Adware.Gexin.22253

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) lbs.net####.im:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) 2####.58.208.106:443
TCP(TLS/1.0) ser####.j####.cn:6081
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP(TLS/1.2) www.gst####.com:443
TCP(TLS/1.2) and####.google####.com:443
TCP cm-1####.g####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

and####.cli####.go####.com
and####.google####.com
android####.go####.com
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
lbs.net####.im
loc.map.b####.com
m####.go####.com
md####.google####.com
qy-swa####.qi####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.j####.cn
www.gst####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_GKM601
cdn-sdk####.g####.com.####.com/tdata_jFf739
cdn-sdk####.g####.com.####.com/tdata_pKX830
d####.c####.l####.####.com/config/hzv9.conf
lbs.net####.im/lbs/conf.jsp?tp=####&sv=####&pv=####&k=####
sdk-ope####.g####.com/api/addr.htm
ser####.j####.cn:6081/HomeAssistService/addressAction.do?action=####&usa...
ser####.j####.cn:6081/HomeAssistService/orderAction.do?action=####&sessi...
ser####.j####.cn:6081/HomeAssistService/productAction.do?action=####&cit...
ser####.j####.cn:6081/HomeAssistService/systemConfigAction.do?action=###...

HTTP POST requests:

api.map.b####.com:443/sdkcs/verify
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
ser####.j####.cn:6081/HomeAssistService/auntNannyOrderAction.do?action=#...
ser####.j####.cn:6081/HomeAssistService/couponNewAction.do?action=####
ser####.j####.cn:6081/HomeAssistService/onlineCityAction.do?action=####
ser####.j####.cn:6081/HomeAssistService/systemConfigAction.do
ser####.j####.cn:6081/HomeAssistService/systemConfigAction.do?action=####
ser####.j####.cn:6081/HomeAssistService/userAction.do?action=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/12bcbc310d3a
/data/data/####/7d950a6b
/data/data/####/NIMSDK_Config_39fbdcc369c4076abc6c89ebb5a6c571.xml
/data/data/####/appSetting.xml
/data/data/####/authStatus_com.homeAssist.work.xml
/data/data/####/authStatus_com.homeAssist.work;core.xml
/data/data/####/authStatus_com.homeAssist.work;cosine.xml
/data/data/####/authStatus_com.homeAssist.work;pushservice.xml
/data/data/####/authStatus_com.homeAssist.work;remote.xml
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/classes4.dex
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/firll.dat
/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/####/jg_so_upgrade_setting.xml
/data/data/####/journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mac.xml
/data/data/####/proc_auxv
/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/####/qiyu_save_a8861e67bda4d995cb991fd9ce0e2dda.xml
/data/data/####/run.pid
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_GKM601
/data/data/####/tdata_GKM601.dex.flock (deleted)
/data/data/####/tdata_GKM601.jar
/data/data/####/tdata_jFf739
/data/data/####/tdata_jFf739.dex
/data/data/####/tdata_jFf739.dex.flock (deleted)
/data/data/####/tdata_jFf739.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.jar
/data/data/####/tmpd8.db-journal
/data/data/####/unicorn#cheese#
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/20220103.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.homeAssist.work.bin
/data/media/####/com.homeAssist.work.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/error.txt
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/journal
/data/media/####/nim_sdk.log
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log (deleted)
/data/media/####/tmp_c_20220103
/data/media/####/tmp_u_20220103
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

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.

Requests the system alert window permission.

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