Adware.Gexin.22329

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) and####.b####.qq.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) api.t####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) www.5####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.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) instant####.google####.com:443
TCP(TLS/1.0) 1####.250.179.202:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) 1####.251.39.106:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 1####.217.168.195:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5226

DNS requests:

and####.b####.qq.com
and####.cli####.go####.com
android####.go####.com
api.t####.com
c####.360.cn
c####.360.cn.####.8
c-h####.g####.com
c.appj####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
m####.go####.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
www.5####.com
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
sdk.o####.p####.####.com/api/addr.htm
www.5####.com/api/flashz.aspx?t=####
www.5####.com/api/mainz.aspx?t=####

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
api.t####.com/api/app/authorize?hash=####&t=####&app=####
api.t####.com/api/put?hash=####&t=####&app=####
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
www.5####.com/api/loginz.aspx
www.5####.com/api/qasz.aspx

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgrpa.xml
/data/data/####/.log.lock
/data/data/####/.log.rpa
/data/data/####/016fa58caad5
/data/data/####/1004
/data/data/####/TUSDK_Shared_Cache.xml
/data/data/####/ad_show_time.xml
/data/data/####/applicationId
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/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_app_update_settings_random.xml
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/null_demo.db-journal
/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/####/run.pid
/data/data/####/security_info
/data/data/####/tbs_download_stat.xml
/data/data/####/tbslock.txt
/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
/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/media/####/app.db
/data/media/####/com.a513zj.zhujue.bin
/data/media/####/com.a513zj.zhujue.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/easemob.log
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/global.keystore
/data/media/####/monitor.db
/data/media/####/monitor.db-journal
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c type su
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
getprop
logcat -d -v threadtime
mount
sh

Uses the following algorithms to encrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

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

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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