Adware.Gexin.8012

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) qi####.mifeng####.cn:810
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) k####.eas####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) mifengk####.oss-cn-####.aliy####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) mifeng####.oss-cn-####.aliy####.com:80
TCP(HTTP/1.1) encash####.mifeng####.cn:80
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) a####.eas####.com:443
TCP(TLS/1.0) rs3.eas####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) oss-i####.mifeng####.cn:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP 4####.93.67.34:12026
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.eas####.com
a####.eas####.com
a####.man.aliy####.com
and####.b####.qq.com
api.growi####.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
encash####.mifeng####.cn
hotfix####.aliy####.com
i.t####.com
k####.eas####.com
log.u####.com
mifeng####.oss-cn-####.aliy####.com
mifengk####.oss-cn-####.aliy####.com
oss-i####.mifeng####.cn
pub-####.qin####.com
qi####.mifeng####.cn
rs.eas####.com
rs3.eas####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.growi####.com
t.growi####.com

HTTP GET requests:

k####.eas####.com/v1/imgateway/messages?orgName=####&appName=####&easemo...
k####.eas####.com/v1/visitors/tenants/29593
mifeng####.oss-cn-####.aliy####.com/kamao/invite_5w.jpg
mifengk####.oss-cn-####.aliy####.com/fr_public_666610/10_d612c2bfc86c7d6...
qin####.com.www.####.com/tdata_EDT369
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ntt510

HTTP POST requests:

and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
encash####.mifeng####.cn/Cash/getAllTip
encash####.mifeng####.cn/Cash/getDefaultCreditCard
encash####.mifeng####.cn/Cash/getIndex
encash####.mifeng####.cn/Cash/indexRedPoint
qi####.mifeng####.cn:810/Additional/getCustomerPhone
qi####.mifeng####.cn:810/Adv/getBanner
qi####.mifeng####.cn:810/Config/getAppList
qi####.mifeng####.cn:810/Config/getVerificationCodeConfig
qi####.mifeng####.cn:810/bank/getcity
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/056421b307b208c22ca314ce7455bfb420e476b07a0c2be....0.tmp
/data/data/####/1548548180675_2294
/data/data/####/1548548180751_2294
/data/data/####/1548548180812_2294
/data/data/####/1548548181030_2294
/data/data/####/1548548183906.log
/data/data/####/19u3feji04.db
/data/data/####/19u3feji04.db-journal
/data/data/####/19u3feji04_emmsg.db
/data/data/####/19u3feji04_emmsg.db-journal
/data/data/####/19u3feji04_kefumsg.db-journal
/data/data/####/4551d132866f
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/TDCloudSettingsConfigCD81BB16656F42DA8D484157B8BAC165.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/bugly_db_-journal
/data/data/####/cf4cdaa4ba84216c37d77759200c5dc2e286c0b2f0eefef....0.tmp
/data/data/####/city.txt
/data/data/####/cn.mifengkong.jianrong.location.xml
/data/data/####/cn.mifengkong.jianrong.tab.xml
/data/data/####/cn.rongdao.jrkabao_preferences.xml
/data/data/####/config.json
/data/data/####/device_id.xml.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/growing.db-journal
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/gx_sp.xml
/data/data/####/httpclient-req--1163399352.cache
/data/data/####/httpclient-req--1646224686.cache
/data/data/####/httpclient-req-2045473783.cache
/data/data/####/httpclient-req-2045473783.cache (deleted)
/data/data/####/httpclient-req-383739040.cache
/data/data/####/httpclient-req-383739040.cache (deleted)
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jianrong.xml
/data/data/####/journal.tmp
/data/data/####/kefuinfo.xml
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/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/####/run.pid
/data/data/####/security_info
/data/data/####/server.json
/data/data/####/sp_sophix.xml
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ntt510
/data/data/####/tdata_ntt510.jar
/data/data/####/tdid.xml
/data/data/####/umeng_socialize.xml
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/cn.rongdao.jrkabao.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/monitor.db-journal
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ntt510
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop androVM.vbox_dpi
/system/bin/sh -c getprop gsm.sim.state
/system/bin/sh -c getprop gsm.sim.state2
/system/bin/sh -c getprop qemu.sf.fake_camera
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.debuggable
/system/bin/sh -c getprop ro.genymotion.version
/system/bin/sh -c getprop ro.secure
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24777 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
getprop androVM.vbox_dpi
getprop gsm.sim.state
getprop gsm.sim.state2
getprop qemu.sf.fake_camera
getprop ro.board.platform
getprop ro.debuggable
getprop ro.genymotion.version
getprop ro.secure
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 24777 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
hyphenate
libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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