Adware.Gexin.2355

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) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) schedul####.yo####.com:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) dt.net####.im:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP openj####.m.ta####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224
TCP l####.net####.im:8080

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
ag####.m.ta####.com
amdc####.m.ta####.com
c####.g####.ig####.com
c-h####.g####.com
dt.net####.im
l####.net####.im
lbs.net####.im
nim.qi####.com
plb####.u####.com
qy-swa####.qi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
tj.youza####.com
umengj####.m.ta####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

Modified file system:

Creates the following files:

/data/anr/traces.txt
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/NIMSDK_Config_98fc8d15ca30e043fede08457eea8b3d.xml
/data/data/####/NIMSDK_Config_98fc8d15ca30e043fede08457eea8b3d_...81.xml
/data/data/####/Unicorn.98fc8d15ca30e043fede08457eea8b3d.xml
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.youzan.mobile.AnalyticsPrefs.xml
/data/data/####/eudemon
/data/data/####/events
/data/data/####/events-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-147839719.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/msg.db-journal
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qiyu_save_98fc8d15ca30e043fede08457eea8b3d.xml
/data/data/####/run.pid
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/unicorn#cheese#
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.nomedia
/data/media/####/1f37a918e5f34bf7b35d5f36659cc695
/data/media/####/6e17d16c724a49f587379d3b9afa64f8
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.liang.ovl.bin
/data/media/####/com.liang.ovl.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log
/data/media/####/tmp_u_20180910

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/DaemonServer -s <Package Folder>/lib/ -n runServer -p startservice -n <Package>/com.taobao.accs.ChannelService --user 0 -f <Package Folder> -t 600 -c agoo.pid -P <Package Folder> -K 1009527 -U tb_accs_eudemon_1.1.3 -L http://agoodm.m.taobao.com/agoo/report -D {"package":"<Package>","appKey":"umeng:577b21fd67e58e160a00093f","utdid":"W5ZjPNyqAfQDAGdzx1GDbbBH","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.PushService 24271 300 0
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-147839719.so
grep 3852
ls /sys/class/thermal
ps
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.PushService 24271 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-147839719
tnet-3.1

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding

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 APN settings.

Gains access to information about installed applications.

Adds tasks to the system scheduler.

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