Adware.Gexin.1041

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) analy####.ray####.com:80
TCP(HTTP/1.1) res.cb####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) net.ray####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) set####.ray####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) api.msx.b####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
analy####.ray####.com
and####.b####.qq.com
and.cb####.com
api.map.b####.com
api.msx.b####.com
c####.g####.ig####.com
c-h####.g####.com
loc.map.b####.com
net.ray####.com
o####.map.b####.com
pub-####.qin####.com
q.tinkerp####.com
res.cb####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
set####.ray####.com

HTTP GET requests:

net.ray####.com/openapi/ad/v3?app_id=####&unit_id=####&sign=####&req_typ...
res.cb####.com/api/adInterval.json
set####.ray####.com/rewardsetting?app_id=####&sign=####&channel=####&pla...
set####.ray####.com/rewardsetting?app_id=####&sign=####&unit_ids=####&ch...
set####.ray####.com/setting?app_id=####&sign=####&channel=####&platform=...
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_MkX219
sni.c####.q####.####.net/tdata_iGj879
t####.c####.q####.####.com/tdata_EDT356

HTTP POST requests:

analy####.ray####.com/
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
res.cb####.com/api/register_account/
res.cb####.com/api/server_config/
res.cb####.com/api/ssid_list/
res.cb####.com/api/tabZc/
sdk.o####.p####.####.com/api.php?format=####&t=####
t####.c####.q####.####.com/0d248606b65692c5/2.1.2?d=####&v=####

Modified file system:

Creates the following files:

/data/data/####/-1938308025
/data/data/####/.jg.ic
/data/data/####/0d248606b65692c5_version.info
/data/data/####/1002
/data/data/####/1004
/data/data/####/1388180331883590263
/data/data/####/APP_FLAG.xml
/data/data/####/MultiDex.lock
/data/data/####/USERINFO.xml
/data/data/####/authStatus_cn.com.thit.wxmetro.xml
/data/data/####/authStatus_cn.com.thit.wxmetro;pushservice.xml
/data/data/####/authStatus_cn.com.thit.wxmetro;remote.xml
/data/data/####/be8d7eff0860
/data/data/####/bugly_db_-journal
/data/data/####/bwton.xml
/data/data/####/cbchot_android-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/city_module.xml
/data/data/####/cn.com.thit.wxmetro.BETA_VALUES.xml
/data/data/####/crashrecord.xml
/data/data/####/disk_entries_list_image_cache_1004840396.xml
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu821203367.so
/data/data/####/local_crash_lock
/data/data/####/mobclick_agent_cached_cn.com.thit.wxmetro57
/data/data/####/mobvista.msdk.db-journal
/data/data/####/mobvista.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/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/####/share_date.xml
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/umeng_general_config.xml
/data/data/####/version.lock
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/bwtonid
/data/media/####/cn.com.thit.wxmetro.bin
/data/media/####/cn.com.thit.wxmetro.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.bwton.metro.push.BwtPushService 24897 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu821203367.so
getprop
mount
ps

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
Bugly
getuiext2
imagepipeline
libjiagu821203367
locSDK7a

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-GCM-NoPadding
RSA-None-PKCS1Padding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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