Adware.Gexin.428

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) api.niu####.cn:80
TCP(HTTP/1.1) wx.q####.cn:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) st####.niu####.cn:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) myacc####.go####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) ssl.google-####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) a####.go####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) p####.go####.com:443
TCP(TLS/1.0) adser####.go####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.go####.com
a####.u####.com
adser####.go####.com
and####.b####.qq.com
api.fadia####.com
api.map.b####.com
api.niu####.cn
c####.g####.ig####.com
c-h####.g####.com
f####.gst####.com
loc.map.b####.com
log.u####.com
m.fadia####.com
myacc####.go####.com
p####.go####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.google-####.com
ssl.gst####.com
st####.niu####.cn
www.go####.com
www.go####.nl
www.gst####.com
wx.q####.cn

HTTP GET requests:

api.niu####.cn/public/download
api.niu####.cn/static/photo/launchImage1080*1920.jpg
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_MkX219
sni.c####.q####.####.net/tdata_iGj879
st####.niu####.cn/niudiao/image/b2052b6786c04d7ea81f60ffb7a1900b.jpeg!webt
st####.niu####.cn/p/2018-06-29/368e64923a1c6127a470225b35f204b5.jpg
st####.niu####.cn/p/2018-06-29/5e2ce33f33f40ee301de515b38954596.jpg
st####.niu####.cn/p/2018-06-29/f0382d1c69b7db38199b701bf4f131fa.jpg
st####.niu####.cn/p/2018-07-17/2eac31ab1f1a349074a9215196eacfaf.jpg
st####.niu####.cn/p/2018-07-17/8303bbf4ff549c7b92986a414d47f613.jpg
st####.niu####.cn/p/2018-07-17/eb72131f0057b5f9f2ffe27cb1daff07.png
st####.niu####.cn/thumb/2017-08-12/7a47da5f74a54304881022972678a093.png
st####.niu####.cn/thumb/2017-12-06/388d957314fe4de89dbd423b148df281.jpg
st####.niu####.cn/thumb/2018-01-04/2f671803627d4a4d8f99c2d58c5c7ab5.jpg
st####.niu####.cn/thumb/2018-04-02/7d7330eb55db4bc590efccd2de50eb90.jpg
st####.niu####.cn/thumb/2018-04-30/894dcfb0e9eb4f0ea7fd4087b7fab34f.jpg
st####.niu####.cn/thumb/2018-05-09/74bab814959146ee99b9cedc62185776.jpg
st####.niu####.cn/thumb/2018-06-25/8d3f8f76ec9b4a65b0a6f4ed183e0f69.jpg
st####.niu####.cn/thumb/2018-07-02/484541dd601d451fafe6db5e5196d1f8.jpg
st####.niu####.cn/thumb/2018-07-09/907385cd7e8a435dae5c7715c5bea0ba.jpg
wx.q####.cn/mmopen/vi_32/EbH99oNKQKzc0AspdorGHuv3s2mWC9ibABRAPE7VHxZIpXy...
wx.q####.cn/mmopen/vi_32/Q0j4TwGTfTI3lW3z0JqBDQKuibdhiaYxbGfK2YdXJrfK9yS...

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
api.niu####.cn/home/list
api.niu####.cn/public/init
api.niu####.cn/public/keywords
api.niu####.cn/video/item
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/-642250906
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1049537842
/data/data/####/1532154401145.log
/data/data/####/174962056
/data/data/####/DB.realm
/data/data/####/DB.realm.lock
/data/data/####/access_control.control.mx
/data/data/####/access_control.write.mx
/data/data/####/art_live_share_data.xml
/data/data/####/authStatus_com.android.niudiao.client;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/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/####/jg_so_upgrade_setting.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/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/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/0e4adba32c2496816caf7a8806119e05e6f788dd8cc2f1....0.tmp
/data/media/####/1da0de83cfc0bf496d0c0d5c49ed691a890dc6922b1adc....0.tmp
/data/media/####/32dcb357112962f79e2063eee9214ff42125cc19c6dfc0....0.tmp
/data/media/####/3ee1c34fa52fbb537dfe9f38126adcbb7ed1c870593697....0.tmp
/data/media/####/4700b93b619890f176728c48db7500ad6555420f5c7f02....0.tmp
/data/media/####/485226a9951b0fb8ee8fc6b42a75da9d84b5bbfa9b0483....0.tmp
/data/media/####/5652bee60365cc4389443c2a6a6583fc34b1698e67dd44....0.tmp
/data/media/####/67686adb1d2e560c76a83aecc2fd41595cf67266fe9d45....0.tmp
/data/media/####/74fe7465599862f96f0ab6a390e79d21db8c399726fccb....0.tmp
/data/media/####/825503f30acb4f581a89a444f5360e04828a2c22f248e1....0.tmp
/data/media/####/8363e7f9b4f40408d2697b746cb7e1fad28d76af69d9b9....0.tmp
/data/media/####/852c2075f112c3da0a99d6fa8a2dce5e42b0114622d942....0.tmp
/data/media/####/90521ef58c35dba4f90f3c8fea7290fe08a4c7fb79c8d8....0.tmp
/data/media/####/a598ef60452da157db529fabc2dd8de7688319108b9ac1....0.tmp
/data/media/####/acba32375db7887ab17861b59c8f657530c48d71d093aa....0.tmp
/data/media/####/app.db
/data/media/####/bade6037a75a71f50a0d794f133d52f193eb73f76c595b....0.tmp
/data/media/####/c4333d750f8139b34ecd64c8fc177c59f6e5e4bc86e334....0.tmp
/data/media/####/com.android.niudiao.client.bin
/data/media/####/com.android.niudiao.client.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/d85d5fc3210d6eadc1dc5e7f6b753d1984dde52337c1a4....0.tmp
/data/media/####/e71baf1d1e48e1f254171b3087015d63d43645c5c4e780....0.tmp
/data/media/####/ea23244d47b973bb8dc4de6b0da95e65b6d98b10cf8138....0.tmp
/data/media/####/ed895a3a7c195b278772cd8369f7c3d3fbef4ed7a024e4....0.tmp
/data/media/####/fcc3d5ad7e672c552a93f1bba07b6465874fa0ef2a8c5b....0.tmp
/data/media/####/journal.tmp
/data/media/####/niaodiao_keywords.txt
/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
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.PushService 25578 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop

Loads the following dynamic libraries:

Bugly
getuiext2
ijkffmpeg
ijkplayer
ijksdl
ijksoundtouch
libjiagu
locSDK7a
realm-jni

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

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