Adware.Gexin.9038

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) api.tangxia####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) a####.tangxia####.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(TLS/1.0) a1.eas####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.tangxia####.com
a1.eas####.com
api.tangxia####.com
c####.g####.ig####.com
c-h####.g####.com
log.u####.com
pub-####.qin####.com
rs.eas####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

a####.tangxia####.com/upload/201703/25/201703251510485065.png
a####.tangxia####.com/upload/201703/25/201703251533381071.png
a####.tangxia####.com/upload/201703/25/201703251533497264.png
a####.tangxia####.com/upload/201703/25/201703251533568993.png
a####.tangxia####.com/upload/201703/25/201703251534082421.png
a####.tangxia####.com/upload/201703/25/201703251534207881.png
a####.tangxia####.com/upload/201703/25/201703251534370499.png
a####.tangxia####.com/upload/201703/25/201703251534484660.png
a####.tangxia####.com/upload/201703/25/201703251535008079.png
a####.tangxia####.com/upload/201703/25/201703251535085237.png
a####.tangxia####.com/upload/201703/25/201703251535221586.png
a####.tangxia####.com/upload/201703/25/201703251535315522.png
a####.tangxia####.com/upload/201703/25/201703251535525015.png
a####.tangxia####.com/upload/201703/25/201703251536028649.png
a####.tangxia####.com/upload/201704/26/201704261530342393.png
a####.tangxia####.com/upload/201704/26/201704261530516962.png
a####.tangxia####.com/upload/201902/23/thumb_201902232151297941.JPG
api.tangxia####.com/api/Goods/GetCategoryChildList?parent_id=####&sign=#...
api.tangxia####.com/api/Goods/GetGoodsList?daynew=####&spc_categroy=####...
api.tangxia####.com/api/Goods/GetHomepage?rnd=####&sign=####
api.tangxia####.com/api/Home/GetAppAndroidUpdate?rnd=####&sign=####
api.tangxia####.com/api/User/GetAnnouncementsList?page=####&pagesize=###...
qin####.com.www.####.com/tdata_EDT369
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_Fus136
t####.c####.q####.####.com/tdata_SLj922
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1410b4d9302205ff98fb4edf36af669df1028cc3b55ab15....0.tmp
/data/data/####/1550959584688.log
/data/data/####/2a41d521333198b88a7becd0a69cf12c.0.tmp
/data/data/####/2a41d521333198b88a7becd0a69cf12c.1.tmp
/data/data/####/31dc838997660a6daa2f2fcdecdc8dba.0.tmp
/data/data/####/31dc838997660a6daa2f2fcdecdc8dba.1.tmp
/data/data/####/3d240dd59447a5e2ea6224e6a04beae9.0.tmp
/data/data/####/3d240dd59447a5e2ea6224e6a04beae9.1.tmp
/data/data/####/57df79115ba632ba14584d07f898edae.0.tmp
/data/data/####/57df79115ba632ba14584d07f898edae.1.tmp
/data/data/####/5987270005cf4211f2e9241b369d180e.0.tmp
/data/data/####/5987270005cf4211f2e9241b369d180e.1.tmp
/data/data/####/607aabf19d36
/data/data/####/62c11561f9fec513972de99740ee6eab.0.tmp
/data/data/####/62c11561f9fec513972de99740ee6eab.1.tmp
/data/data/####/66c1e4d2d454c6b20e9372057ca24e27.0.tmp
/data/data/####/66c1e4d2d454c6b20e9372057ca24e27.1.tmp
/data/data/####/6d817789f9027ab64b6567595d981de1.0.tmp
/data/data/####/6d817789f9027ab64b6567595d981de1.1.tmp
/data/data/####/95633c9ae95d34f7931d628904e9be0e.0.tmp
/data/data/####/95633c9ae95d34f7931d628904e9be0e.1.tmp
/data/data/####/b0a73f16c9b80b08f58f7f910af28b80.0.tmp
/data/data/####/b0a73f16c9b80b08f58f7f910af28b80.1.tmp
/data/data/####/c974d1a3053b7c5d75fa3c60213e0d4d.0.tmp
/data/data/####/c974d1a3053b7c5d75fa3c60213e0d4d.1.tmp
/data/data/####/com.haitao.tangxiaodai_preferences.xml
/data/data/####/config.json
/data/data/####/d600f7fa47f7f3dc3fa56f4ae8632281.0.tmp
/data/data/####/d600f7fa47f7f3dc3fa56f4ae8632281.1.tmp
/data/data/####/dd2974ba08546c41d1cd6b6e15370f44.0.tmp
/data/data/####/dd2974ba08546c41d1cd6b6e15370f44.1.tmp
/data/data/####/device_id.xml.xml
/data/data/####/ee6882197949d2de24220951c6377170.0.tmp
/data/data/####/ee6882197949d2de24220951c6377170.1.tmp
/data/data/####/f0474a1a0530d9b0dbf2c17a1c8b47b8.0.tmp
/data/data/####/f0474a1a0530d9b0dbf2c17a1c8b47b8.1.tmp
/data/data/####/fb448165fa1887a888bc8daa5c6e260d.0.tmp
/data/data/####/fb448165fa1887a888bc8daa5c6e260d.1.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-1941953942.so
/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/####/server.json
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_Fus136
/data/data/####/tdata_Fus136.jar
/data/data/####/tdata_SLj922
/data/data/####/tdata_SLj922.jar
/data/data/####/umeng_socialize.xml
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.haitao.tangxiaodai.bin
/data/media/####/com.haitao.tangxiaodai.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tangxiaodai.log
/data/media/####/tdata_BAI450
/data/media/####/tdata_Fus136
/data/media/####/tdata_SLj922
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.moudle.service.PushService 25202 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
mount

Loads the following dynamic libraries:

getuiext2
hyphenate
libjiagu-1941953942
pl_droidsonroids_gif

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-ECB-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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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