Android.BackDoor.2635

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) v2.g####.qq.com:80
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) dsp.tou####.com.####.net:80
TCP(HTTP/1.1) 47.1####.40.225:80
TCP(HTTP/1.1) 47.1####.44.93:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) rd.e.s####.com:80
TCP(HTTP/1.1) luna-im####.qq.com.####.com:80
TCP(HTTP/1.1) u####.8####.com:80
TCP(HTTP/1.1) p####.ugd####.com.####.com:80
TCP(HTTP/1.1) c2.g####.qq.com:80
TCP(HTTP/1.1) trac####.xind####.com:80
TCP(HTTP/1.1) ser####.cocou####.com:80
TCP(HTTP/1.1) a.v####.cn:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) dsp.yo####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) api.jo####.com:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) vi####.yangk####.com.####.com:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) playato####.google####.com:443
TCP(TLS/1.0) otk.pindu####.com:443
TCP(TLS/1.0) analy####.map.qq.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) p####.yangk####.com.####.com:443
TCP(TLS/1.0) lp.pindu####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) sf3-ttc####.ps####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) s####.e.qq.com:443
TCP(TLS/1.0) a####.pindu####.com:443
TCP(TLS/1.0) t####.m.qq.com:443
TCP(TLS/1.0) 1####.217.218.95:443
TCP(TLS/1.0) 1####.177.119.138:443
TCP(TLS/1.0) 1####.177.119.95:443
TCP(TLS/1.0) mi.g####.qq.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) at.pindu####.com:443
TCP(TLS/1.0) cryptau####.google####.com:443
TCP(TLS/1.0) voledev####.google####.com:443
TCP(TLS/1.2) 1####.177.126.95:443
TCP(TLS/1.2) 1####.177.127.94:443
TCP(TLS/1.2) p####.google####.com:443
TCP(TLS/1.2) 1####.177.119.138:443
TCP(TLS/1.2) 1####.217.218.95:443

DNS requests:

a####.man.aliy####.com
a####.pindu####.com
a.e####.cn
a.v####.cn
analy####.map.qq.com
and####.google####.com
android####.go####.com
api.e####.cn
api.jo####.com
at.pindu####.com
c2.g####.qq.com
cryptau####.google####.com
dsp-i####.yo####.com
dsp.tou####.com
imgc####.qq.com
is.sn####.com
l####.pindu####.com
lp.pindu####.com
mi.g####.qq.com
otk.pindu####.com
p####.google####.com
p####.ugd####.com
playato####.google####.com
plb####.u####.com
rd.e.s####.com
s####.e.qq.com
ser####.cocou####.com
sf3-ttc####.ps####.com
t####.m.qq.com
trac####.xind####.com
u####.8####.com
u####.u####.com
v2.g####.qq.com
vi####.yangk####.com
voledev####.google####.com
www.gst####.com

HTTP GET requests:

a.e####.cn/favicon.ico
a.e####.cn/public/getClickUrlPoList.shtml?sd=####&androidid=####&sign=##...
a.e####.cn/public/rab.shtml?id=####&network=####&machine=####
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
a.v####.cn/se?e=MTU4M####&t=####
api.jo####.com/phone/notify.php?act=####&log=dsp####&uniplayid=####&rid=...
c2.g####.qq.com/gdt_mclick.fcg?viewid=####&jtype=####&i=####&os=####&asi...
dsp.tou####.com.####.net/api/sougou/ads/show?extra=####&price=o####
dsp.tou####.com.####.net/api/sougou/ads/show?extra=J####&price=P####
dsp.yo####.com/k.gif?yd_ewp=####&yd_ext=####&iid=####&sid=####&tid=####
luna-im####.qq.com.####.com/qzone/biz/gdt/dev/sdk/cdn/resources/common/S...
luna-im####.qq.com.####.com/qzone/biz/gdt/mod/android/AndroidAllInOne/pr...
p####.ugd####.com.####.com/gdt/0/DAAj5x2AQ4AeAABiBeSk-gBP5onVOx.jpg/0?ck...
rd.e.s####.com/nvw?traceId=####&st=####
rd.e.s####.com/nvw?traceId=####&st=HE9Q####
ser####.cocou####.com/core/url?bt=####&evt=####&dvid=####&adid=####&adow...
trac####.xind####.com/tk?1####&slot=####&df=####&sid=####&data=Nk####&__...
u####.8####.com/monitor/common/1?tid=####&rsid=####&s=####&inf=####&si=#...
v2.g####.qq.com/gdt_stats.fcg?viewid=####&i=####&os=####&xp=####&gap=###...
vi####.yangk####.com.####.com/material-api-video/2020-03-04/b938585f3fc4...

HTTP POST requests:

s####.e.qq.com/activate
s####.e.qq.com/click
s####.e.qq.com/launch
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jg.ri
/data/data/####/.jg.store.report_cf
/data/data/####/.jgck
/data/data/####/.turing.dat
/data/data/####/0758c9dd1f6c0e00_0
/data/data/####/09faa9e2747c2010_0
/data/data/####/0f7d630f0a087d459ceadce19911f98d
/data/data/####/168ed40a5c5ab735_0
/data/data/####/2023cd002b1779e7_0
/data/data/####/21f29c73ba217d43_0
/data/data/####/24de7a00b70a1eec_0
/data/data/####/31da92d6f8c3e0f0_0
/data/data/####/345f6e0c006a2566_0
/data/data/####/3526.yaqcookie
/data/data/####/3804.yaqcookie
/data/data/####/40e972849933abf4_0
/data/data/####/424d375c2e9ed4c9_0
/data/data/####/43b1db9d40cd4c09_0
/data/data/####/48e2c408677443ce_0
/data/data/####/4909439c4cd3e948_0
/data/data/####/4d09cd920202442d_0
/data/data/####/4dc94cc2d48e7760_0
/data/data/####/4f6ff692d8652fd5_0
/data/data/####/5380e529262efc12_0
/data/data/####/5462c96a35d58a5f_0
/data/data/####/5a4b4e1587fe83d5_0
/data/data/####/60704682af5d2203_0
/data/data/####/618564b34ecabc05_0
/data/data/####/670d268d4f5b0659_0
/data/data/####/67363735a1c126af_0
/data/data/####/6e129ae42520b51a_0
/data/data/####/73979e40c505af82_0
/data/data/####/828317075de7c46c_0
/data/data/####/830d692eb26a6daf_0
/data/data/####/834e9ee6b9f9cb89_0
/data/data/####/87ebaf32dd4f86e1_0
/data/data/####/880868543c66ac2a014e7233e965c677.xml
/data/data/####/8dee29b9621386ea_0
/data/data/####/91bb3a83147574e2d3348929005465e4
/data/data/####/9b5c23719c961fc3_0
/data/data/####/9f256e6dbbb2ed37_0
/data/data/####/9f256e6dbbb2ed37_1
/data/data/####/9f812f9dad4e2fe4_0
/data/data/####/AdmobileApiAd_3.9.0.dex
/data/data/####/AdmobileApiAd_3.9.0.dex (deleted)
/data/data/####/AdmobileApiAd_3.9.0.dex.flock (deleted)
/data/data/####/Alvin2.xml
/data/data/####/AndroidLogPlusXl_5.7.0.dex
/data/data/####/AndroidLogPlusXl_5.7.0.dex (deleted)
/data/data/####/AndroidLogPlusXl_5.7.0.dex.flock (deleted)
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/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/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a3628bb18014b1b2_0
/data/data/####/a879db22a4dc7d6e_0
/data/data/####/b1dd32e3e1cfade6_0
/data/data/####/bcf8a34a679d1534_0
/data/data/####/c48df8896997ac26_0
/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.yangsheng.xml
/data/data/####/cn.yangsheng_preferences.xml
/data/data/####/collectiondatabase
/data/data/####/collectiondatabase-journal
/data/data/####/com.ciba.data.xml
/data/data/####/com.qq.e.sdkconfig.xml
/data/data/####/com.qq.e.sdkconfig.xml.bak
/data/data/####/config
/data/data/####/d590fa77d6291f7c_0
/data/data/####/dW1weF9pbnRlcm5hbF8xNTgzNDkyMTAwNTkz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTgzNDkyMTEyODA5;
/data/data/####/dbf1c5a7e462cad2_0
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/downloader.db-journal
/data/data/####/eb7370800eba23b4_0
/data/data/####/ecookdatabase
/data/data/####/ecookdatabase-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f9a605e8bb64e6cd_0
/data/data/####/fdf97552ee51a221_0
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.dex
/data/data/####/gdt_plugin.dex.flock (deleted)
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.next.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_cache.xml.bak
/data/data/####/i==1.2.0&&1.80.53_1583492100553_envelope.log
/data/data/####/i==1.2.0&&1.80.53_1583492112772_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/libMMANDKSignature.169e9015.so
/data/data/####/libMMANDKSignature.28900be8.so
/data/data/####/libjiagu.so
/data/data/####/libturingau.169e9015.so
/data/data/####/libyaqbasic.169e9015.so
/data/data/####/libyaqbasic.28900be8.so
/data/data/####/libyaqpro.169e9015.so
/data/data/####/libyaqpro.28900be8.so
/data/data/####/metrics_guid
/data/data/####/mpdc_105498_1
/data/data/####/proc_auxv
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/the-real-index
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopenadsdk.xml.bak
/data/data/####/ttopensdk.db-journal
/data/data/####/turingfd_conf_105498_auMini.xml
/data/data/####/turingfd_conf_105498_auMini.xml.bak
/data/data/####/turingfd_protect_105498_41_auMini.xml
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/update_lc
/data/data/####/yaq.169e9015.sec
/data/data/####/yaq.28900be8.sec
/data/data/####/yaq2.169e9015.sec
/data/data/####/yaq3_0.169e9015.sec
/data/data/####/yaqsdkcookie
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.turing.dat
/data/media/####/.umm.dat
/data/media/####/9493fc1f6f98527c0d455b074eecedbe
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/config.txt
/data/media/####/sysid.dat
/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>/app_e_qq_com_plugin/gdt_plugin.jar --oat-fd=60 --oat-location=/data/user/0/<Package>/app_e_qq_com_dex/gdt_plugin.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>/app_e_qq_com_plugin/gdt_plugin.jar --oat-fd=69 --oat-location=/data/user/0/<Package>/app_e_qq_com_dex/gdt_plugin.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>/app_e_qq_com_plugin/gdt_plugin.jar --oat-fd=77 --oat-location=/data/user/0/<Package>/app_e_qq_com_dex/gdt_plugin.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/AdmobileApiAd_3.9.0.dex --oat-fd=42 --oat-location=/data/user/0/<Package>/app_admobile_api_dex/AdmobileApiAd_3.9.0.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/AdmobileApiAd_3.9.0.dex --oat-fd=76 --oat-location=/data/user/0/<Package>/app_admobile_api_dex/AdmobileApiAd_3.9.0.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_5.7.0.dex --oat-fd=76 --oat-location=/data/user/0/<Package>/app_android_log_plus_xl/AndroidLogPlusXl_5.7.0.dex --compiler-filter=speed
/system/bin/df
/system/bin/getprop
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
ls /
ls /proc/3526
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding
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.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial