Android.BackDoor.3143

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.564.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) s####.j####.cn:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) s####.chedian####.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) d####.part-####.t-####.####.net:80
TCP(TLS/1.0) def####.duals####.cn.####.com:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) s####.chedian####.com:443
TCP(TLS/1.0) r####.tc.qq.com:443
TCP(TLS/1.0) cdd-st####.b0.a####.com:443
TCP(TLS/1.0) a1.eas####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.2) md####.google####.com:443
TCP(TLS/1.2) 2####.85.233.113:443
TCP(TLS/1.2) 1####.177.14.94:443
TCP 1####.9.36.241:7000
UDP md####.google####.com:443
UDP s.j####.cn:19000

DNS requests:

a####.chedian####.com
a####.chedian####.com
a####.chedian####.com.####.8
a####.chedian####.com.####.8
a####.eas####.com
a####.u####.com
a1.eas####.com
api.map.b####.com
cdd-sta####.chedian####.com
loc.map.b####.com
log.u####.com
m.chedian####.com
md####.google####.com
oc.u####.com
p####.google####.com
pla####.google####.com
r####.wx.qq.com
rs.eas####.com
s####.chedian####.com
s####.j####.cn
s####.u####.com
s####.u####.com.####.8
s.j####.cn
sis.j####.io
tg.t####.com.cn

HTTP GET requests:

d####.part-####.t-####.####.net/easemob/server.json?sdk_version=####&app...
def####.duals####.cn.####.com:443/bar/get/538001c256240b4c31000369/?ud_g...
s####.chedian####.com/api/listAutoBrand

HTTP POST requests:

a####.u####.com/app_logs
a1.eas####.com:443/hzwanglan/chediandian/devices
api.map.b####.com:443/sdkcs/verify
loc.map.b####.com/sdk.php
oc.u####.com/v2/check_config_update
oc.u####.com/v2/get_update_time
s####.j####.cn/v2/report

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/0d69d7dbf29c977d_0
/data/data/####/14c9290c495f3a7c_0
/data/data/####/14c9290c495f3a7c_1
/data/data/####/1691329589455.log
/data/data/####/276c8ee444a5cb24_0
/data/data/####/276c8ee444a5cb24_1
/data/data/####/2d2ae1f63c231629_0
/data/data/####/366aacd2efdc807e_0
/data/data/####/383f1a307434d5ff_0
/data/data/####/6b35497d28f814a0_0
/data/data/####/6d3b0f0e2f6359a3_0
/data/data/####/91d94d7c6a5708d0_0
/data/data/####/91d94d7c6a5708d0_1
/data/data/####/AppInfo.xml
/data/data/####/Cookies-journal
/data/data/####/JPushSA_Config.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/aa32176db885da32_0
/data/data/####/abf472e7b60c2f10_0
/data/data/####/ae41951571a45513_0
/data/data/####/ae41951571a45513_1
/data/data/####/authStatus_com.chediandian.app.xml
/data/data/####/authStatus_com.chediandian.app;remote.xml
/data/data/####/b0d0d4f277aa86e3_0 (deleted)
/data/data/####/b5f25bb4618cc679_0
/data/data/####/c00b9195a2dcf29a_0
/data/data/####/c73d9b9ab20aabd0_0
/data/data/####/c73d9b9ab20aabd0_1
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/cn.jpush.preferences.v2.xml.bak
/data/data/####/com.chediandian.app_preferences.xml
/data/data/####/config.db-journal
/data/data/####/config.json
/data/data/####/device_id.xml.xml
/data/data/####/dfd184aec1cac720_0
/data/data/####/dfd184aec1cac720_1
/data/data/####/disk_entries_list_image_cache_736961567.xml
/data/data/####/exchangeIdentity.json
/data/data/####/firll.dat
/data/data/####/index
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_local_notification.db
/data/data/####/jpush_local_notification.db-journal
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mac.xml
/data/data/####/metrics_guid
/data/data/####/mobclick_agent_cached_com.chediandian.app124
/data/data/####/onlineconfig_agent_online_setting_com.chediandian.app.xml
/data/data/####/proc_auxv
/data/data/####/profile
/data/data/####/server.json
/data/data/####/the-real-index
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/umeng_socialize.xml.bak
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/1iy2ijqnf63j2z7zmb1hmszy2
/data/media/####/25cxi3qk07k2z34lue7dknyjq
/data/media/####/44iulu7st62eyfv98fwx7da33
/data/media/####/easemob.log
/data/media/####/ib6jw2kexjhbl4yvfywj9fya
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

cat /sys/class/net/wlan0/address
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so

Loads the following dynamic libraries:

libBaiduMapSDK_base_v4_1_1
libhyphenate
libjiagu
libjpush210
liblocSDK7

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
DES-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Manages Wi-Fi connectivity.

Requests the system alert window permission.

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