Adware.Gexin.22267

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) www.eas####.com:80
TCP(HTTP/1.1) a1.eas####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(HTTP/1.1) v5.o####.meijia####.net:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) 1####.250.179.170:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) www.eas####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP(TLS/1.2) 1####.251.36.42:443
TCP(TLS/1.2) 1####.250.179.170:443
TCP(TLS/1.2) 2####.58.214.10:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP cm-1####.g####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.u####.com
a1.eas####.com
and####.cli####.go####.com
and####.google####.com
android####.go####.com
api.map.b####.com
apis-ho####.ta####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
lbs.net####.im
regi####.xm####.xi####.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
v5.o####.meijia####.net
www.eas####.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
na61-####.wagbr####.ali####.####.com:443/u/97770-1/null/3.7.8/0/
sdk-ope####.g####.com/api/addr.htm
www.eas####.com:443/easemob/server.xml?sdk_version=####&app_key=####&fil...

HTTP POST requests:

a####.u####.com.####.com/app_logs
a1.eas####.com/mjbang/mjbang/devices
api.map.b####.com:443/sdkcs/verify
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=####
v5.o####.meijia####.net/api/statistics/page-statistics?phone_type=####&b...

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/7d861fce1de8
/data/data/####/NIMSDK_Config_5beec6b9abf7c7af0c02d5e27597f9dc.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/authStatus_com.xtuan.meijia.xml
/data/data/####/authStatus_com.xtuan.meijia;core.xml
/data/data/####/authStatus_com.xtuan.meijia;cosine.xml
/data/data/####/authStatus_com.xtuan.meijia;pushservice.xml
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/com.xtuan.meijia_preferences.xml
/data/data/####/device_id.xml.xml
/data/data/####/easemob.sdk.pref.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hxcontact.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libBaiduMapSDK_base_v4_0_0.so
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mac.xml
/data/data/####/metrics_guid
/data/data/####/mipush.xml
/data/data/####/mipush_extra.xml
/data/data/####/mjbang.xml
/data/data/####/mobclick_agent_cached_com.xtuan.meijia178
/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/####/sp_sophix.xml
/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/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/000.html
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xtuan.meijia.bin
/data/media/####/com.xtuan.meijia.db
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/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)

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 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.

Requests the system alert window permission.

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