Android.Gexin.809

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) pad-app####.pi####.com.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) pus####.pi####.com.cn:3000
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(SSL/3.0) pa####.fresh####.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) m####.pi####.com.cn:443
TCP(TLS/1.0) pa####.fresh####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5225
TCP connec####.pus####.pi####.####.cn:6000

DNS requests:

7j####.c####.z0.####.com
api####.a####.com
c-h####.g####.com
c.sz.gt.####.com
cdn-sdk####.g####.com
cm-1####.g####.com
connec####.pus####.pi####.####.cn
dc1.network####.com
m####.pi####.com.cn
pa####.fresh####.com
pa####.pi####.com.cn
pad-app####.pi####.com.cn
pawf-ac####.pi####.com.cn
pus####.pi####.com.cn
redi####.network####.com
s####.magicwi####.cn
sdk.c####.g####.com
sdk.o####.i####.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
w####.pi####.com.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_Ivn104
cdn-sdk####.g####.com.####.com/tdata_UsE952
cdn-sdk####.g####.com.####.com/tdata_XYj468
d####.c####.l####.####.com/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_GPf767
ti####.c####.l####.####.com/tdata_xxG415

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
pad-app####.pi####.com.cn/g/d?crc=####
pus####.pi####.com.cn:3000/api/dv/3f565628a54ead6c51c0987c43b0fff91/alia...
pus####.pi####.com.cn:3000/api/dv/3f565628a54ead6c51c0987c43b0fff91/scre...
pus####.pi####.com.cn:3000/api/dv/3f565628a54ead6c51c0987c43b0fff91/tag
pus####.pi####.com.cn:3000/api/q/a/3f565628a54ead6c51c0987c43b0fff91
pus####.pi####.com.cn:3000/api/statis/3f565628a54ead6c51c0987c43b0fff91/...
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/AD_OBJ_FILE
/data/data/####/MobihelpPreferences.xml
/data/data/####/RYM_app_pefercen_profile.xml
/data/data/####/RYMpref_longtime.xml
/data/data/####/RYMpref_shorttime.xml
/data/data/####/RYMtcagent.db
/data/data/####/RYMtcagent.db-journal
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/anyDoor_preference_push.xml
/data/data/####/anyDoor_preferences.xml
/data/data/####/anyDoor_preferences_loginingo.xml
/data/data/####/anydoor.db
/data/data/####/anydoor.db-journal
/data/data/####/anydoor_msg-journal
/data/data/####/baseWebListUrl.xml
/data/data/####/com.networkbench.agent.impl.v2_com.pingan.pinganwifi.xml
/data/data/####/com.pingan.pinganwifi_preferences.xml
/data/data/####/com.pinganwifi.app.versioncode.xml
/data/data/####/com.pinganwifi.app.versionname.xml
/data/data/####/com.pinganwifi.preference.remove.olddata.xml
/data/data/####/com.wifi.sdk.portal.xml
/data/data/####/com_pingan_pinganwifi_action_database.db-journal
/data/data/####/data_cache_com.pingan.pinganwificore.util.CacheUtil.xml
/data/data/####/device.xml
/data/data/####/gdaemon_20161017
/data/data/####/increment.db-journal
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/last_know_location.xml
/data/data/####/libjiagu.so
/data/data/####/mpush.db-journal
/data/data/####/mpush_process_preferences_file
/data/data/####/mpush_version_preferences_file
/data/data/####/multidex.version.xml
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/pa_data_cache.db-journal
/data/data/####/pa_manifest_cache.xml
/data/data/####/pa_wifi_config.xml
/data/data/####/paanydoor_resource_3.8.0.8.jar
/data/data/####/persistent_data.xml
/data/data/####/portalinfo_data_cache_com.pingan.pinganwificore...nt.xml
/data/data/####/pre_mw.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/####/ssid_config_data_cache_com.pingan.pinganwificor...nt.xml
/data/data/####/ssid_config_list_data_cache_com.pingan.pinganwi...nt.xml
/data/data/####/supplier_config_data_cache_com.pingan.pinganwif...nt.xml
/data/data/####/td.lock
/data/data/####/tdata_Ivn104
/data/data/####/tdata_Ivn104.jar
/data/data/####/tdata_UsE952
/data/data/####/tdata_UsE952.jar
/data/data/####/tdata_XYj468
/data/data/####/tdata_XYj468.jar
/data/data/####/tdid.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/wifi_in.xml
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.pingan.pinganwifi.db
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_Ivn104
/data/media/####/tdata_UsE952
/data/media/####/tdata_XYj468
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25116 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25116 300 0

Loads the following dynamic libraries:

WiFiSecure
hfenginelib
libjiagu
nativemodulelib
wifiin-jni

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CFB-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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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