Adware.Gexin.9717

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) api####.yin####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) rp-na####.ron####.com:80
TCP(TLS/1.0) msg.umengc####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) c####.im.ta####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) a####.a####.m.####.com:443
TCP(TLS/1.0) i####.ww.ta####.com:443
TCP(TLS/1.0) s####.cn.ron####.com:443
TCP sdk.o####.t####.####.com:5224
TCP ope####.m.ta####.com:443
TCP c####.g####.ig####.com:5227
TCP 1####.92.13.27:8623

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.m.ta####.com
a####.u####.com
acc####.m.ta####.com
ag####.m.ta####.com
and####.cli####.go####.com
api####.yin####.com
c####.g####.ig####.com
c####.im.ta####.com
c-h####.g####.com
i####.ww.ta####.com
log.u####.com
msg.umengc####.com
nav.cn.ron####.com
pub-####.qin####.com
s####.cn.ron####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
umen####.m.ta####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_siA393
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
api####.yin####.com//Heartbeat/global_time/
api####.yin####.com//Heartbeat/last_online/
api####.yin####.com//Message/friend_apply
api####.yin####.com//Message/new_notice_list
api####.yin####.com//Message/outermost_index
api####.yin####.com//Other/getToken/
api####.yin####.com//Paynvitation/is_inviter_time
api####.yin####.com//Recruit/get_recruit
api####.yin####.com//Rightfemale/get_judge_phone
api####.yin####.com//Txlive/getMeetOnce
api####.yin####.com//Uptateversion/update_version_number
c-h####.g####.com/api.php?format=####&t=####
rp-na####.ron####.com/navipush.json
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/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/49814c4f5ac2f2f9.lock
/data/data/####/78f4936647bc
/data/data/####/ACCS_BINDumeng;5908389b76661322d9000259.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/COUNTLY_STORE.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/RongPush.xml
/data/data/####/SMSSDK_2.xml
/data/data/####/SMSSDK_VCODE_1.xml
/data/data/####/Statistics.xml
/data/data/####/TestinAgent.db
/data/data/####/TestinAgent.db-journal
/data/data/####/TestinAgent.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.yingshe.chat_preferences.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/multidex.version.xml
/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/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/sp.lock
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/yingSheChat.xml
/data/data/####/ywPrefsTools.xml
/data/media/####/.nomedia
/data/media/####/.slock
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/RongLog_2_8_12.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.yingshe.chat.bin
/data/media/####/com.yingshe.chat.db
/data/media/####/deviceToken
/data/media/####/eccae431ff6d49f585accde3d1549f23
/data/media/####/error.log.txt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/gktper (deleted)
/data/media/####/inapp_20190306.log
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_siA393
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<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:5908389b76661322d9000259","utdid":"XIBCvm9vCUYDAGdzx1Fk24ad","sdkVersion":"220"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.view.service.GetuiMessageService 24586 300 0
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
logcat -t 100 -v time
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.view.service.GetuiMessageService 24586 300 0

Loads the following dynamic libraries:

NativeCrash
RongIMLib
getuiext2
libjiagu
neh
securitysdk-3.1
tnet-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Accesses camera interface.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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