Adware.Gexin.6876

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) pub-####.qin####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.9####.com:80
TCP(HTTP/1.1) m.91zhi####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) st####.9####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) 9####.f####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP 1####.15.95.127:30000
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
9####.f####.com
a####.9####.com
a####.u####.com
and####.b####.qq.com
and####.cli####.go####.com
c####.g####.ig####.com
c-h####.g####.com
m.91zhi####.com
pub-####.qin####.com
q.91zhi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.9####.com
st####.91zhi####.com

HTTP GET requests:

a####.9####.com/
m.91zhi####.com/news/api/startup/init?t=####&deviceId=####&sourceId=####...
m.91zhi####.com/news/api/version/check/android?t=####&deviceId=####&sour...
pub-####.qin####.com/tdata_EDT356
st####.9####.com/images/appContent/author/0/0/1/20171123134805972.jpg
st####.9####.com/images/appContent/author/0/0/2/20171123134914125.jpg
st####.9####.com/images/appContent/author/0/0/3/20171123135059009.jpg
st####.9####.com/images/appContent/content/0/0/326/20180322092055939.jpg
st####.9####.com/images/appContent/content/0/0/329/20180322142201954.jpg
st####.9####.com/images/appContent/content/0/0/333/20180323141238817.jpg
st####.9####.com/images/appContent/list/0/0/1/20171123161418485.png
st####.9####.com/images/appContent/list/0/0/24/20180305110411185.png
st####.9####.com/images/appContent/list/0/0/25/20180312133653923.png
st####.9####.com/images/appContent/list/0/0/27/20180315112502655.jpg
st####.9####.com/images/appContent/list/0/0/28/20180319173552696.png
st####.9####.com/images/appContent/list/0/0/29/20180326101353926.png
st####.9####.com/images/appContent/list/0/0/9/20171218151300726.png
st####.9####.com/quotation/realTime?codes=####
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_SLj922
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
m.91zhi####.com/app/future/exchange/user/account/info
m.91zhi####.com/news/api/appcontent/activity/list
m.91zhi####.com/news/api/news/list
m.91zhi####.com/news/api/transaction/opportunity/list/
m.91zhi####.com/news/api/user/message/unread/count
m.91zhi####.com/news/api/v4/liveVideo/list
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Demo.null.xml
/data/data/####/PreferenceSetting_default.xml
/data/data/####/TradeConfig_config.xml
/data/data/####/bugly_db_-journal
/data/data/####/crashrecord.xml
/data/data/####/datacache.db-journal
/data/data/####/ef5781cfab1a
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/mobclick_agent_online_setting_com.trade.future.xml
/data/data/####/mpush.cfg.xml
/data/data/####/multidex.version.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/####/setting.xml
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_SLj922
/data/data/####/tdata_SLj922.jar
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.nomedia
/data/media/####/15kh91qnk4kgsji9zbwrjlmry.0.tmp
/data/media/####/16is6gx3gf4nqixcdvacv7ad4.0.tmp
/data/media/####/1wydro2vgshfa25r3n39dpkt1.0.tmp
/data/media/####/25coe64ycu9w99uplozisgkll.0.tmp
/data/media/####/2ykdjgf6yz07onjpz3mkedxxw.0.tmp
/data/media/####/3540gsy05ebht9p8st0vn6mah.0.tmp
/data/media/####/3ls60dhk7cnzdx6yjn60cnw9u.0.tmp
/data/media/####/3w927dozigq9397up27ml8x9q.0.tmp
/data/media/####/4bs0pi2ixit82j9nxh51r8xty.0.tmp
/data/media/####/4bz6ex055bjzbtbhxsm3quha5.0.tmp
/data/media/####/5223yfpj6l9plpqkz6k6g3vdb.0.tmp
/data/media/####/586tdyldlp6m69vc2vbm2jxyi.0.tmp
/data/media/####/6iedfd5800g7rq4xh5rr1zqua.0.tmp
/data/media/####/6r6pqn59qqgmqthhz1z9firhd.0.tmp
/data/media/####/6yoc650u3b0ak2ztj36hktyzp.0.tmp
/data/media/####/7cv8743x2f4f4g7n8pedh406l.0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/b6mif6qyeiekwciv6nhkbw8l.0.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.trade.future.bin
/data/media/####/com.trade.future.db
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/nim_sdk.log
/data/media/####/tdata_BAI450
/data/media/####/tdata_SLj922
/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.trade.eight.moudle.push.AppPushCoreService 24606 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.trade.eight.moudle.push.AppPushCoreService 24606 300 0

Loads the following dynamic libraries:

Bugly
cosine
getuiext2
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial