Adware.Gexin.3005

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) reso####.msg.xi####.net:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) www.weica####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) d.sin####.cn.####.net:80
TCP(HTTP/1.1) 1####.56.156.61:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) statson####.pu####.b####.com:443
TCP(TLS/1.0) api.tui####.b####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP sa4.tui####.b####.com:5287
TCP 47.74.1####.155:5222
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226
TCP 4####.62.94.2:443

DNS requests:

7j####.c####.z0.####.com
a####.tui####.b####.com
a####.u####.com
and####.b####.qq.com
api.tui####.b####.com
c####.g####.ig####.com
c-h####.g####.com
p4.sin####.cn
pub-####.qin####.com
regi####.xm####.xi####.com
reso####.msg.xi####.net
sa4.tui####.b####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
statson####.pu####.b####.com
www.weica####.com

HTTP GET requests:

d.sin####.cn.####.net/1068385283/180/92891340878268
reso####.msg.xi####.net/gslb/?ver=####&type=####&conpt=d####&uuid=####&l...
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
www.weica####.com/priapi1/set_push_info/?channel_name=####&device_model=...
www.weica####.com/pubapi1/advert_one?position=####&myversion=####&token=...
www.weica####.com/pubapi1/cert_no?myversion=####&token=####&myclient=####
www.weica####.com/pubapi1/comment_list?gp_news_id=####&myversion=####&to...
www.weica####.com/pubapi1/get_blog_list?myversion=####&token=####&myclie...
www.weica####.com/pubapi1/get_easy_menu?myversion=####&token=####&myclie...
www.weica####.com/pubapi1/get_gp_info?myversion=####&token=####&code=###...
www.weica####.com/pubapi1/get_gp_news_lists?type=####&symbol=####&myvers...
www.weica####.com/pubapi1/get_gp_newsinfo?id=####&myversion=####&token=#...
www.weica####.com/pubapi1/get_index_feed_select?limit=####&lt_gt=####&my...
www.weica####.com/pubapi1/get_minute_data?myversion=####&token=####&code...
www.weica####.com/pubapi1/get_mkt_data?division=####&code=####&period=##...
www.weica####.com/pubapi1/get_new_pubers/?limit=####&myversion=####&page...
www.weica####.com/pubapi1/get_pay_info/?myversion=####&token=####&myclie...
www.weica####.com/pubapi1/get_pubers/?limit=####&myversion=####&page=###...
www.weica####.com/pubapi1/get_stock_notice_list?myversion=####&token=###...
www.weica####.com/pubapi1/get_stock_orders?myversion=####&token=####&cod...
www.weica####.com/upload/feed/2018/9/11/20180911102545445.png
www.weica####.com/upload/feed/2018/9/11/20180911102836451.png
www.weica####.com/upload/feed/2018/9/11/20180911102859710.png
www.weica####.com/upload/feed/2018/9/11/20180911102935755.png
www.weica####.com/upload/feed/2018/9/19/201809191035382875.jpg
www.weica####.com/upload/feed/2018/9/19/201809191035384327.jpg
www.weica####.com/upload/feed/2018/9/19/201809191035387635.jpg
www.weica####.com/upload/feed/2018/9/21/201809211222252189.jpg?size=####
www.weica####.com/upload/feed/2018/9/25/201809250936506845.jpg?size=####
www.weica####.com/upload/head/2018/9/201809111346433974.jpg
www.weica####.com/upload/head/2018/9/201809111349315712.jpg
www.weica####.com/upload/head/2018/9/201809111351455790.jpg
www.weica####.com/upload/head/2018/9/201809111353497633.jpg
www.weica####.com/upload/head/2018/9/201809111354195459.jpg
www.weica####.com/upload/head/2018/9/201809111357113671.jpg
www.weica####.com/upload/head/2018/9/201809111358428465.jpg
www.weica####.com/upload/head/2018/9/201809111410213088.jpg
www.weica####.com/upload/head/2018/9/201809111440385283.jpg
www.weica####.com/upload/head/2018/9/201809111441301256.jpg
www.weica####.com/upload/head/2018/9/201809111442126374.jpg
www.weica####.com/upload/head/2018/9/201809111442324701.jpg
www.weica####.com/upload/head/2018/9/201809111444025267.jpg
www.weica####.com/upload/head/2018/9/201809111444234531.jpg
www.weica####.com/upload/head/2018/9/201809111445314447.jpg
www.weica####.com/upload/head/2018/9/201809111447335002.jpg
www.weica####.com/upload/head/2018/9/201809111447529179.jpg
www.weica####.com/upload/head/2018/9/201809111448202950.jpg
www.weica####.com/upload/head/2018/9/201809111449211768.jpg
www.weica####.com/upload/head/2018/9/201809111449427005.jpg
www.weica####.com/upload/head/2018/9/201809111451399223.jpg
www.weica####.com/upload/head/2018/9/201809111455085443.jpg
www.weica####.com/upload/imglib/thumb/210_140/finance_201809110253002503...
www.weica####.com/upload/imglib/thumb/210_140/finance_20180911025351286....

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
www.weica####.com/pubapi1/get_version
www.weica####.com/pubapi1/site_info

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0362fe90240359cc6bbc1cf625fbf237.0.tmp
/data/data/####/0362fe90240359cc6bbc1cf625fbf237.1.tmp
/data/data/####/061139fd9394618ef903c05b042fa72e.0.tmp
/data/data/####/061139fd9394618ef903c05b042fa72e.1.tmp
/data/data/####/08ab910933faeb9cc4bc53f1801a6045.0.tmp
/data/data/####/08ab910933faeb9cc4bc53f1801a6045.1.tmp
/data/data/####/0d9118f73aa0b76e3f59bc976c73c62654a5667ed037882....0.tmp
/data/data/####/0f03962881c5fc77f1e1149deef5b439.0.tmp
/data/data/####/0f03962881c5fc77f1e1149deef5b439.1.tmp
/data/data/####/1004
/data/data/####/16241cdf16a34c55910e3ff459d1019e.0.tmp
/data/data/####/16241cdf16a34c55910e3ff459d1019e.1.tmp
/data/data/####/16fde69a89feba04bb7741e488fd7245bc7711ec960ad36....0.tmp
/data/data/####/1a5781db90b7220d8dfc8a0fc8ef1bd4d5e9ba8dfde880d....0.tmp
/data/data/####/1e62949523909710b7f6aaf656190d4d.0.tmp
/data/data/####/1e62949523909710b7f6aaf656190d4d.1.tmp
/data/data/####/23483bab74d8e33159914fb1061b34fb41f61577ed01f96....0.tmp
/data/data/####/2558d96f75b3250b8e9cfb13f9bb0ca8bae687ce8c05633....0.tmp
/data/data/####/2b4aabade6623c498f3f5b396535f1a4.0.tmp
/data/data/####/2b4aabade6623c498f3f5b396535f1a4.1.tmp
/data/data/####/2e62e7a0b0d848b3c883ec918152bfde.0.tmp
/data/data/####/2e62e7a0b0d848b3c883ec918152bfde.1.tmp
/data/data/####/3cd093108c1521221ef88e366186a957054430bc5bfeac6....0.tmp
/data/data/####/4664f090430ef1b680eee933a6fa104a4f39fd77b285636....0.tmp
/data/data/####/4e23582f2da52b56b4f7bba109e7f780e3f772ceee55091....0.tmp
/data/data/####/4eb4062f393eb6ae5da75f4ce15a5501.0.tmp
/data/data/####/4eb4062f393eb6ae5da75f4ce15a5501.1.tmp
/data/data/####/5579f06048c2575478bb7be66cbfade7.0.tmp
/data/data/####/5579f06048c2575478bb7be66cbfade7.1.tmp
/data/data/####/56a3e1edd337ae243da66db7c6cf814923c08275ec6f5a0....0.tmp
/data/data/####/571a8badb816a096146c63bc3d92bc510ab5bc0be3a208b....0.tmp
/data/data/####/59851205002530506ea6b7993d6ba00e.0.tmp
/data/data/####/59851205002530506ea6b7993d6ba00e.1.tmp
/data/data/####/5f3d1e798504d2d1297bd37ba50cf176f0ce910e913ca9e....0.tmp
/data/data/####/5f4214a66ef1b83de0a722bc19dd6f197d896acc42ed49c....0.tmp
/data/data/####/66b423bd03b8b7fe5fd098315a52b195e931cbb5d92147c....0.tmp
/data/data/####/684f689d90f921de678039f0db054d1b.0.tmp
/data/data/####/684f689d90f921de678039f0db054d1b.1.tmp
/data/data/####/6f49c63933d0f3de4ef04fe716d4f97f.0.tmp
/data/data/####/6f49c63933d0f3de4ef04fe716d4f97f.1
/data/data/####/7750914fe4faf9e0e3185ebefa53ce45022b9f69d7db86e....0.tmp
/data/data/####/7f7d7f8e4d25c684d9c4cf9ad97ceddaec837cb118efa34....0.tmp
/data/data/####/82bd00b4b0e705e5632cfe1c0e74701e716396fa7c6b39a....0.tmp
/data/data/####/84ecc99fbf0ff2118e562069b79d1c43632a1a392330679....0.tmp
/data/data/####/9293ade6147eb0cd822fbb4f51e26d74.0.tmp
/data/data/####/9293ade6147eb0cd822fbb4f51e26d74.1.tmp
/data/data/####/94e0f821357073fe8be85cecf40a5f5d.0.tmp
/data/data/####/94e0f821357073fe8be85cecf40a5f5d.1.tmp
/data/data/####/94f35d208290fb27811a9c81d2d3df40c39db71a5236a7a....0.tmp
/data/data/####/96feb20ed2b42f531fa6d6e9ceb11c8ffbf0c59850b9b5c....0.tmp
/data/data/####/97eabd432bb5f6e9e7c2aa93ae4f3ed54c873e779cc368e....0.tmp
/data/data/####/Alvin2.xml
/data/data/####/ClassicsHeader.xml
/data/data/####/ContextData.xml
/data/data/####/XMPushServiceConfig.xml
/data/data/####/a06dddf885c34dfe018cbb4a08b64bc81484c6d9607ede9....0.tmp
/data/data/####/a58e1754b30dd376ead3067461fa90d10a6148698fe0d0b....0.tmp
/data/data/####/a96a6b2b159bf5ce8e4b304c88c63afaef147c48031e025....0.tmp
/data/data/####/acdedefd13d4
/data/data/####/af5ed762025353be1cb62d463ed35f4263e2df6dd657ebe....0.tmp
/data/data/####/afde514458fd079a49ceac5e894c9fd7b40c48084c47c0c....0.tmp
/data/data/####/b503f80cd26f21465a82bab21650597d8da07b8cae419a7....0.tmp
/data/data/####/b7598750666ccb72914071ded52f55655d9c69890d18ac2....0.tmp
/data/data/####/b75eaba1041088575063bf8e4fe928134447003facfbaa9....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cca288479aa219cc718df786280c5981da2efc0e0b45b89....0.tmp
/data/data/####/ccab84d545cf42a6cdfceceb7af5e9da.0.tmp
/data/data/####/ccab84d545cf42a6cdfceceb7af5e9da.1.tmp
/data/data/####/com.baidu.pushservice.BIND_CACHE.xml
/data/data/####/com.baidu.pushservice.app_stat.xml
/data/data/####/com.cjmrh.app.push_sync.xml
/data/data/####/com.cjmrh.app.self_push_sync.xml
/data/data/####/com.cjmrh.app;pushservice
/data/data/####/com.cjmrh.app_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/d05577f277e48f67901edb8f7e3ffb72529a4f4616488c6....0.tmp
/data/data/####/d118b38f1eb7535ab2359ec86f0e2855e3f3e6fb770faf3....0.tmp
/data/data/####/d45844d6a0ec8b2b1536e5745ce2b71288db57e9e02eec2....0.tmp
/data/data/####/dcbd53e474c1e95e37acaac99f746cf2d4556e10683770a....0.tmp
/data/data/####/dd32edb0bfa9e3d8a6467d16f2f884a0.0.tmp
/data/data/####/dd32edb0bfa9e3d8a6467d16f2f884a0.1.tmp
/data/data/####/e827fa1f603622506a0bd0421a79a0b11fd4b21b8361ec1....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-2064392418.so
/data/data/####/local_crash_lock
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/multidex.version.xml
/data/data/####/pst.xml
/data/data/####/push.pid
/data/data/####/pushclient.xml
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushinfo.db
/data/data/####/pushinfo.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/pushstat_6.0.0.db
/data/data/####/pushstat_6.0.0.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/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.cjmrh.app.bin
/data/media/####/com.cjmrh.app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.wcx.oxlib.push.getui.GetuiService 24264 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-2064392418.so
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.wcx.oxlib.push.getui.GetuiService 24264 300 0

Loads the following dynamic libraries:

Bugly
bdpush_V2_9
getuiext2
libjiagu-2064392418

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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 APN settings.

Gains access to information about installed applications.

Gains access to information about running applications.

Gains access to information about accounts (Google, Facebook, etc.) registered on the device.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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