Adware.Gexin.1161

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-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) app.jieshu####.cn:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
UDP 2####.62.117.47:44444
UDP 1####.168.106.1:137
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
api.map.b####.com
app.jieshu####.cn
c####.g####.ig####.com
c-h####.g####.com
cl####.map.b####.com
log.u####.com
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sec.u####.com
u####.u####.com
vec####.map.b####.com

HTTP GET requests:

sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_SzD730
sni.c####.q####.####.net/tdata_ZCi456
t####.c####.q####.####.com/tdata_EDT356

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/7cacf3ef6a31
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/CustomIndex
/data/data/####/DVDirectory.cfg
/data/data/####/DVHotMap.cfg
/data/data/####/DVHotcity.cfg
/data/data/####/DVIndoor.cfg
/data/data/####/DVVersion.cfg
/data/data/####/ResPack.rs
/data/data/####/ResPackIndoorMap.rs
/data/data/####/authStatus_com.jieshunpay.smartpark.xml
/data/data/####/authStatus_com.jieshunpay.smartpark;pushservice.xml
/data/data/####/authStatus_com.jieshunpay.smartpark;remote.xml
/data/data/####/baseindoormap.sty
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&1.4.2_1534118164297_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jstapp.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu2058771772.so
/data/data/####/map_pref.xml
/data/data/####/mapstyle.sty
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/satellitestyle.sty
/data/data/####/share.db-journal
/data/data/####/tdata_SzD730
/data/data/####/tdata_SzD730.jar
/data/data/####/tdata_ZCi456
/data/data/####/tdata_ZCi456.jar
/data/data/####/trafficstyle.sty
/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/####/umeng_socialize.xml
/data/data/####/ver.dat
/data/data/####/webview.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/255633e1-f975-458f-b4f0-e0c2f879ad1f
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/DTTempdat.dat
/data/media/####/DTTempdat.idx
/data/media/####/HMTempdat.dat
/data/media/####/HMTempdat.idx
/data/media/####/ITTempdat.dat
/data/media/####/ITTempdat.idx
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jieshunpay.smartpark.db
/data/media/####/tdata_SzD730
/data/media/####/tdata_ZCi456
/data/media/####/test.0
/data/media/####/test.log
/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
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25480 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu2058771772.so
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25480 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_2_1
BaiduMapSDK_map_v4_2_1
getuiext2
libjiagu2058771772
securityenv

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

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.

Displays its own windows over windows of other applications.

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