.exe'
Executes the following:
- '<SYSTEM32>\svchost.exe'