Adware.Gexin.6913

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) pub-####.qin####.com:80
TCP(HTTP/1.1) a####.u####.com:80
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) 4####.97.20.250:8090
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) mps.a####.com:80
TCP(HTTP/1.1) traffi####.auto####.com:8888
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) res####.a####.com:80
TCP(TLS/1.0) res####.a####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
api####.a####.com
c####.g####.ig####.com
c-h####.g####.com
mps.a####.com
pub-####.qin####.com
res####.a####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
traffi####.auto####.com

HTTP GET requests:

mps.a####.com/ws/mps/vmap?mapdataver=####&type=####&mesh=####
pub-####.qin####.com/tdata_EDT356
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_SLj922
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
res####.a####.com/v3/config/resource
res####.a####.com/v3/geocode/regeo
res####.a####.com/v3/log/init
sdk.o####.p####.####.com/api.php?format=####&t=####
traffi####.auto####.com:8888/RouteStatusService/Handle.do?cmdtype=####&u...

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/092456e126f72621af6690e6a18098b4.0.tmp
/data/data/####/092456e126f72621af6690e6a18098b4.1.tmp
/data/data/####/0d3196f8b181e13ca74a72ccd29d4c45.0.tmp
/data/data/####/0d3196f8b181e13ca74a72ccd29d4c45.1.tmp
/data/data/####/31121319027029.0
/data/data/####/3771476478331.0
/data/data/####/4871481693519.0
/data/data/####/48892bf388542507d802c8f64b929b84.0.tmp
/data/data/####/48892bf388542507d802c8f64b929b84.1.tmp
/data/data/####/5248483b5581f7397f7a1a500e4993d2.0.tmp
/data/data/####/5248483b5581f7397f7a1a500e4993d2.1.tmp
/data/data/####/5619984cd338cff286af816cf6bf6176.0.tmp
/data/data/####/5619984cd338cff286af816cf6bf6176.1.tmp
/data/data/####/80177fe6fed9836bcef318619c4e5cb9.0.tmp
/data/data/####/80177fe6fed9836bcef318619c4e5cb9.1.tmp
/data/data/####/8301e50036dcdc5fd727d8185eed750d.0.tmp
/data/data/####/8301e50036dcdc5fd727d8185eed750d.1.tmp
/data/data/####/96121321892198.0
/data/data/####/GoodParking.setting-journal
/data/data/####/autonavi_Resource1_1_0.jar
/data/data/####/ba48d612c755d1871eab4711130c5c71.0.tmp
/data/data/####/ba48d612c755d1871eab4711130c5c71.1.tmp
/data/data/####/base_path.xml
/data/data/####/bugly_db_legu-journal
/data/data/####/com.iflytek.msc.xml
/data/data/####/f6b1dd4d1c22
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/mobclick_agent_online_setting_com.park.zhuji.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/####/share_data.xml
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_SLj922
/data/data/####/tdata_SLj922.jar
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/als.db
/data/media/####/als.db-journal
/data/media/####/am_font_model.dat
/data/media/####/am_font_model.ind
/data/media/####/am_font_model_ex.dat
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.park.zhuji.bin
/data/media/####/com.park.zhuji.db
/data/media/####/iflyworkdir_test
/data/media/####/journal.tmp
/data/media/####/tdata_BAI450
/data/media/####/tdata_SLj922
/data/media/####/test.log
/data/media/####/vmap_engine_version.data

Miscellaneous:

Executes the following shell scripts:

/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
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.android.gexinLib.GeTuiPushService 24395 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.8.so
chmod 700 <Package Folder>/tx_shell/libufix.so
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
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.android.gexinLib.GeTuiPushService 24395 300 0

Loads the following dynamic libraries:

Bugly
gdinamapv4sdk752
gdinamapv4sdk752ex
getuiext2
libnfix
libshella-2.8
libufix
msc
nfix
tbt
ufix
wtbt

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
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.

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