Android.Backdoor.1010

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) as.lie####.cn:80
TCP(HTTP/1.1) www.e####.cn:80
TCP(HTTP/1.1) c####.360.cn:80
TCP(HTTP/1.1) c.d####.mob.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) cl####.bay####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) pic.e####.cn:80
TCP(HTTP/1.1) s####.ray####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) 1####.26.247.23:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) api.tou####.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) apilo####.a####.com:80
TCP(HTTP/1.1) api.map.b####.com:80
TCP(HTTP/1.1) 1####.43.98.249:80
TCP(TLS/1.0) mal####.in####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) lf.sn####.com:443
TCP(TLS/1.0) ssl.google-####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP(TLS/1.0) api.e####.cn:443
TCP umengj####.m.ta####.com:443
TCP sdk.o####.t####.####.com:5224
TCP 4####.62.94.2:443
TCP 1####.205.160.76:443
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a.e####.cn
ag####.m.ta####.com
amdc####.m.ta####.com
api####.a####.com
api.e####.cn
api.map.b####.com
api.s####.mob.com
api.tou####.com
as.lie####.cn
c####.360.cn
c####.g####.ig####.com
c-h####.g####.com
c.appj####.com
c.d####.mob.com
cl####.bay####.com
d####.d####.mob.com
lf.sn####.com
m.d####.mob.com
mal####.in####.com
pic.e####.cn
plb####.u####.com
pub-####.qin####.com
regi####.xm####.xi####.com
reso####.msg.xi####.net
s####.ray####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.google-####.com
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com
www.e####.cn

HTTP GET requests:

a.e####.cn/public/getClickUrlPoList.shtml?lng=####&sd=####&screenheight=...
a.e####.cn/public/getStartUpImage.shtml?height=####&width=####&lng=####&...
a.e####.cn/public/rab.shtml?id=####&network=####&machine=####
a.e####.cn/public/setMachineUa.shtml?lng=####&sd=####&screenheight=####&...
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
api.map.b####.com/location/ip?ak=####&coor=####
api.map.b####.com/location/ip?ak=####&qq-pf-to=####&machine=####&version...
api.tou####.com/ad/track?data=####
as.lie####.cn/v2/forward/imp/ch/25?version=####&sspaid=####&sid=####&gui...
cl####.bay####.com/terminal/adRequest/listener.do?t=####&data=####
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
pic.e####.cn/web/242249312.jpg!s4
pic.e####.cn/web/259686436.jpg!s1
pic.e####.cn/web/260134293.jpg!m3
pic.e####.cn/web/260134305.jpg!m3
pic.e####.cn/web/260134306.jpg!m3
pic.e####.cn/web/260134307.jpg!m3
pic.e####.cn/web/260134308.jpg!m3
pic.e####.cn/web/260134309.jpg!m3
pic.e####.cn/web/260220339.jpg!m720
pic.e####.cn/web/260220408.jpg!m720
pic.e####.cn/web/48434951.jpg!m3
reso####.msg.xi####.net/gslb/?ver=####&type=####&conpt=####&uuid=####&li...
s####.ray####.com/impression?k=####&p=####&q=a_i09####&x=####&r=####&al=...
s####.ray####.com/impression?k=####&p=fHx8f####&q=a_i09####&x=####&r=###...
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_LhB659
t####.c####.q####.####.com/tdata_SzD730
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.e####.cn/resources/onlineteach/images/start_33x30.png

HTTP POST requests:

a####.exc.mob.com/errconf
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/log4
api.s####.mob.com/snsconf
apilo####.a####.com/v3/log/init
c####.360.cn/stra_packet
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
c.d####.mob.com/v3/cdata
d####.d####.mob.com/dgen
d####.d####.mob.com/dinfo
d####.d####.mob.com/dsign
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgrpa.xml
/data/data/####/.lock
/data/data/####/.log.lock
/data/data/####/.log.rpa
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/20583f49e1fd70d3a852855f26fb382d2c3ebea6e6eebba....0.tmp
/data/data/####/205b02cdac7a592ffba28654eae29bc8cb44a3e57771aa1....0.tmp
/data/data/####/43a5c01e7c581edf9e355b99aa1d982289e82fd1a81609c....0.tmp
/data/data/####/446876fff9ee437e7f5cf5e6ee2535d762b9eedb3780b18....0.tmp
/data/data/####/782a9938f843973f5dbaf260c69167aab2b54d70687ee53....0.tmp
/data/data/####/ACCS_BINDumeng;4f84d47f527015462b00002a.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/ACCS_SDK_CHANNEL.xml.bak
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/UserAgent.xml
/data/data/####/XMPushServiceConfig.xml
/data/data/####/a773577f7834
/data/data/####/a==7.3.2&&13.8.9_1522754799163_envelope.log
/data/data/####/accs.db-journal
/data/data/####/ad_show_time.xml
/data/data/####/agoo.pid
/data/data/####/b1c00fd3abcb97eacd94aaa40cd37a8bb7f785d8c48e078....0.tmp
/data/data/####/cn.ecook.xml
/data/data/####/cn.ecook;pushservice
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/d==7.3.2&&13.8.9_1522754799342_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754804802_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754814775_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754832353_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754837940_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754839244_envelope.log
/data/data/####/d==7.3.2&&13.8.9_1522754851953_envelope.log
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/eudemon
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/gaClientId
/data/data/####/gdaemon_20161017
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/google_analytics_v4.db-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&13.8.9_1522754798198_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/journal.tmp
/data/data/####/last_know_location.xml
/data/data/####/libjiagu-1002325160.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/pref_registered_pkg_names.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/tdata_LhB659
/data/data/####/tdata_LhB659.jar
/data/data/####/tdata_SzD730
/data/data/####/tdata_SzD730.jar
/data/data/####/teachdatabase-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.al
/data/media/####/.artc_lock
/data/media/####/.cca.dat
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.nomedia
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.umm.dat
/data/media/####/363da252b340444bb2fd3f7b3bd6002f
/data/media/####/3805bbd9f8474fb49bbf46e48afc122c
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/cn.ecook.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/d6d63bf4456d4c818810a3a29f40df24
/data/media/####/deviceToken
/data/media/####/ed69d8b5920a45f69593867b6af832bd
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/log.lock
/data/media/####/log1.txt
/data/media/####/tdata_LhB659
/data/media/####/tdata_SzD730
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/DaemonServer -s <Package Folder>/lib/ -n runServer -p startservice -n <Package>/com.taobao.accs.ChannelService --user 0 -f <Package Folder> -t 600 -c agoo.pid -P <Package Folder> -K 1009527 -U tb_accs_eudemon_1.1.3 -L http://agoodm.m.taobao.com/agoo/report -D {"package":"<Package>","appKey":"umeng:4f84d47f527015462b00002a","utdid":"WsNk7qV17jQDAGdzx1GQlZCf","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 23784 300 0
app_process /system/bin com.android.commands.pm.Pm list packages
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1002325160.so
grep -E -v root|shell|system
ls /
ls /sys/class/thermal
mount
pm list packages
sh
top -d 0 -n 1

Loads the following dynamic libraries:

getuiext2
libjiagu-1002325160
pldroidplayer
tnet-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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 APN settings.

Gains access to information about installed applications.

Gains access to information about running applications.

Gains access to information about accounts (Google, Facebook, etc.) registered on the device.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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