Adware.Gexin.17979

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) 2####.119.128.55:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) xinghuo####.y####.com:443
TCP(TLS/1.0) xin####.y####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) adser####.go####.nl:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) sa####.y####.com:443
TCP(TLS/1.0) adser####.go####.com:443
TCP(TLS/1.0) www.go####.nl:443
TCP(TLS/1.0) 2####.119.214.125:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.co
a####.u####.com
adser####.go####.com
adser####.go####.nl
and####.b####.qq.com
c-h####.g####.com
cm-1####.ig####.com
mt####.go####.com
plb####.u####.com
pub-####.qin####.com
sa####.y####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
u####.u####.com
www.go####.com
www.go####.nl
www.gst####.com
xin####.y####.com
xinghuo####.y####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_LRe817
ti####.c####.l####.####.com/tdata_ZPR725
ti####.c####.l####.####.com/tdata_bca864

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/5ad08e553fd7
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/MultiDex.lock
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/basic_xinghuo.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.creditease.xinghuo.BETA_VALUES.xml
/data/data/####/com.creditease.xinghuo.BETA_VALUES.xml.bak (deleted)
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY5MzM3MTM3MTgx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY5MzM3MTM4OTI5;
/data/data/####/dW1weF9zaGFyZV8xNTY5MzM3MTQzMTc1;
/data/data/####/dW1weF9zaGFyZV8xNTY5MzM3MTQzMjE4;
/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&&4.0.6_1569337137213_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-191195228.so
/data/data/####/local_crash_lock
/data/data/####/mobclick_agent_online_setting_com.creditease.xinghuo.xml
/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/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/remote_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/share.db-journal
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/third.xml
/data/data/####/um_cache_1569337140965.env
/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/####/xinghuo2.xml
/data/data/####/xinghuodb-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.org
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/com.creditease.xinghuo.bin
/data/media/####/com.creditease.xinghuo.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_LRe817
/data/media/####/tdata_ZPR725
/data/media/####/tdata_bca864
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.XingHuoPushService 25230 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
ls /
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.XingHuoPushService 25230 300 0

Loads the following dynamic libraries:

Bugly
X86Bridge
getuiext3
libjiagu-191195228

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

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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