Android.BackDoor.1011

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.BackDoor.360

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) zhg.ali####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) c####.bs.g####.####.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) schedul####.w####.com:443
TCP(TLS/1.0) d####.fl####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) sh.wagbr####.ta####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
8.w####.com
ad####.m.ta####.com
ada####.m.ta####.com
bcfeed####.ta####.com
black####.w####.com
c####.g####.ig####.com
c-h####.g####.com
co####.w####.com
cr####.w####.com
d####.fl####.com
d.ispser####.cc
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.growi####.com
trac####.m####.p####.com
www.w####.com
y####.al####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
t####.c####.q####.####.com/tdata_asl709
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c####.bs.g####.####.com/trackingdata/checkapptracking.htm
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
zhg.ali####.com/saveWb.json

Modified file system:

Creates the following files:

/data/anr/traces.txt
/data/data/####/-1470834601-1111248644
/data/data/####/-1760617689947167793
/data/data/####/-412244070-602110447
/data/data/####/-41224407041950989
/data/data/####/-512844107
/data/data/####/-692736136925401400
/data/data/####/-709365619
/data/data/####/-835129394
/data/data/####/.YFlurrySenderIndex.info.AnalyticsData_C6TCD53S...QX_216
/data/data/####/.YFlurrySenderIndex.info.AnalyticsMain
/data/data/####/.yflurrydatasenderblock.416b3883-93a6-45d8-bd82...b9f02b
/data/data/####/.yflurrydatasenderblock.4332df49-613e-4abb-9157...315354
/data/data/####/.yflurrydatasenderblock.aeb61f27-6be2-480d-a46c...03f303
/data/data/####/.yflurryreport.-1ff685a8c7ebaaec
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1066007779
/data/data/####/1522752910425-IS_SILENT.stacktrace
/data/data/####/1716252491368276952
/data/data/####/2CD91DE9A0F1D93BFFAEF848DEF79462
/data/data/####/692307685-2096678983
/data/data/####/761561561481284856
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/FLURRY_SHARED_PREFERENCES.xml
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/UTCommon.xml
/data/data/####/android_resources.jar
/data/data/####/android_service_global.xml
/data/data/####/ap.Lock
/data/data/####/app_preferences.xml
/data/data/####/caimiapp_prefile.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.caimi.creditcard_preferences.xml
/data/data/####/cpugpuinfo
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/finance_cache_preference.xml
/data/data/####/finances_sdk_user_profile.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/growing.db-journal
/data/data/####/growing_profile.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kuaidai.so-journal
/data/data/####/lib.point-journal
/data/data/####/libjiagu-686604187.so
/data/data/####/libsgmainso-5.1.81.so.tmp
/data/data/####/lock.lock
/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/####/monitor.db
/data/data/####/monitor.db-journal
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushSdkFile.xml
/data/data/####/pushext.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/sdk.baa.app.xml
/data/data/####/sdk.baa.user.xml
/data/data/####/sdk.taobao.app.xml
/data/data/####/sdk.taobao.user.xml
/data/data/####/sp.lock
/data/data/####/support_banks.json
/data/data/####/swbridge
/data/data/####/tdata_asl709
/data/data/####/tdata_asl709.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/uid0auto_show_banks.json
/data/data/####/uid0cache_bill_list
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/webview.db-journal
/data/data/####/wersdk.xml
/data/data/####/ywPrefsTools.xml
/data/media/####/.nomedia
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/b9a01ebee04561a829f8add52e211a22
/data/media/####/com.caimi.creditcard.bin
/data/media/####/com.caimi.creditcard.db
/data/media/####/com.caimi.creditcard.install
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dd7893586a493dc3
/data/media/####/hid.dat
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/lotuseed.devid
/data/media/####/tdata_asl709
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.wacai.android.pushsdk.service.GeTuiPushService 24971 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-686604187.so
ps
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.wacai.android.pushsdk.service.GeTuiPushService 24971 300 0

Loads the following dynamic libraries:

getuiext2
key
libjiagu-686604187
sgmainso-5.1
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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.

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