Android.Backdoor.2300

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) c####.bs.g####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) ga####.lotu####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) a####.umengc####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) app.chen####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a####.umengc####.com
and####.b####.qq.com
and####.cli####.go####.com
api.map.b####.com
app.chen####.com
c####.g####.ig####.com
c-h####.g####.com
ga####.lotu####.com
on####.lotu####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
trac####.m####.p####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ilz707
t####.c####.q####.####.com/tdata_zbA366

HTTP POST requests:

a####.u####.com/app_logs
a####.umengc####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c####.bs.g####.####.com/trackingdata/checkapptracking.htm
c-h####.g####.com/api.php?format=####&t=####
ga####.lotu####.com/?st=####&sv=####&tm=####&sid=AS8####&apn=####&ct=###...
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/05-17_04_52_com.kplus.car_3213
/data/data/####/05-17_04_52_com.kplus.car_ppd_sdk_3244
/data/data/####/05-17_04_52_com.kplus.car_pushservice_3295
/data/data/####/1004
/data/data/####/536cdd43c533
/data/data/####/MultiDex.lock
/data/data/####/a7ea4c6338d1234cec5a76d6bc8e4b86f322b54765a4f86....0.tmp
/data/data/####/authStatus_com.kplus.car.xml
/data/data/####/authStatus_com.kplus.car;ppd_sdk.xml
/data/data/####/authStatus_com.kplus.car;pushservice.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/journal.tmp
/data/data/####/kplus_car
/data/data/####/kplus_car-journal
/data/data/####/kplus_car-journal (deleted)
/data/data/####/kplus_car-shm
/data/data/####/kplus_car-shm (deleted)
/data/data/####/kplus_car-wal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_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/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ilz707
/data/data/####/tdata_ilz707.jar
/data/data/####/tdata_zbA366
/data/data/####/tdata_zbA366.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1558068727256.env
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kplus.car.bin
/data/media/####/com.kplus.car.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/lotuseed.devid
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ilz707
/data/media/####/tdata_zbA366
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GetuiPushService 24280 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount
ps
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GetuiPushService 24280 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_2
Bugly
getuiext2
inet.2.0
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

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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