Adware.Gexin.8656

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) zuitou####.xa####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) publish####.b####.com.####.com:443
TCP(TLS/1.0) cpu.b####.com:443
TCP(TLS/1.0) fex.bdst####.com:443
TCP(TLS/1.0) wn.pos.b####.com:443
TCP(TLS/1.0) hpd.b####.com:443
TCP(TLS/1.0) ssls####.jom####.com:443
TCP(TLS/1.0) si####.jom####.com:443
TCP(TLS/1.0) cac####.b####.com:443
TCP(TLS/1.0) g####.b####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP c####.g####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
c####.g####.ig####.com
c-h####.g####.com
cac####.b####.com
cgi.con####.qq.com
cpu.b####.com
f10.b####.com
f11.b####.com
f12.b####.com
fex.bdst####.com
g####.b####.com
g####.bdst####.com
g####.bdst####.com
hm.b####.com
hpd.b####.com
pi####.qq.com
plb####.u####.com
pub-####.qin####.com
publish####.b####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t10.b####.com
t12.b####.com
u####.u####.com
wn.pos.b####.com
zuitou####.xa####.com

HTTP GET requests:

cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?sdkv=####&appid=###...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ntt510
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
pi####.qq.com/mstat/report
sdk.o####.p####.####.com/api.php?format=####&t=####
zuitou####.xa####.com/index.php/Wbs?w####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/9a599451558c
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/cc.zuitoutiao_preferences.xml
/data/data/####/com.tencent.open.config.json.1105830114
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMjUxOTc4MjI5;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/f_000011
/data/data/####/f_000012
/data/data/####/f_000013
/data/data/####/f_000014
/data/data/####/f_000015
/data/data/####/f_000016
/data/data/####/f_000017
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.6.0_1550251978349_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-60666461.so
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/t==8.0.0&&3.6.0_1550251978670_envelope.log
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ntt510
/data/data/####/tdata_ntt510.jar
/data/data/####/tencent_analysis.db-journal
/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/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xinwenzhuan.xml
/data/data/####/zuitoutiao.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.mid.txt
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/cc.zuitoutiao.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ntt510
/data/media/####/test.log

Miscellaneous:

Executes the following 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 24361 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
ls /
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24361 300 0

Loads the following dynamic libraries:

MtaNativeCrash
getuiext2
libjiagu-60666461

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding
desede-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
desede-CBC-PKCS5Padding

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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