Android.Backdoor.1391

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) s1-wacd####.b0.a####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) ga####.lotu####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) q####.a####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ga####.lotu####.com:88
TCP(HTTP/???) ga####.lotu####.com:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) lh3.googleu####.com:443
TCP(TLS/1.0) www.googlet####.com:443
TCP(TLS/1.0) t####.c####.q####.####.com:443
TCP(TLS/1.0) schedul####.caimi####.com:443
TCP(TLS/1.0) schedul####.w####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) pass####.hs####.com:443
TCP(TLS/1.0) s1-wacd####.b0.a####.com:443
TCP(TLS/1.0) clou####.link####.cn:443
TCP(TLS/1.0) f####.google####.com:443
TCP(TLS/1.0) s####.g.doublec####.net:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) www.google-####.com:443
TCP(TLS/1.0) a####.google####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) doodle-####.app####.com:443
TCP(TLS/1.0) l####.b####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) adser####.go####.com:443
TCP(TLS/1.0) r.hs####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
8.w####.com
a####.google####.com
adser####.go####.com
api.map.b####.com
black####.w####.com
c####.g####.ig####.com
c-h####.g####.com
clou####.link####.cn
co####.w####.com
cr####.w####.com
doodle-####.app####.com
dyn.w####.com
f####.google####.com
f####.gst####.com
ga####.lotu####.com
hd.hs####.com
hm.b####.com
l####.b####.com
lh3.googleu####.com
loc.map.b####.com
mo####.w####.com
on####.lotu####.com
pass####.hs####.com
pub-####.qin####.com
r.hs####.com
s####.g.doublec####.net
s1.w####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
www.go####.com
www.go####.nl
www.google####.com
www.google-####.com
www.googlet####.com
www.gst####.com
www.shandia####.com

HTTP GET requests:

q####.a####.com/trinity/white-list.json
s1-wacd####.b0.a####.com/wis/279/5de9e0734133b453_66x66.png
s1-wacd####.b0.a####.com/wis/371/23402d57f7187679_124x100.png
s1-wacd####.b0.a####.com/wis/371/31ee53cde8f5a0fd_186x150.png
s1-wacd####.b0.a####.com/wis/508/6489dede183352c5_400x250.png
s1-wacd####.b0.a####.com/wis/508/c27cf2c292168f9d_320x200.png
s1-wacd####.b0.a####.com/wis/508/e6012c06a6e95c38_750x172.png
s1-wacd####.b0.a####.com/wis/511/41cfbd9759637894_240x153.png
s1-wacd####.b0.a####.com/wis/511/f61c9568cbfd6236_257x162.png
s1-wacd####.b0.a####.com/wis/513/7825b1e7fa868923_166x105.jpg
s1-wacd####.b0.a####.com/wis/518/0a029e756da7a538_117x117.png
s1-wacd####.b0.a####.com/wis/519/8151371c316e9178_186x150.png
s1-wacd####.b0.a####.com/wis/519/adf984041026820b_186x150.png
s1-wacd####.b0.a####.com/wis/520/558d8b29815c7319_750x240.png
s1-wacd####.b0.a####.com/wis/520/be1d74a703999aa0_750x240.png
s1-wacd####.b0.a####.com/wis/520/cd919ceb9cb72faf_750x240.png
s1-wacd####.b0.a####.com/wis/520/fd9e68c1e20f9cf7_750x240.png
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_TSb400
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
ga####.lotu####.com/?st=####&sv=####
ga####.lotu####.com/?st=####&sv=####&tm=####&sid=LjM####&apn=####&ct=###...
ga####.lotu####.com:88/?mid=####&st=####&sv=####&tm=####&sid=LjM####&apn...
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/-274306497-1525407734
/data/data/####/-692736136925401400
/data/data/####/.jg.ic
/data/data/####/171625249-905163368
/data/data/####/18768074451593096932
/data/data/####/1876807445387044052
/data/data/####/1876807445999398805
/data/data/####/2CD91DE9A0F1D93BFFAEF848DEF79462
/data/data/####/2yHN9QddwRWjkhyTQBtfW6OU2So.1133902239.tmp
/data/data/####/57YC03V6qAlQCzY942JyZAzSXu8.1012488581.tmp
/data/data/####/71C543B6F4A8AB3A012DDA57A15D3B63-0
/data/data/####/7867931ff927
/data/data/####/ACC974A8BCADD6306CA3528D6229B4AE-0
/data/data/####/ApplicationCache.db-journal
/data/data/####/ApplicationCache.db-journal (deleted)
/data/data/####/CDLTijZsV4HSKUtgvKWTt4Emr1Q.-1307920865.tmp
/data/data/####/Pt_Gq173BuhCf5iz1r_Nx46cISg.117509092.tmp
/data/data/####/Pz9pWGcBniaESwsC2ijusVyPqgQ.-1543169484.tmp
/data/data/####/QVA0QHNpk4iY46XHjs-zDUB-5Vk.-1055193867.tmp
/data/data/####/RKStorage-journal
/data/data/####/SdDfcZSq0J6BhGOS5ls7hdvyXI0.-1429147993.tmp
/data/data/####/XEt4SObYd_dL5BEbe3ffeHNfrNI.-614622499.tmp
/data/data/####/app_preferences.xml
/data/data/####/authStatus_com.microfundrn;remote.xml
/data/data/####/caimiapp_prefile.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cdTzgdJeDfWXan18x9fKX7xuOEE.2007961420.tmp
/data/data/####/com.microfundrn-journal
/data/data/####/com.microfundrn_preferences.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/com.wacai.android.skyline.xml
/data/data/####/cpugpuinfo
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/evgrs8-aspzFmy09dVMzARijurw.214808803.tmp
/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/####/finance_cache_preference.xml
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gjj-journal
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/l9NApQuchqsSyaG_rk7MI5bJyRo.-67105302.tmp
/data/data/####/lFyeVEqv6pMc1smiiXp5pbSM6uQ.-410748089.tmp
/data/data/####/lib.point-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu740635304.so
/data/data/####/lotuseed.apps
/data/data/####/lotuseed.lock
/data/data/####/lotuseed.s
/data/data/####/lotuseed.task
/data/data/####/lotuseed_global.xml
/data/data/####/lotuseed_main.xml
/data/data/####/mobclick_agent_cached_com.microfundrn87
/data/data/####/mobclick_agent_user_com.microfundrn.xml
/data/data/####/monitor.db
/data/data/####/monitor.db-journal
/data/data/####/multidex.version.xml
/data/data/####/neutron-cache.info
/data/data/####/pVmgmxBX5aYuaAdiBd2bVjGkoNg.421711308.tmp
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/q-61F8fnJV2h5rmDi5Hm4L-URM4.1600273420.tmp
/data/data/####/r-bopqISXTBzeHz65gmRgldy_oA.136900291.tmp
/data/data/####/run.pid
/data/data/####/sensorsdata.xml
/data/data/####/tab_finance.png
/data/data/####/tab_finance_checked.png
/data/data/####/tab_home.png
/data/data/####/tab_home_checked.png
/data/data/####/tab_loan.png
/data/data/####/tab_loan_checked.png
/data/data/####/tab_mine.png
/data/data/####/tab_mine_checked.png
/data/data/####/tab_server.png
/data/data/####/tab_server_checked.png
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_TSb400
/data/data/####/tdata_TSb400.jar
/data/data/####/trSLPw_ScdV6oeFlmgEqbv_Twq0.-458621768.tmp
/data/data/####/trinity-config.info
/data/data/####/umeng_general_config.xml
/data/data/####/v3ADRUk09bMIkfICi01n5Gt3boo.443175228.tmp
/data/data/####/vdZy_oG6wLmT4HtnDoXLgv-ZzS0.1711908004.tmp
/data/data/####/wDGUun_tAR_Svs-aNFYOEeVq5bw.950096233.tmp
/data/data/####/wacai.host
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/zxquNm51u7tc242W0GAIG0ttFe0.505478208.tmp
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.microfundrn.bin
/data/media/####/com.microfundrn.db
/data/media/####/lotuseed.devid
/data/media/####/tdata_Soq141
/data/media/####/tdata_TSb400
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.wacai.android.providentfundandroidapp.sdk.push.GetuiPushService 24556 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu740635304.so
df
mount
ps
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.wacai.android.providentfundandroidapp.sdk.push.GetuiPushService 24556 300 0

Loads the following dynamic libraries:

getuiext2
libfb
libimagepipeline
libjiagu740635304
libreactnativejni
libyoga
locSDK7b

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding

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.

Gains access to information about running 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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