Adware.Gexin.19179

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 2####.119.128.200:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) 2####.119.128.55:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) 2####.205.239.188:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(SSL/3.0) xin####.y####.com:443
TCP(SSL/3.0) sa####.y####.com:443
TCP(TLS/1.0) 2####.119.215.106:443
TCP(TLS/1.0) xin####.y####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 2####.119.214.124:443
TCP(TLS/1.0) sa####.y####.com:443
TCP(TLS/1.0) xinghuo####.y####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
log.u####.com
oc.u####.com
sa####.y####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
xin####.y####.com
xinghuo####.y####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_SIq813
cdn-sdk####.g####.com.####.com/tdata_xEA084
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_LRe817
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

2####.119.128.55/check_config_update
2####.205.239.188/rqd/async?aid=####
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
oc.u####.com/check_config_update
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
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/####/9ce3f72729aa
/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.xinghuoinvest.BETA_VALUES.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDa...ml.bak
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc2ODgzOTY0NTcz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc2ODgzOTY5NjQ2;
/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/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.1.1_1576883964746_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-100173873.so
/data/data/####/local_crash_lock
/data/data/####/mobclick_agent_online_setting_com.creditease.xi...st.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/prefer_file.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.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_SIq813
/data/data/####/tdata_SIq813.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.jar
/data/data/####/third.xml
/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/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xinghuo2.xml
/data/data/####/xinghuodb-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.org
/data/media/####/.umm.dat
/data/media/####/1473087391.tmp
/data/media/####/app.db
/data/media/####/com.creditease.xinghuoinvest.bin
/data/media/####/com.creditease.xinghuoinvest.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_SIq813
/data/media/####/tdata_xEA084
/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.XingHuoInvestPushService 25895 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
ls /
ls /sys/class/thermal
mount
sh

Loads the following dynamic libraries:

Bugly
X86Bridge
getuiext3
libjiagu-100173873

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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