Android.Backdoor.1807

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) gou####.b####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(HTTP/1.1) s####.j####.cn:80
TCP(HTTP/1.1) cdd-####.b0.upa####.com:80
TCP(HTTP/1.1) api.chedian####.com:80
TCP(HTTP/1.1) cdd-st####.b0.upa####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) tg.t####.com.cn:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) ga####.lotu####.com:80
TCP(TLS/1.0) thi####.q####.cn:443
TCP(TLS/1.0) cdd-####.b0.upa####.com:443
TCP(TLS/1.0) cdd-st####.b0.upa####.com:443
TCP(TLS/1.0) s####.map.b####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) 2####.58.212.142:443
TCP(TLS/1.0) tag.b####.com:443
TCP(TLS/1.0) 1####.217.20.110:443
TCP 1####.230.236.28:7011
UDP easytom####.com:80
UDP easytom####.com:19000
UDP s.j####.cn:80
UDP s.j####.cn:19000

DNS requests:

a####.u####.com
api.chedian####.com
cd####.b0.upa####.com
cdd####.b0.upa####.com
cdd-####.b0.upa####.com
cdd-st####.b0.upa####.com
easytom####.com
ga####.lotu####.com
gou####.b####.com
hm.b####.com
loc.map.b####.com
mt####.go####.com
oc.u####.com
on####.lotu####.com
r####.wx.qq.com
s####.chedian####.com
s####.j####.cn
s####.map.b####.com
s.j####.cn
sis.j####.io
tag.b####.com
tg.t####.com.cn
thi####.q####.cn

HTTP GET requests:

api.chedian####.com/CommunityFPage.ashx?pageindex=####&pagesize=####&sig...
api.chedian####.com/GetProvinceInfo.ashx
api.chedian####.com/StartUpShow.ashx?cityname=####&province=####
cdd-####.b0.upa####.com/IP0292C58C5A27FB1581CBFADAF9.jpg_xhdpi.f
cdd-####.b0.upa####.com/banner/xbs.jpg
cdd-####.b0.upa####.com/community_bg.jpg_xhdpi
cdd-st####.b0.upa####.com/statics/tongji.js
gou####.b####.com/site/584/c4a91ad8fb2234be72208c50e5addef9/b.js?siteId=...
s####.tc.qq.com/open/js/jweixin-1.0.0.js
tg.t####.com.cn/Content/public/public.css
tg.t####.com.cn/Content/reset/reset.css
tg.t####.com.cn/Firstpage300.ashx?cityname=####&province=####&ucoordX=##...
tg.t####.com.cn/GetActivitlist.ashx?pageindex=####&pagesize=####&type=##...
tg.t####.com.cn/Images/public/regedit/reg_slider_new_10yuan.png
tg.t####.com.cn/Images/public/regedit/reg_slider_new_none.png
tg.t####.com.cn/Scripts/public/pubic.js
tg.t####.com.cn/api/listAutoBrand
tg.t####.com.cn/content/public.css
tg.t####.com.cn/home/ticket?click=####&city=####&province=####&st=####&t...
tg.t####.com.cn/js/clientFunction.js?ver=####
tg.t####.com.cn/js/jquery-1.9.1.min.js
tg.t####.com.cn/js/public.js?ver=####
tg.t####.com.cn/js/queryString.js?ver=####
tg.t####.com.cn/js/sharePageInfo.js?ver=####

HTTP POST requests:

a####.u####.com/app_logs
ga####.lotu####.com/?st=####&sv=####&tm=####&sid=6iI####&apn=####&ct=###...
oc.u####.com/v2/check_config_update
oc.u####.com/v2/get_update_time
s####.j####.cn/v2/report
tg.t####.com.cn/Home/PicByCity

Modified file system:

Creates the following files:

/data/data/####/-597289520-1145853837
/data/data/####/.imprint
/data/data/####/.lostjiagu
/data/data/####/1178852017-1757350330
/data/data/####/12270780231021854084
/data/data/####/1270688892
/data/data/####/1345473751
/data/data/####/1636324176194222154
/data/data/####/361010064995944426
/data/data/####/AppInfo.xml
/data/data/####/CMRequire.dat
/data/data/####/DVDirectory.cfg
/data/data/####/DVHotMap.cfg
/data/data/####/DVHotcity.cfg
/data/data/####/DVVersion.cfg
/data/data/####/ItemTetData.txt
/data/data/####/JPushSA_Config.xml
/data/data/####/PrefsFile
/data/data/####/ResPack.rs
/data/data/####/VerDatset.dat
/data/data/####/WebViewSettings.xml
/data/data/####/authStatus_com.chediandian.app.xml
/data/data/####/authStatus_com.chediandian.app;remote.xml
/data/data/####/cn.jpush.serverconfig.xml
/data/data/####/com.chediandian.app_preferences.xml
/data/data/####/config.db-journal
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/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/####/libjiagu.so
/data/data/####/lotuseed.apps
/data/data/####/lotuseed.s
/data/data/####/lotuseed.task
/data/data/####/lotuseed_global.xml
/data/data/####/mapstyle.sty
/data/data/####/mobclick_agent_cached_com.chediandian.app44
/data/data/####/mobclick_agent_online_setting_com.chediandian.app.xml
/data/data/####/offinfo.dat
/data/data/####/rep.db-journal
/data/data/####/satellitestyle.sty
/data/data/####/statistics_config.xml
/data/data/####/trafficstyle.sty
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ver.dat
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.cuid
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/181az4cow4lfbie607j7nj2ge
/data/media/####/1nppkhs5zp81arnzqbj1wbp83
/data/media/####/2y5trs06igm3gqq9fl774udnc
/data/media/####/3cqk0q6p44mxt38957ilsvn7c
/data/media/####/3ud9arnwqhm4b1ukq58f9pw9u
/data/media/####/4k73rmjpjm5xghwc7atxu1jb2
/data/media/####/4xuj4uz9vda4yzvuco8p1nwnr
/data/media/####/configure2.txt
/data/media/####/ldkb63rl1ds5g265kvgyktkm
/data/media/####/lotuseed.devid
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next shell scripts:

Loads the following dynamic libraries:

BaiduMapSDK_v3_3_0_15
jpush175
libjiagu
locSDK5

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
DES-CBC-PKCS5Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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