Android.Backdoor.1891

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) c.appj####.com:80
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) c####.360.cn:80
TCP(HTTP/1.1) p####.tc.qq.com:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) api.map.b####.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) ssl.google-####.com:443

DNS requests:

a.e####.cn
api.e####.cn
api.map.b####.com
c####.360.cn
c.appj####.com
imgc####.qq.com
mi.g####.qq.com
p####.ugd####.com
plb####.u####.com
s####.e.qq.com
ssl.google-####.com
u####.u####.com
u####.umengc####.com

HTTP GET requests:

a.e####.cn/public/getClickUrlPoList.shtml?lng=####&sd=####&screenheight=...
a.e####.cn/public/isDebugAd.shtml?ts=####&appid=####&sign=####
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
mi.g####.qq.com/gdt_mview.fcg?posw=####&spsa=####&posh=####&count=####&r...
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
s####.tc.qq.com/gdt/0/DAAfs1OAKAAPAABRBb1rdRBrJx9-c2.jpg/0?ck=####

HTTP POST requests:

api.map.b####.com/location/ip?ak=####&coor=####
c####.360.cn/stra_packet
c.appj####.com/ad/splash/stats.html
s####.e.qq.com/activate
s####.e.qq.com/launch

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgrpa.xml
/data/data/####/.log.lock
/data/data/####/.log.rpa
/data/data/####/2561.yaqcookie
/data/data/####/2656.yaqcookie
/data/data/####/2742.yaqcookie
/data/data/####/27af684a04c1f71bc8b08e0c8d2f6215.xml
/data/data/####/3031.yaqcookie
/data/data/####/3132.yaqcookie
/data/data/####/3232.yaqcookie
/data/data/####/3333.yaqcookie
/data/data/####/3618.yaqcookie
/data/data/####/3816.yaqcookie
/data/data/####/3916.yaqcookie
/data/data/####/6a5fbe4f5612dcaa4f91b64865a9f163.temp
/data/data/####/AdloadStore.xml
/data/data/####/Alvin2.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/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/####/ad_show_time.xml
/data/data/####/cn.ecook.xml
/data/data/####/collectiondatabase
/data/data/####/collectiondatabase-journal
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTU2MzE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTUzMzY0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTY2MjIz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTY3Nzg3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTYwNTIz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTYzMDA2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTc2NTcx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTcyMDY0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTg2NTEx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTg4NjAy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTgxMDUy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTgzNzM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTk2NDE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTkwODgw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIxOTkzOTkw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIyMDE0MjE1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIyMDI3NTU4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIyMDIxNzM1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxODIyMDM0MTc3;
/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.82894129.dat
/data/data/####/ecookdatabase
/data/data/####/ecookdatabase-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gaClientId
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/google_analytics_v4.db
/data/data/####/google_analytics_v4.db-journal
/data/data/####/i==1.2.0&&4.31.50_1541821953444_envelope.log
/data/data/####/i==1.2.0&&4.31.50_1541821986560_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/libjiagu2063946030.so
/data/data/####/libyaqbasic.82894129.so
/data/data/####/libyaqpro.82894129.so
/data/data/####/log.android.library.xml
/data/data/####/lonLat.xml
/data/data/####/multidex.version.xml
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/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_general_config.xml.bak (deleted)
/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-journal
/data/data/####/yaqsdkcookie
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/sysid.dat

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
cat /sys/class/net/wlan0/address
ls /sys/class/thermal

Loads the following dynamic libraries:

libjiagu2063946030
libyaqbasic.82894129
libyaqpro.82894129

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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 APN settings.

Gets information about installed apps.

Gets information about running apps.

Displays its own windows over windows of other apps.

Tecnologie

Termini

Formazione ed informazione

Falsi miti

Technical information

Curing recommendations

Free trial