Adware.Gexin.6693

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) res####.a####.com:80
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) df.baiq####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
and####.cli####.go####.com
api####.a####.com
c####.g####.ig####.com
c-h####.g####.com
dc1.network####.com
df.baiq####.com
plb####.u####.com
redi####.network####.com
res####.a####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
res####.a####.com/v3/log/init
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/ContextData.xml
/data/data/####/NBSCrashStore.xml
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/a98161d2e3a17e6fb3800ff5576b3894
/data/data/####/a==7.4.0&&2.0.0_1545157804458_envelope.log
/data/data/####/bugly_db_-journal
/data/data/####/com.jindan.jdloan.BETA_VALUES.xml
/data/data/####/com.networkbench.agent.impl.v2_com.jindan.jdloan.xml
/data/data/####/com.networkbench.agent.impl.v2_com.jindan.jdloan.xml.bak
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODAzNjQx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODEyMjM1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODI1NTU0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODQ1MDU2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODQ2MTQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODQ4MzQy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODQzNDA5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODUyODQ3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ1MTU3ODY4MDIz;
/data/data/####/dhh_db-journal
/data/data/####/dhh_sp.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&2.0.0_1545157812272_envelope.log
/data/data/####/i==1.2.0&&2.0.0_1545157825642_envelope.log
/data/data/####/i==1.2.0&&2.0.0_1545157843513_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pref.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/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_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/a98161d2e3a17e6fb3800ff5576b3894
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jindan.jdloan.bin
/data/media/####/com.jindan.jdloan.db
/data/media/####/sysid.dat
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.thirdparty.push.getui.CustomPushService 24671 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
getprop dalvik.vm.heapgrowthlimit
getprop dalvik.vm.heapsize
getprop dalvik.vm.heapstartsize
getprop ro.build.characteristics
logcat -d -v threadtime
ls /sys/class/thermal

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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.

Manages Wi-Fi connectivity.

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