Adware.Gexin.4374

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) a####.u51.com:443
TCP(TLS/1.0) na61-####.wagbr####.non####.####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

a####.u51.com
c####.g####.ig####.com
c-h####.g####.com
loc.map.b####.com
norma-e####.m####.com
plb####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
y####.al####.com

HTTP GET requests:

norma-e####.m####.com/android/exchange/getpublickey.do
t####.c####.q####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/offline_loc
loc.map.b####.com/sdk.php
norma-e####.m####.com/push/android/external/add.do
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/21c22f492aba3de8.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/MultiDex.lock
/data/data/####/Q0VSVC5SU0EK.txt8d7
/data/data/####/SGMANAGER_DATA2
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/ab914f43b8296c2c.lock
/data/data/####/com.enniu.renpindai_preferences.xml
/data/data/####/com.networkbench.agent.impl.v2_com.enniu.renpindai.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTI2NjA5Njgz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTI2NjQxMTAz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTI2NjY4OTI2;
/data/data/####/dc374f27dd9f7231
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/getui_sp.xml
/data/data/####/i==1.2.0&&5.2.1_1541526669223_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu1442558168.so
/data/data/####/libsgmain_1343998010000.dex
/data/data/####/libsgmainso-5.3.38.so.tmp
/data/data/####/libsgsecuritybodyso-5.3.27.so.tmp
/data/data/####/libweexjsb.so
/data/data/####/lock.lock
/data/data/####/multidex.version.xml
/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/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/sp.lock
/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/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/2018-11-06.log.txt
/data/media/####/DeviceId
/data/media/####/app.db
/data/media/####/com.enniu.renpindai.bin
/data/media/####/com.enniu.renpindai.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/dd7893586a493dc3
/data/media/####/hid.dat
/data/media/####/ller.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/rpdchannel_original
/data/media/####/test.0
/data/media/####/time.txt
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next 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
chmod 777 <Package Folder>/files/dc374f27dd9f7231
getprop ro.build.changelist
getprop ro.build.hw_emui_api_level
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.confg.hw_systemversion
getprop ro.flyme.published
getprop ro.miui.internal.storage
getprop ro.miui.ui.version.code
getprop ro.miui.ui.version.name
getprop ro.rom.different.version
getprop ro.smartisan.version
getprop ro.vivo.os.name
getprop ro.vivo.os.version
ls /sys/class/thermal

Loads the following dynamic libraries:

getuiext2
libjiagu1442558168
locSDK6a
sgmainso-5.3
sgsecuritybodyso-5.3
weexjsc

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.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, IMEI, etc.).

Gains access to information about installed applications.

Adds tasks to the system scheduler.

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