Adware.Gexin.19108

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) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(TLS/1.0) s7.zhenron####.com.####.com:443
TCP(TLS/1.0) pageco####.zhenron####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) acc####.kejidai####.com:443
TCP(TLS/1.0) as####.growi####.com.####.net:443
TCP(TLS/1.0) log.songjin####.com:443
TCP(TLS/1.0) fe####.zhenron####.com:443
TCP(TLS/1.0) cdn-sdk####.g####.com.####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) pdl####.oss-cn-####.aliy####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) das.bai####.cn:443
TCP(TLS/1.0) bt.kejidai####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP cm-1####.ig####.com:5224
TCP cm-1####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.u####.com
acc####.kejidai####.com
api.growi####.com
as####.growi####.com
bt.kejidai####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
cm-1####.ig####.com
das.bai####.cn
fe####.zhenron####.com
hm.b####.com
log.songjin####.com
pageco####.zhenron####.com
pdl####.oss-cn-####.aliy####.com
s4.zhenron####.com
s7.zhenron####.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
t####.growi####.com
t.growi####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_JmH262
cdn-sdk####.g####.com.####.com/tdata_pKX830
q####.c####.l####.####.com/config/hz-hzv6.conf
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=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.xml
/data/data/####/01cf8a65fb602576fee9af30f602dae7.0.tmp
/data/data/####/01cf8a65fb602576fee9af30f602dae7.1.tmp
/data/data/####/026076b351e5f6c0cb510a08c2db8bb5b8d6049be34ffca....0.tmp
/data/data/####/067b367690370f4cc7152ffc09450269.0.tmp
/data/data/####/067b367690370f4cc7152ffc09450269.1.tmp
/data/data/####/0980b72307eba818a7e2b42957f527b8.0.tmp
/data/data/####/0980b72307eba818a7e2b42957f527b8.1.tmp
/data/data/####/100credit_contents_zw.xml
/data/data/####/1576130734242
/data/data/####/1576130734403
/data/data/####/1576130736544
/data/data/####/1576130736968
/data/data/####/1576130737866
/data/data/####/1576130762608
/data/data/####/2D72A071.dex
/data/data/####/56e3e6c68782151671dad4a7e5f2cb5fe510963f1840ef6....0.tmp
/data/data/####/715a664ae7b9f1a4d822ab44192da73f62ac5954abb6b09....0.tmp
/data/data/####/82d8d8a920fad88119fcd04c521f79a560c4aa6731e33bd....0.tmp
/data/data/####/85f034b3c54c767e3ea7812f1251d7d9.0.tmp
/data/data/####/85f034b3c54c767e3ea7812f1251d7d9.1.tmp
/data/data/####/8a9c90020f7d1c87d71f2c204de5ce7cbc520bf08654c2f....0.tmp
/data/data/####/93fc1d6e45a93e969d63ff2822a8e83a.0.tmp
/data/data/####/93fc1d6e45a93e969d63ff2822a8e83a.1.tmp
/data/data/####/9f75324b8b1603ced006e8141207ac63.0.tmp
/data/data/####/9f75324b8b1603ced006e8141207ac63.1.tmp
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/a3022f39184f864efc042813c69e1a5f.0.tmp
/data/data/####/a3022f39184f864efc042813c69e1a5f.1.tmp
/data/data/####/autotrack.db
/data/data/####/autotrack.db-journal
/data/data/####/c16865c50b3777f66e573208986cb705.0.tmp
/data/data/####/c16865c50b3777f66e573208986cb705.1.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/ce5bf48c187a2717e898917a7938da75c71f16ef90664cf....0.tmp
/data/data/####/com.kwkx.songjindai_preferences.xml
/data/data/####/com.module.toolbox.sp_private.xml
/data/data/####/d0933c57bb6f
/data/data/####/d8f5095c6b57a5392b4afec9ffea99e3.0.tmp
/data/data/####/d8f5095c6b57a5392b4afec9ffea99e3.1.tmp
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/default.xml
/data/data/####/device_id.xml.xml
/data/data/####/ee9d95437a5f113e32b21948fbe1cf5ca78a92d028e92b9....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f5b2ebd511df063d1d053084e60cf57b07fc1f50c6f764e....0.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/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/####/ikwkx.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu1036419398.so
/data/data/####/multidex.version.xml
/data/data/####/persist_data.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/####/sp_cache.xml
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_JmH262
/data/data/####/tdata_JmH262.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/update.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.dev_id.txt
/data/media/####/.gid_bairong
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kwkx.songjindai.bin
/data/media/####/com.kwkx.songjindai.db
/data/media/####/tdata_CoH340
/data/media/####/tdata_JmH262
/data/media/####/tdata_pKX830
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.kejidaikuan.kafenqi.igexin.GeTuiPushService 24926 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.kejidaikuan.kafenqi.igexin.GeTuiPushService 24926 300 0

Loads the following dynamic libraries:

2D72A071
anti
basesec_client
basesec_client_jni
getuiext2
libjiagu1036419398
pl_droidsonroids_gif

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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.

Gets information about incoming/outgoing calls.

Gets information about sent/received SMS.

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