Adware.Gexin.953

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) i####.innoc####.com:443
TCP(TLS/1.0) r####.i####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) m.i####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP(TLS/1.0) s.i####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
hm.b####.com
i####.innoc####.com
log.u####.com
m.i####.com
r####.i####.com
r####.wx.qq.com
s####.u####.com
s.i####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

s####.tc.qq.com/open/js/jweixin-1.3.2.js?v=####
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_Soq141
sni.c####.q####.####.net/tdata_vxj811

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=####

Modified file system:

Creates the following files:

/data/data/####/-10828828041727223925
/data/data/####/-1270400928-725274060
/data/data/####/-1541919973-660969008
/data/data/####/-21373507-315808725
/data/data/####/-662578612-903492910
/data/data/####/-6625786122041171958
/data/data/####/-662578614401398357
/data/data/####/-665080777-383885255
/data/data/####/-665080777588328716
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1533644403482.log
/data/data/####/1533644403482.log.bak
/data/data/####/7378629161902842436
/data/data/####/7378629162119755883
/data/data/####/790303314269166100
/data/data/####/8573325091254566155
/data/data/####/9348996181989290751
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/QALConfigStore.dat
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/app_start_config.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.innochina.innocraft_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/cube_ptr_classic_last_update.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-695445200.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/####/qalimid_v2
/data/data/####/report_v5.msgstore-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/tls_device.dat
/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/data/####/umeng_socialize.xml (deleted)
/data/data/####/umeng_socialize.xml.bak
/data/data/####/umeng_socialize.xml.bak (deleted)
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/wlogin_device.dat
/data/media/####/.nomedia
/data/media/####/1cm8tkmk70oozya19ys1t28qf0.tmp
/data/media/####/2eu8xzlvqagmh9fd2rfye5xl00.tmp
/data/media/####/2qkou91s6q3u4x0b4o4793n500.tmp
/data/media/####/2uq9kfvrk1n1en7w5z3natf0z0.tmp
/data/media/####/3h18s7m4w79exd54exugj73d0.tmp
/data/media/####/3lkcdmynd8igmz3e3jljcuulb0.tmp
/data/media/####/3qggayki4cab7y4mqwfnfn6vx0.tmp
/data/media/####/3rp8fsu6x4z46kcuj7ml70svo0.tmp
/data/media/####/3sdcovn3oyqg0scefuivh0ny00.tmp
/data/media/####/46aro3opdl4o5kvuiyy2d9e4a0.tmp
/data/media/####/54bls2xdj3n3uwxcx9ujlvwrm0.tmp
/data/media/####/5t7na2xfe3p0ie6qpglycg4ha0.tmp
/data/media/####/64dagqtobs72b1o6hbg1whwyr0.tmp
/data/media/####/6fkivgz3cpq90fnzru9k5fib10.tmp
/data/media/####/6kxhqdrwfwnvcb7rbvztetzj00.tmp
/data/media/####/768xfudbl999aba8utnr1687c0.tmp
/data/media/####/7k2ysa680laz4jm0atce999440.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.18.08.07.12.log
/data/media/####/app.db
/data/media/####/bdb5gc6kktl6m11fjyxmmcuy0.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.innochina.innocraft.bin
/data/media/####/com.innochina.innocraft.db
/data/media/####/f8sn7t1jzqqcaishbx5j07vy0.tmp
/data/media/####/g916g7hfx9ptw63khj7hdwz60.tmp
/data/media/####/journal.tmp
/data/media/####/sdk.18.08.07.12.log
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/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.linewell.push.getui.GetuiPushService 25326 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-695445200.so
getprop

Loads the following dynamic libraries:

Bugly
_imcore_jni_gyp
_imcore_msg_ext_gyp
getuiext2
gnustl_shared
libjiagu-695445200
libwtcrypto
pl_droidsonroids_gif
qalcodecwrapper
qalmsfboot

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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