Adware.Gexin.11900

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) ai####.anal####.cn:8089
TCP(HTTP/1.1) ur####.anal####.cn:8089
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) gat####.shou####.com:8443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
ai####.anal####.cn
and####.b####.qq.com
api.growi####.com
c####.g####.ig####.com
c-h####.g####.com
gat####.shou####.com
pub-####.qin####.com
res####.a####.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
ur####.anal####.cn

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Jga153
t####.c####.q####.####.com/tdata_Wqf010
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_duV457
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

ai####.anal####.cn:8089/
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
ur####.anal####.cn:8089/

File system changes:

Creates the following files:

/data/data/####/.font2317-2317-0
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/INSTALLATION
/data/data/####/MultiDex.lock
/data/data/####/WInfo.xml
/data/data/####/bugly_db_-journal
/data/data/####/c18f5fa59ae7
/data/data/####/crashrecord.xml
/data/data/####/eguan.db
/data/data/####/eguan.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gofun_db-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libjiagu474750547.so
/data/data/####/local_crash_lock
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pref.xml
/data/data/####/props.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/####/sp_replace_flag.sp
/data/data/####/sp_replace_flag.sp.bak
/data/data/####/sp_sophix.xml
/data/data/####/sputil.sp
/data/data/####/sputil.sp.bak
/data/data/####/tdata_Jga153
/data/data/####/tdata_Jga153.jar
/data/data/####/tdata_Wqf010
/data/data/####/tdata_Wqf010.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_duV457
/data/data/####/tdata_duV457.jar
/data/media/####/.nomedia
/data/media/####/1554604689854.db
/data/media/####/8f3d7091a7c01c50cf0ac355aa25ec573be53f2a602597....0.tmp
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.gvsoft.gofun.bin
/data/media/####/com.gvsoft.gofun.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/journal.tmp
/data/media/####/tdata_Jga153
/data/media/####/tdata_Wqf010
/data/media/####/tdata_bca864
/data/media/####/tdata_duV457
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.receiver.GTPushService 24619 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.receiver.GTPushService 24619 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
libjiagu474750547

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Accesses the ITelephony private interface.

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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