Android.BackDoor.2778

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.564.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) tinychi####.q####.com.####.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(TLS/1.0) schedul####.w####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) sh.wagbr####.ta####.com:443
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.u####.com
ad####.m.ta####.com
ada####.m.ta####.com
api.map.b####.com
bcfeed####.ta####.com
black####.w####.com
cm-1####.g####.com
co####.w####.com
cr####.w####.com
microse####.w####.com
mo####.w####.com
sdk.c####.g####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.growi####.com
wb.110.ta####.com
www.w####.com
y####.al####.com

HTTP GET requests:

tinychi####.q####.com.####.com/config/hzv9.conf

HTTP POST requests:

a####.u####.com/app_logs
ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/-1561305332-1986253967
/data/data/####/-18514800091783728446
/data/data/####/-1971873514-1337906143
/data/data/####/-412244070-602110447
/data/data/####/-512844107
/data/data/####/-709365619
/data/data/####/-79081908715765256
/data/data/####/-835129394
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1053358291648218274
/data/data/####/1066007779
/data/data/####/1d77ea041509fe06.lock
/data/data/####/21c22f492aba3de8.lock
/data/data/####/2CD91DE9A0F1D93BFFAEF848DEF79462
/data/data/####/326977021-1477363862
/data/data/####/692307685-2096678983
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/UTCommon.xml
/data/data/####/ap.Lock
/data/data/####/app_preferences.xml
/data/data/####/authStatus_com.caimi.creditcard;remote.xml
/data/data/####/caimiapp_prefile.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.caimi.creditcard-journal
/data/data/####/com.caimi.creditcard_preferences.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/com.wacai.android.skyline.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/####/getui_sp.xml
/data/data/####/growing.db-journal
/data/data/####/growing_profile.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kuaidai.so-journal
/data/data/####/lib.point-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu-686604187.so
/data/data/####/libsgmainso-5.1.81.so.tmp
/data/data/####/lock.lock
/data/data/####/monitor.db
/data/data/####/monitor.db-journal
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushSdkFile.xml
/data/data/####/pushsdk.db-journal
/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/####/sensorsdata.xml
/data/data/####/sharePreferencePatch.xml
/data/data/####/sp.lock
/data/data/####/swbridge
/data/data/####/ua.db
/data/data/####/ua.db-journal
/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/####/ywPrefsTools.xml
/data/media/####/.SDCardSerialNumber
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/com.caimi.creditcard.bin
/data/media/####/com.caimi.creditcard.install
/data/media/####/dd7893586a493dc3

Miscellaneous:

Loads the following dynamic libraries:

c++_shared
getuiext2
libjiagu-686604187
mmkv
sgmainso-5.1
ut_c_api

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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