Adware.Gexin.3762

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) c####.g####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) col####.c####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(HTTP/1.1) vod.c####.cn:80
TCP(TLS/1.0) api.c####.cn:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) s####.ml####.cc:443
TCP(TLS/1.0) redi####.network####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
ap####.g####.com
api.c####.cn
b####.g####.com
c####.g####.com
c####.g####.com
c####.g####.ig####.com
c-h####.g####.com
col####.c####.cn
dc1.network####.com
m.d####.mob.com
plb####.u####.com
redi####.network####.com
s####.ml####.cc
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
vod.c####.cn

HTTP GET requests:

m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MOL564
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_aSD536
t####.c####.q####.####.com/tdata_iGj879
vod.c####.cn/apk/cctvapp/updateVersion-cctv.json

HTTP POST requests:

a####.exc.mob.com/errconf
ap####.g####.com/uploadIdBinding
c####.g####.com/api.php?format=####&t=####
c-h####.g####.com/api.php?format=####&t=####
col####.c####.cn/cctvmobileinf/rest/cctv/receive/app
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/COM_CCTV_ANALYSIS_SDK_SPUTILS.xml
/data/data/####/COM_CTVIT_UTILS_SPUTILS.xml
/data/data/####/NBSCrashStore.xml
/data/data/####/a==7.5.3&&3.2.1_1540002874243_envelope.log
/data/data/####/com.ctvit.cctvmusic_preferences.xml
/data/data/####/com.networkbench.agent.impl.v2_com.ctvit.cctvmusic.xml
/data/data/####/d==7.5.3&&3.2.1_1540002874366_envelope.log
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gin.db-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.2.1_1540002847507_envelope.log
/data/data/####/i==1.2.0&&3.2.1_1540002884591_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-1204396536.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/persistent_data.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/####/tdata_MOL564
/data/data/####/tdata_MOL564.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_aSD536.jar
/data/data/####/tdata_aSD5361783756301.tmp
/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_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/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/cctv_cctvmusici1001
/data/media/####/com.ctvit.cctvmusic.bin
/data/media/####/com.ctvit.cctvmusic.db
/data/media/####/com.ctvit.cctvmusic_.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/sysid.dat
/data/media/####/tdata_MOL564
/data/media/####/tdata_MkX219
/data/media/####/tdata_aSD536
/data/media/####/tdata_iGj879
/data/media/####/test.log

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
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.ui.push.MyPushService 24942 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1204396536.so
ls /sys/class/thermal
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.ui.push.MyPushService 24942 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-1204396536
neh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-NoPadding

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.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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