Adware.Gexin.18749

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) www.qt####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) 1####.129.76.144:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
log.u####.com
qy-swa####.qi####.com
s####.u####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.qt####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_jbc429
cdn-sdk####.g####.com.####.com/tdata_ngI479
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_RTc910
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1575065862225.log
/data/data/####/FM_config.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/fcd104374146
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/isFirst.xml
/data/data/####/libjiagu450625644.so
/data/data/####/multidex.version.xml
/data/data/####/newsfeeds_sdk.sqlite
/data/data/####/newsfeeds_sdk.sqlite-journal
/data/data/####/newsfeeds_sdk.sqlite-journal (deleted)
/data/data/####/newsfeeds_sdk.sqlite-shm
/data/data/####/newsfeeds_sdk.sqlite-shm (deleted)
/data/data/####/newsfeeds_sdk.sqlite-wal
/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_cpZ817
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_jbc429
/data/data/####/tdata_jbc429.jar
/data/data/####/tdata_ngI479
/data/data/####/tdata_ngI479.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/unicorn#cheese#
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.rongxun.QingTianZhu.bin
/data/media/####/com.rongxun.QingTianZhu.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_cpZ817
/data/media/####/tdata_jbc429
/data/media/####/tdata_ngI479
/data/media/####/test.log
/data/media/####/tmp_u_20191130
/data/media/####/v2u743

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.Service.PushService 25302 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu450625644.so
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.Service.PushService 25302 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu450625644

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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