Adware.Gexin.12061

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) 2####.107.1.65:80
TCP(HTTP/1.1) 1####.251.204.195:80
TCP(HTTP/1.1) b####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) 1####.3.136.146:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(HTTP/1.1) 2####.107.1.1:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) wap.cm####.com:443
TCP(TLS/1.0) 1####.3.146.133:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
a####.u####.com
a.appj####.com
and####.b####.qq.com
ap####.g####.com
b####.g####.com
boo####.haoh####.cn
c####.g####.com
c####.g####.com
c####.g####.ig####.com
c-h####.g####.com
c.appj####.com
int.d####.s####.####.cn
pub-####.qin####.com
q.tinkerp####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wap.cm####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_JmZ606
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_UoC138
t####.c####.q####.####.com/tdata_siA393
ti####.c####.l####.####.com/config/hz-hzv3.conf
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000005933/1100000...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000007217/1100000...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000007503/1100000...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000008457/1100000...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000023596/1100002...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000023734/1100002...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000028105/1100002...
ti####.c####.l####.####.com/cppartner/1x1/11x0/110x0/11000073309/1100007...
ti####.c####.l####.####.com/tdata_EDT369

HTTP POST requests:

a####.u####.com/app_logs
a.appj####.com/jiagu/check/upgrade
and####.b####.qq.com/rqd/async?aid=####
ap####.g####.com/uploadIdBinding
b####.g####.com/api.php?format=####&t=####
c####.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=####
ti####.c####.l####.####.com/72c6d4bf524bed92/431f3b0b?d=####&v=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/5e417c1493c6
/data/data/####/66b25cf5aec7cb7530656c61d975e2f20f1224b36dd53fa....0.tmp
/data/data/####/72c6d4bf524bed92_version.info
/data/data/####/7d38880837d7f16e3406d349cfb21388a66e3c324b1e6ca....0.tmp
/data/data/####/94a74564979551c6dcae23ef7c3ea44a1328f181eeb101b....0.tmp
/data/data/####/95ce63cebbf275f28c56f91612871d414dac8f051d52620....0.tmp
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies250026699187743.xml
/data/data/####/Cookies250026699187743.xml.bak
/data/data/####/a0b9923a1e07639c3a683bddd300e1b36bbdd958fda1d13....0.tmp
/data/data/####/ad_show_time.xml
/data/data/####/aliclound_httpdns.db
/data/data/####/aliclound_httpdns.db-journal
/data/data/####/b2212614c77cd4ce67cf51fed827e212f3b2276855e544a....0.tmp
/data/data/####/baaa760c5abc53b4461df395d01a33b3031407cc57003ee....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/c773d46c6a480c90c643251abad41397abb03f87af4fa96....0.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.ishugui_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gin.db-journal
/data/data/####/gkt-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/ishugui.db-journal
/data/data/####/ishugui.shareInfo.xml
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/msp.db
/data/data/####/msp.db-journal
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/patch_server_config.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_JmZ606
/data/data/####/tdata_JmZ606.jar
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_UoC138-109116938.tmp
/data/data/####/tdata_UoC138.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/version.lock
/data/data/####/webview.db-journal
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.ishugui.bin
/data/media/####/com.ishugui.db
/data/media/####/com.ishugui_.db
/data/media/####/factory.dzt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/payerr.txt
/data/media/####/tdata_JmZ606
/data/media/####/tdata_Rnl693
/data/media/####/tdata_UoC138
/data/media/####/tdata_siA393
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.dzbook.service.GetTuiPushService 24131 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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 APN settings.

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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