Adware.Gexin.8598

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) q.zy####.com:80
TCP(HTTP/1.1) m.zy####.com:80
TCP(HTTP/1.1) st####.zy####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) app-mea####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) 1####.217.19.206:443
TCP(TLS/1.0) wa####.127.net:443
TCP 2####.107.32.104:9999
TCP c####.g####.ig####.com:5225
TCP 47.91.2####.1:30000
TCP ou####.yun####.net:8000
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.zy####.com
app-mea####.com
ar.u####.com
c####.g####.ig####.com
c-h####.g####.com
lbs.net####.im
m.zy####.com
ou####.yun####.net
plb####.u####.com
q.zy####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.zy####.com
u####.u####.com
wa####.127.net

HTTP GET requests:

m.zy####.com/
m.zy####.com/domain/check/json?t=####&deviceId=####&sourceId=####&device...
m.zy####.com/news/api/startup/init/v3?t=####&deviceId=####&sourceId=####...
m.zy####.com/news/api/version/check/android?t=####&deviceId=####&sourceI...
q.zy####.com/quotation/realTime?t=####&deviceId=####&sourceId=####&devic...
st####.zy####.com/images/appContent/list/0/0/150/20180409104813797.jpg
st####.zy####.com/images/appContent/list/0/0/191/20180427151155858.png
st####.zy####.com/images/appContent/list/0/0/215/20180508182802716.png
st####.zy####.com/images/appContent/list/0/0/231/20181101111611835.png
st####.zy####.com/images/appContent/list/0/0/440/20181108181446391.png
st####.zy####.com/images/appContent/list/0/0/533/20190213131646277.png
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_ynp969
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
m.zy####.com/app/whwp/exchange/trade/regVoucher/exist/v4
m.zy####.com/group/post/unread/count
m.zy####.com/news/api/helpline/clickV2
q.zy####.com/group/message/center/count
q.zy####.com/news/api/appcontent/activity/list/v2
q.zy####.com/news/api/transaction/opportunity/list/
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Demo..xml
/data/data/####/MultiDex.lock
/data/data/####/NIMSDK_Config_30253e4af067640cc46d52cd3c687208.xml
/data/data/####/NIMSDK_Config_30253e4af067640cc46d52cd3c687208_...25.xml
/data/data/####/NIMSDK_Config_UI30253e4af067640cc46d52cd3c687208.xml
/data/data/####/PreferenceSetting_default.xml
/data/data/####/TradeConfig_config.xml
/data/data/####/a==7.5.3&&1.4.3_1550060369949_envelope.log
/data/data/####/com.google.InstanceId.properties
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.trade.gold_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMjk0NDgx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMjk2NDkw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMjk4NTAz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzA4NDE2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzExODIx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzI3NDc3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzI5MTYz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzQwNjI3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzU2OTUx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDYwMzUwNDgy;
/data/data/####/datacache.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/google_app_measurement.db-journal
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/i==1.2.0&&1.4.3_1550060294490_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-1382022485.so
/data/data/####/mpush.cfg.xml
/data/data/####/msg.db-journal
/data/data/####/multidex.version.xml
/data/data/####/nim_cache.db-journal
/data/data/####/nim_device
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/setting.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/write.lock
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/1chx7i3yad530tkpaq00jj9yx.0.tmp
/data/media/####/1o691jmitdsu8174b058fwxy2.0.tmp
/data/media/####/20190213.log
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/com.trade.gold.bin
/data/media/####/cydle1yy1wpsujosut0ecrmc.0.tmp
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/nim_sdk.log
/data/media/####/official_config

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
ls /sys/class/thermal

Loads the following dynamic libraries:

getuiext3
libjiagu-1382022485

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about APN settings.

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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