Adware.Gexin.9525

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.b####.qq.com:8012
TCP(HTTP/1.1) analy####.ha####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) inter####.api.ha####.net:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
UDP(NTP) 1.cn.p####.####.org:123
UDP(NTP) 0.a####.p####.####.org:123
TCP(TLS/1.0) pws.tongf####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) analy####.ha####.com:443

DNS requests:

0.a####.p####.####.org
1.cn.p####.####.org
a####.b####.qq.com
aexcep####.b####.qq.com
analy####.ha####.com
and####.b####.qq.com
av1.x####.com
c####.x####.com
i.t####.com
inter####.api.ha####.net
loc.map.b####.com
log.u####.com
plb####.u####.com
pws.tongf####.com
u####.u####.com
xd####.ha####.net

HTTP GET requests:

analy####.ha####.com/bapi/GetOptions/get_options_list?os_type=####&appid...
inter####.api.ha####.net//capi/city/getCityFromGeocoding?longitude=####&...
inter####.api.ha####.net/bapi/Advert/getGuideAds
inter####.api.ha####.net/bapi/GetOptions/get_options_list?os_type=####&a...
inter####.api.ha####.net/bapi/Sys/getBapiGlobal
inter####.api.ha####.net/capi/sys/get_config_v3
inter####.api.ha####.net/home/sys/register_device?app_v=####&os_type=###...

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
a####.b####.qq.com:8012/rqd/async
analy####.ha####.com/Bapi/TaoUser/getCityList?os_type=####&appid=####&im...
analy####.ha####.com/Mycenter/appversion?os_type=####&appid=####&imei=##...
analy####.ha####.com/home/Burialpoint/setlistburial?os_type=####&appid=#...
and####.b####.qq.com/rqd/async
inter####.api.ha####.net/Bapi/TaoUser/getCityList?os_type=####&appid=###...
inter####.api.ha####.net/home/Burialpoint/setlistburial?os_type=####&app...
loc.map.b####.com/offline_loc
loc.map.b####.com/sdk.php

File system changes:

Creates the following files:

/data/data/####/-1227218639-1639601383
/data/data/####/-2068464529-1654069526
/data/data/####/.imprint
/data/data/####/1232241157-782187535
/data/data/####/1551664512362_2283
/data/data/####/1551664512572_2283
/data/data/####/1551664513005_2283
/data/data/####/1551664513638_2283
/data/data/####/1551664514137_2283
/data/data/####/1551664515141_2283
/data/data/####/1551664515282_2283
/data/data/####/1551664523458_2635
/data/data/####/1551664523807_2635
/data/data/####/1551664533255_2825
/data/data/####/1551664533539_2825
/data/data/####/1551664541231_3021
/data/data/####/1551664541368_3021
/data/data/####/1551664551179_3206
/data/data/####/1551664551568_3206
/data/data/####/1551664562513_3416
/data/data/####/1551664562870_3416
/data/data/####/1551664575261_3614
/data/data/####/1551664575658_3614
/data/data/####/MultiDex.lock
/data/data/####/TDCloudSettingsConfigFA270C5E42DA4266B0EABE93887BA606.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/TalingDataConfigFA270C5E42DA4266B0EABE93887BA606.xml
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.haodai.app_preferences.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTEzMDA3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTI0NDQx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTMzNjY2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTQxOTk2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTUxNTkx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTYyNzI1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjY0NTc2MzAx;
/data/data/####/dW1weF9zaGFyZV8xNTUxNjY0NTE1NDM0;
/data/data/####/dW1weF9zaGFyZV8xNTUxNjY0NTE1OTc4;
/data/data/####/dlsqxx.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/i==1.2.0&&5.21.00_1551664513111_envelope.log
/data/data/####/i==1.2.0&&5.21.00_1551664524475_envelope.log
/data/data/####/i==1.2.0&&5.21.00_1551664533799_envelope.log
/data/data/####/i==1.2.0&&5.21.00_1551664542144_envelope.log
/data/data/####/i==1.2.0&&5.21.00_1551664551797_envelope.log
/data/data/####/i==1.2.0&&5.21.00_1551664576353_envelope.log
/data/data/####/info.xml
/data/data/####/libcuid.so
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.1.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/mobclick_agent_cached_com.haodai.app52100
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/payegis-did-dex-v5.6.2.jar
/data/data/####/payegis_stat
/data/data/####/payegis_stat-journal
/data/data/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/share.db-journal
/data/data/####/sp_ad.xml
/data/data/####/sp_config.xml
/data/data/####/sp_gpscity_config.xml
/data/data/####/sp_red_dot.xml
/data/data/####/sp_user.xml
/data/data/####/tdid.xml
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/websession.xml
/data/data/####/websession.xml.bak
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.tcookieid
/data/media/####/.umm.dat
/data/media/####/APPS
/data/media/####/DEVICES
/data/media/####/SELFS
/data/media/####/SYSTEMS
/data/media/####/android
/data/media/####/cities_all.txt
/data/media/####/conlts.dat
/data/media/####/global_config.txt
/data/media/####/list_config_v3.txt
/data/media/####/ller.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/ms_config.txt
/data/media/####/sysid.dat
/data/media/####/test.0
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.1.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
ls /sys/class/thermal
mkdir
mkdir /storage/emulated/0/Android/system
mkdir /storage/emulated/0/Android/system/data
mkdir /storage/emulated/0/Android/system/data/721869132
mkdir /storage/emulated/0/Local
mkdir /storage/emulated/0/Local/system
mkdir /storage/emulated/0/Local/system/data
mkdir /storage/emulated/0/Local/system/data/721869132

Loads the following dynamic libraries:

Bugly
LoanCalculator
egis_security
libnfix
libshella-2.9.1.2
libufix
locSDK6a
nfix
ufix

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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