Android.BackDoor.2514

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) pic.ange####.cn:80
TCP(HTTP/1.1) m.e####.cn:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) 47.1####.40.225:80
TCP(HTTP/1.1) a.a####.qq.com:80
TCP(HTTP/1.1) api.e####.cn:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) isds####.qq.com:443
TCP(TLS/1.0) x####.tc.qq.com:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP(TLS/1.0) a.a####.qq.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.0) sf3-ttc####.ps####.com:443
TCP(TLS/1.0) o####.ssd.i####.####.com:443
TCP(TLS/1.0) otherbd####.x2s####.t####.####.com:443
TCP(TLS/1.0) m.e####.cn:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) msg.umengc####.com:443
TCP(TLS/1.2) 1####.217.20.78:443
TCP(TLS/1.2) p####.google####.com:443
TCP zb-cent####.m.ta####.com:80
TCP zb-cent####.m.ta####.com:443

DNS requests:

3####.qq.com
a####.man.aliy####.com
a.a####.qq.com
a.e####.cn
amdc####.m.ta####.com
and####.google####.com
api.e####.cn
cms.g####.com
ex####.sn####.com
instant####.google####.com
is.sn####.com
isds####.qq.com
m####.go####.com
m.e####.cn
msg.umengc####.com
p####.google####.com
pic.ange####.cn
ping####.qq.com
plb####.u####.com
pp.m####.com
q####.qq.com
safebro####.google####.com
sf1-ttc####.ps####.com
sf3-ttc####.ps####.com
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

a.a####.qq.com/o/simple.jsp?pkgname=####&g_f=####
a.e####.cn/favicon.ico
a.e####.cn/public/getClickUrlPoList.shtml?sd=####&androidid=####&sign=##...
a.e####.cn/public/getCommonInformationAd.shtml?sd=####&androidid=####&si...
a.e####.cn/public/getCommonStartUpAd.shtml?sd=####&androidid=####&sign=#...
a.e####.cn/public/rab.shtml?id=####&network=####&machine=####
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
api.e####.cn/public/getSecondaryHomeData.shtml?app=####&machine=####&app...
api.e####.cn/public/getSecondaryHomeData.shtml?machine=####&appid=####&t...
m.e####.cn/app/download
pic.ange####.cn/web/258755126.jpg!m720
pic.ange####.cn/web/258794635.jpg
pic.ange####.cn/web/260324425.jpg!m720
pic.ange####.cn/web/262667004.jpg!m720
pic.ange####.cn/web/262953618.jpg!m720
pic.ange####.cn/web/263771002.jpg!m720
sf1-ttc####.ps####.com/img/ad.union.api/1abe0e1cf236b825c069624a850f7930...

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...

File system changes:

Creates the following files:

/data/data/####/-1127729055-1266689676
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/004382906f01693a_0
/data/data/####/1021689741840853517
/data/data/####/143970178-1509997924
/data/data/####/15a115d344caa28f_0
/data/data/####/22bc56188556d90c_0
/data/data/####/283c62e897c2bd6a_0
/data/data/####/3bf1e0a588daaacb_0
/data/data/####/3d613e8cfedd6786_0
/data/data/####/40ff66a945969251_0
/data/data/####/49efeadaef9e6c75942b60f6aaa03353
/data/data/####/49efeadaef9e6c75942b60f6aaa03353.tmp
/data/data/####/4a7d640b85d0aefb_0
/data/data/####/4e197fedec50907d_0
/data/data/####/5c908590ab425741_0
/data/data/####/63ac795244d0793a_0 (deleted)
/data/data/####/66603b0ea38ef072_0
/data/data/####/66c80730006798f9_0
/data/data/####/761a7ff9202ced74_0
/data/data/####/761a7ff9202ced74_1
/data/data/####/7710fc8e3a579d78_0
/data/data/####/84b1aecff4138dd9_0
/data/data/####/8f2fde740c2e47b8_0 (deleted)
/data/data/####/9b4a4187a520f13e_0
/data/data/####/9e1a7fbaf9a120aa_0
/data/data/####/ACCS_BINDumeng;598bfca8a40fa302e3000949.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/####/AdloadStore.xml
/data/data/####/AdmobileApiAd_3.5.0.dex
/data/data/####/AdmobileApiAd_3.5.0.dex (deleted)
/data/data/####/AdmobileApiAd_3.5.0.dex.flock (deleted)
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/AndroidLogPlusXl_5.5.0.dex
/data/data/####/AndroidLogPlusXl_5.5.0.dex (deleted)
/data/data/####/AndroidLogPlusXl_5.5.0.dex.flock (deleted)
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/Ji.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a==7.3.2&&1.60.36_1570029009738_envelope.log
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/app_crash_copy.xml
/data/data/####/b7eb27fcb60f1e52_0
/data/data/####/be23f1faa126b71d_0 (deleted)
/data/data/####/c2faf6232697fbd8_0 (deleted)
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.oat
/data/data/####/cn.ecook.xml
/data/data/####/cn.ecook.xml.bak
/data/data/####/cn.ecookzuocaiba_preferences.xml
/data/data/####/collectiondatabase
/data/data/####/collectiondatabase-journal
/data/data/####/com.ciba.data.xml
/data/data/####/d==7.3.2&&1.60.36_1570029010150_envelope.log
/data/data/####/d==7.3.2&&1.60.36_1570029017169_envelope.log
/data/data/####/dW1weF9pbnRlcm5hbF8xNTcwMDI4OTk5MTk1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTcwMDI5MDAzODQz;
/data/data/####/da33ddcf3b7961e0_0
/data/data/####/dbd24f71e642da0c_0
/data/data/####/downloader.db-journal
/data/data/####/e9ba51b7f8caff4b3426d6d9ea1a4a00.xml
/data/data/####/ebfcda1bc7864775abbc48f4dc7f89af
/data/data/####/ecookdatabase
/data/data/####/ecookdatabase-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f1d133a622384ba88fcf3f7e197b408d
/data/data/####/f9a605e8bb64e6cd_0 (deleted)
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_cache.xml.bak
/data/data/####/i==1.2.0&&1.60.36_1570028999171_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/libjiagu.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/metrics_guid
/data/data/####/proc_auxv
/data/data/####/sp_push_time.xml
/data/data/####/the-real-index
/data/data/####/tt_materialMeta.xml
/data/data/####/tt_sdk_settings.xml
/data/data/####/tt_sdk_settings.xml.bak
/data/data/####/tt_splash.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopenadsdk.xml.bak
/data/data/####/ttopensdk.db-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_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/misc/####/primary.prof

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
/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes3.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/cache/AdmobileApiAd_3.5.0.dex --oat-fd=73 --oat-location=/data/user/0/<Package>/app_admobile_api_dex/AdmobileApiAd_3.5.0.dex --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/cache/AndroidLogPlusXl_5.5.0.dex --oat-fd=73 --oat-location=/data/user/0/<Package>/app_android_log_plus_xl/AndroidLogPlusXl_5.5.0.dex --compiler-filter=speed
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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.

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