Android.Backdoor.2301

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) schedul####.w####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) ga####.lotu####.com:80
TCP(HTTP/1.1) h####.opensp####.cn:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) a####.umengc####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) d####.opensp####.cn:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) schedul####.w####.com: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
api.map.b####.com
black####.w####.com
c####.g####.ig####.com
c-h####.g####.com
d####.opensp####.cn
ga####.lotu####.com
h####.opensp####.cn
l####.tbs.qq.com
loc.map.b####.com
mo####.w####.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
wjz.w####.com

HTTP GET requests:

h####.opensp####.cn/launchconfig?t=####&p=####
qin####.com.www.####.com/tdata_EDT369
schedul####.w####.com/client/api/getAppSwitch?token=####&key=####&versio...
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Gfv491
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_ZvO248
t####.c####.q####.####.com/tdata_zzW503

HTTP POST requests:

a####.u####.com/app_logs
a####.umengc####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
d####.opensp####.cn/index.php/clientrequest/clientcollect/isCollect
ga####.lotu####.com/?st=####&sv=####&tm=####&sid=ZzU####&apn=####&ct=###...
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/sdk.php
schedul####.w####.com/appActive
schedul####.w####.com/client/api/sendlog
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/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1558133719742-IS_SILENT.stacktrace
/data/data/####/1558133721202-IS_SILENT.stacktrace
/data/data/####/1558133721404-IS_SILENT.stacktrace
/data/data/####/1bed63cca338
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/app_preferences.xml
/data/data/####/app_setting.xml
/data/data/####/authStatus_com.kunxun.wjz.xml
/data/data/####/authStatus_com.kunxun.wjz;acra.xml
/data/data/####/authStatus_com.kunxun.wjz;deamon.xml
/data/data/####/authStatus_com.kunxun.wjz;pushservice.xml
/data/data/####/authStatus_com.kunxun.wjz;remote.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.iflytek.id.xml
/data/data/####/com.iflytek.msc.xml
/data/data/####/com.kunxun.wjz_preferences.xml
/data/data/####/core_info
/data/data/####/cpugpuinfo
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/ifly_launch_lib.xml
/data/data/####/iflytek_state_com.kunxun.wjz.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/lib.point-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.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/####/lotuseed_main.xml (deleted)
/data/data/####/monitor.db
/data/data/####/monitor.db-journal
/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/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_Gfv491
/data/data/####/tdata_Gfv491.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_ZvO248
/data/data/####/tdata_ZvO248.jar
/data/data/####/tdata_zzW503
/data/data/####/tdata_zzW503.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1558133720488.env
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/userinfo_filename.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/wjzdb
/data/data/####/wjzdb-journal
/data/media/####/.2F6E2C5B63F0F83B
/data/media/####/.SDCardSerialNumber
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/1eculln5i5md1he915wtq17gf.0.tmp
/data/media/####/2gu29p259m95xakjmtbrgbt8r.0.tmp
/data/media/####/46fx4lughhs7j9f8rexhuwx9l.0.tmp
/data/media/####/48ynte60dg0pmy34wpqj3v496.0.tmp
/data/media/####/565sf29h66h9dxcteim7xygai.0.tmp
/data/media/####/5mrulxox50jsjydnl0viqdkrw.0.tmp
/data/media/####/6l170n2pmvhvfc4dz2904b953.0.tmp
/data/media/####/6v0wle1ktxxo7k7u2i7m2i45f.0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kunxun.wjz.bin
/data/media/####/com.kunxun.wjz.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/iflyworkdir_test
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/lotuseed.devid
/data/media/####/sj6czsgk7x49pv7s3htzjnwk.0.tmp
/data/media/####/tdata_Gfv491
/data/media/####/tdata_MkX219
/data/media/####/tdata_ZvO248
/data/media/####/tdata_zzW503
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.common.GetuiPushService 24439 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
df
getprop ro.product.cpu.abi
mount
ps
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.common.GetuiPushService 24439 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_2_1
getuiext2
libjiagu
locSDK7a
msc

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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