Adware.Gexin.1916

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) pmd####.wea####.com.####.net:80
TCP(SSL/3.0) s.w####.co:443
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) goog####.hit.ge####.pl:443
TCP(TLS/1.0) acco####.go####.com:443
TCP(TLS/1.0) p####.adsafep####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) www.googlet####.com:443
TCP(TLS/1.0) wa####.127.net:443
TCP(TLS/1.0) sb.scoreca####.com.####.net:443
TCP(TLS/1.0) a####.go####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) s0.2####.net:443
TCP(TLS/1.0) odr.moo####.com:443
TCP(TLS/1.0) pag####.googles####.com:443
TCP(TLS/1.0) s.w####.co:443
TCP(TLS/1.0) tpc.googles####.com:443
TCP(TLS/1.0) st####.adsafep####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) pmd####.wea####.com.####.net:443
TCP(TLS/1.0) ssl.google-####.com:443
TCP(TLS/1.0) rtb.o####.net:443
TCP(TLS/1.0) s####.g.doublec####.net:443
TCP(TLS/1.0) adser####.go####.nl:443
TCP(TLS/1.0) sdk.amazo####.com:443
TCP(TLS/1.0) web####.net####.im:443
TCP(TLS/1.0) cdn.poly####.io:443
TCP(TLS/1.0) ssum####.casalem####.com.####.net:443
TCP(TLS/1.0) dt.adsafep####.com:443
TCP(TLS/1.0) cm.g.doublec####.net:443
TCP(TLS/1.0) f####.google####.com:443
TCP(TLS/1.0) g####.n####.com:443
TCP(TLS/1.0) wild####.moa####.com.####.net:443
TCP(TLS/1.0) p####.go####.com:443
TCP(TLS/1.0) www.go####.nl:443
TCP(TLS/1.0) adser####.go####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.go####.com
acco####.go####.com
adser####.go####.com
adser####.go####.nl
and####.b####.qq.com
api.wea####.com
c####.g####.ig####.com
c-h####.g####.com
cdn.poly####.io
cm.g.doublec####.net
dsx.wea####.com
dt.adsafep####.com
e.n####.com
f####.google####.com
f####.gst####.com
fcm####.go####.com
fcm####.you####.com
goog####.hit.ge####.pl
googl####.g.doublec####.net
im####.pubm####.com
lbs.net####.im
mt####.go####.com
myacc####.go####.com
odr.moo####.com
p####.adsafep####.com
p####.go####.com
pag####.googles####.com
plb####.u####.com
pub-####.qin####.com
rtb.o####.net
s####.g.doublec####.net
s.w####.co
s0.2####.net
sb.scoreca####.com
sdk.amazo####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
securep####.g.doublec####.net
ssl.google-####.com
ssl.gst####.com
ssum####.casalem####.com
st####.adsafep####.com
tpc.googles####.com
u####.u####.com
wa####.127.net
wea####.com
web####.net####.im
www.go####.com
www.go####.nl
www.googlet####.com
www.gst####.com
www.wea####.com
z.moa####.com

HTTP GET requests:

pmd####.wea####.com.####.net/
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
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/####/1004
/data/data/####/4c5da940d56c
/data/data/####/MultiDex.lock
/data/data/####/NIMSDK_Config_64a94cbcf8d6d6d0167c9543752e10af.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.bf.at_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&2.5.2_1535554470105_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu779585040.so
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/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/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/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/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/com.bf.at.bin
/data/media/####/com.bf.at.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/demo_20180829.log
/data/media/####/nim_sdk.log
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/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
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.MyGTPushService 23824 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu779585040.so
getprop
ls /sys/class/thermal
mount

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu779585040

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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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