Android.Backdoor.2062

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) rtb.m####.net:80
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) 1####.11.61.135:80
TCP(HTTP/1.1) api.e####.cn:80
TCP(HTTP/1.1) p####.tc.qq.com:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) g.x.cn.####.com:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) 47.1####.44.93:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) pic.ange####.cn:80
TCP(HTTP/1.1) 1####.11.61.137:80
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) ssl.google-####.com:443

DNS requests:

a.e####.cn
ag####.m.ta####.com
amdc####.m.ta####.com
and####.cli####.go####.com
api.e####.cn
g.x.cn.####.com
imgc####.qq.com
mi.g####.qq.com
pic.ange####.cn
rtb.m####.net
s####.e.qq.com
ssl.google-####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

a.e####.cn/public/getClickUrlPoList.shtml?lng=####&sd=####&screenheight=...
a.e####.cn/public/rab.shtml?id=####&network=####&machine=####
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
api.e####.cn/public/getSecondaryHomeData.shtml?machine=####&version=####...
g.x.cn.####.com/x.gif?bb=####&gg=####&be=####&bf=####&os=####&m2=####&ci...
mi.g####.qq.com/gdt_mview.fcg?actual_width=####&count=####&r=####&templa...
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
pic.ange####.cn/web/223279638.jpg!m5
pic.ange####.cn/web/253478354.jpg!m5
pic.ange####.cn/web/256409794.jpg!m5
pic.ange####.cn/web/257056593.jpg!m3
pic.ange####.cn/web/257430093.jpg!m5
pic.ange####.cn/web/258018477.jpg!s4
pic.ange####.cn/web/258779609.jpg!m5
pic.ange####.cn/web/262382204.jpg!m5
pic.ange####.cn/web/262463860.jpg!m5
pic.ange####.cn/web/262616798.jpg!m5
pic.ange####.cn/web/262618261.jpg!m5
pic.ange####.cn/web/262619366.jpg!m5
pic.ange####.cn/web/262643803.jpg!m5
pic.ange####.cn/web/44825644.jpg!m5
rtb.m####.net/vw?info=CN####&wp=####

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
s####.e.qq.com/activate

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/4300.yaqcookie
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AdloadStore.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/Ji.xml
/data/data/####/MessageStore.db
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db
/data/data/####/MsgLogStore.db-journal
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/cn.ecook.xml
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2MjE4MzY0Nzk3;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/dexMethod.68778890.dat
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fc241671d7c888e1339116c0338fdb77.xml
/data/data/####/gaClientId
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_plugin.tmp.sig
/data/data/####/gdt_suid
/data/data/####/google_analytics_v4.db
/data/data/####/google_analytics_v4.db-journal
/data/data/####/i==1.2.0&&3.30.36_1546218364947_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/libjiagu1716536324.so
/data/data/####/libyaqbasic.68778890.so
/data/data/####/libyaqpro.68778890.so
/data/data/####/log.android.library.xml
/data/data/####/lonLat.xml
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/multidex.version.xml
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/ua.db
/data/data/####/ua.db-journal
/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/####/update_lc
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/yaqsdkcookie
/data/media/####/.nomedia
/data/media/####/1hsi0aifygs2k94em84ow5d6c.tmp
/data/media/####/1zc9xbm3jr00551jlvra8pgd8.tmp
/data/media/####/2pfif5aav2872we1si2c2hgom.tmp
/data/media/####/405b1ck9k4q2e5rk9vbxr2zf.tmp
/data/media/####/4ealshrszq7npmeynobven1mh.tmp
/data/media/####/4nvq4794qlgphb2qgqs42djgn.tmp
/data/media/####/4r9lo5up1x1milrxjs6ce958s.tmp
/data/media/####/5c0rs5y3xhxy5a5dyrp2h0lxa.tmp
/data/media/####/5n41e9kwqh35zgkjecehkvrrj.tmp
/data/media/####/5qnk9eqgurt1mpjr7e3krbxjy.tmp
/data/media/####/5tuane5bqcom87ltpx9d5prnv.tmp
/data/media/####/6nu4ffhcmdykl32cq4fuz3xv6.tmp
/data/media/####/7h86xiq05wiertjny5civabjp.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/inapp_20181231.log
/data/media/####/wlzcndxlog6lo1j61gvajpe5.tmp

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<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:598d5b19a40fa3247a0019c0","utdid":"XClraPzup3kDAGdzx1Fdg7vG","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
grep 4300
ls /sys/class/thermal
ps
sh

Loads the following dynamic libraries:

libjiagu1716536324
libyaqbasic.68778890
libyaqpro.68778890
tnet-3.1

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding

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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