Android.Backdoor.2302

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) 47.1####.40.225:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(HTTP/1.1) api.e####.cn:80
TCP(HTTP/1.1) wn.pos.b####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) pic.ange####.cn:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) imgc####.qq.com.####.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) s####.e.qq.com:443
TCP(TLS/1.0) ex####.sn####.com:443
TCP(TLS/1.0) www.a.sh####.com:443
TCP(TLS/1.0) is.sn####.com:443

DNS requests:

a.e####.cn
and####.cli####.go####.com
api.e####.cn
ex####.sn####.com
i.sn####.com
imgc####.qq.com
is.sn####.com
log.sn####.com
mi.g####.qq.com
p####.ugd####.com
pic.ange####.cn
plb####.u####.com
s####.e.qq.com
sf1-ttc####.ps####.com
sp0.b####.com
u####.u####.com
wn.pos.b####.com

HTTP GET requests:

a.e####.cn/public/getClickUrlPoList.shtml?os=####&model=####&ts=####&ven...
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=####...
imgc####.qq.com.####.com/qzone/biz/gdt/mod/android/AndroidAllInOne/progu...
mi.g####.qq.com/gdt_mview.fcg?posw=####&spsa=####&posh=####&count=####&r...
pic.ange####.cn/web/260324425.jpg!m720
pic.ange####.cn/web/262518302.jpg!m720
pic.ange####.cn/web/262872496.jpg!m720
s####.tc.qq.com/gdt/0/DAAmRDwAKAAPAAA1Bc3UqhC0VDTnfh.jpg/0?ck=####
sf1-ttc####.ps####.com/img/ad.union.api/40e7e4d0f61817eff05b565b0ac0f9f5...
wn.pos.b####.com/adx.php?c=####

HTTP POST requests:

s####.e.qq.com/activate

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1558137112350
/data/data/####/2609.yaqcookie
/data/data/####/5fc78017db323188cc53dc3e5222c72e.xml
/data/data/####/73b6819c1a3c923a5fbc6b7ae52002ac.temp
/data/data/####/AdloadStore.xml
/data/data/####/AdmobileApiAd_3.4.2.dex (deleted)
/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-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/MultiDex.lock
/data/data/####/a==7.3.1&&1.30.23_1558137110981_envelope.log
/data/data/####/app_crash_copy.xml
/data/data/####/cn.ecook.xml
/data/data/####/collectiondatabase
/data/data/####/collectiondatabase-journal
/data/data/####/com.ciba.data.xml
/data/data/####/d==7.3.1&&1.30.23_1558137111331_envelope.log
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4MTM3MTA0NTU2;
/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.11475203.dat
/data/data/####/downloader.db-journal
/data/data/####/ecookdatabase
/data/data/####/ecookdatabase-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/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_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/index
/data/data/####/info.xml
/data/data/####/info.xml.bak (deleted)
/data/data/####/libjiagu-1950107773.so
/data/data/####/libyaqbasic.11475203.so
/data/data/####/libyaqpro.11475203.so
/data/data/####/multidex.version.xml
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/tt_materialMeta.xml
/data/data/####/tt_sdk_settings.xml
/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/####/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-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/yaqsdkcookie
/data/media/####/.nomedia
/data/media/####/110fvvhye42iptj2ivji95y2g.tmp
/data/media/####/371ghpr5yv9wyuiaf40o3mew4.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/sark2zv0j38jbc37pjv2u4ea.tmp
/data/media/####/tt_splash_image_cache

Miscellaneous:

Executes the following shell scripts:

getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
ls /sys/class/thermal

Loads the following dynamic libraries:

libjiagu-1950107773
libyaqbasic.11475203
libyaqpro.11475203

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
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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.

Gets information about running apps.

Displays its own windows over windows of other apps.

Manages Wi-Fi connectivity.

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