Adware.Gexin.3068

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) beacon####.aliy####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) aliyun-####.al####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) 1####.254.116.117:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) a####.a####.m.####.com:80
TCP(TLS/1.0) ada####.m.ta####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP(TLS/1.0) sh.wagbr####.ta####.com:443
TCP(TLS/1.0) 1####.217.17.78:443
TCP openj####.m.ta####.com:80
TCP t####.qq.com:443
TCP 4####.62.94.2:443
TCP sdk.o####.t####.####.com:5224
TCP t####.qq.com:8080
TCP t####.qq.com:80
TCP 47.74.1####.158:5222
TCP c####.g####.ig####.com:5227
TCP ope####.m.ta####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.m.ta####.com
accscdn####.m.ta####.com
acs4pu####.m.ta####.com
ada####.ut.ta####.com
adas####.ut.ta####.com
ag####.m.ta####.com
beacon####.aliy####.com
c####.g####.ig####.com
c-h####.g####.com
mpush####.al####.com
pi####.qq.com
regi####.xm####.xi####.com
reso####.msg.xi####.net
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.qq.com

HTTP GET requests:

reso####.msg.xi####.net/gslb/?ver=4.0&type=wap&conpt=dvidpodv >>4>>4>>4...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

a####.a####.m.####.com/amdc/mobileDispatch?appkey=####&deviceId=####&pla...
aliyun-####.al####.com/config
beacon####.aliy####.com/beacon/fetch/config/byappkey
c-h####.g####.com/api.php?format=####&t=####
pi####.qq.com/mstat/report/?index=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.tpns.service.xml.xml
/data/data/####/.tpns.settings.xml.xml
/data/data/####/.tpns.settings.xml.xml.bak
/data/data/####/.tpush_mta.xml
/data/data/####/ACCS_BIND24765422.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/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/UTCommon.xml
/data/data/####/XMPushServiceConfig.xml
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/ap.Lock
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.edutao.xxztc.android.parents.xml
/data/data/####/com.edutao.xxztc.android.parents;pushservice
/data/data/####/com.edutao.xxztc.android.parents_preferences.xml
/data/data/####/device_id.xml
/data/data/####/eudemon
/data/data/####/gdaemon_20161017
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-1373361038.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/pref_registered_pkg_names.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.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/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/tpush.shareprefs.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/xg_message.db
/data/data/####/xg_message.db-journal
/data/media/####/.nomedia
/data/media/####/0eee0807bc8a40259d7e39eccc1c5006
/data/media/####/3672ef0c10d446adbe55d156e0b728ed
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/ce0fad6df30f449a8322ae39226a3fbf
/data/media/####/com.edutao.xxztc.android.parents.bin
/data/media/####/com.edutao.xxztc.android.parents.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/e6675b4f78be4429a3aa50a5aee39491
/data/media/####/lcfp
/data/media/####/lcfp.lock
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next 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":"24765422","utdid":"W6q+yRCsxIgDAGdzx1H1WcC3","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.peiyu.core.push.service.GTPushService 26224 300 0
<Package Folder>/lib/libxguardian.so <Package>,2100274492;<Package>,2100274492; 55247 203.205.128.130 [{ idx :0, ts :%d, et :2000, si :0, ui : <IMEI> , ky : Axg%lu , mid : 8759b9425e7a35b15e19a3b79b0ddae47bd622d9 , ev :{ ov : 18 , sr : 600*752 , md : <System Property> , lg : en , sv : 3.2 , mf : unknown , apn : %s }}] 0 18
<Package Folder>/lib/libxguardian.so <Package>,2100274492;<Package>,2100274492; 55942 203.205.128.130 [{ idx :0, ts :%d, et :2000, si :0, ui : <IMEI> , ky : Axg%lu , mid : 8759b9425e7a35b15e19a3b79b0ddae47bd622d9 , ev :{ ov : 18 , sr : 600*752 , md : <System Property> , lg : en , sv : 3.2 , mf : unknown , apn : %s }}] 0 18
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1373361038.so
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.peiyu.core.push.service.GTPushService 26224 300 0

Loads the following dynamic libraries:

getuiext2
jpush217
libjiagu-1373361038
tnet-3.1
tpnsSecurity
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB8-NoPadding
RSA-ECB-PKCS1PADDING
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CFB8-NoPadding
DES-ECB-PKCS5Padding

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 APN settings.

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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