Android.Backdoor.2282

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) o####.map.b####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) 1####.217.168.238:443
TCP zb-cent####.m.ta####.com:80

DNS requests:

ag####.m.ta####.com
amdc####.m.ta####.com
and####.b####.qq.com
api.map.b####.com
loc.map.b####.com
o####.map.b####.com
umengj####.m.ta####.com

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
and####.b####.qq.com/rqd/async
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/MessageStore.db
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db
/data/data/####/MsgLogStore.db-journal
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/authStatus_cn.ecook;remote.xml
/data/data/####/bugly_db_legu
/data/data/####/bugly_db_legu-journal
/data/data/####/cn.ecook.xml
/data/data/####/cn.ecook.xml.bak
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/com.google.android.gms.analytics.prefs.xml (deleted)
/data/data/####/com.google.android.gms.analytics.prefs.xml.bak
/data/data/####/com.google.android.gms.analytics.prefs.xml.bak (deleted)
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTU2NTU1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTU5OTY5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTUyNzg5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTY0MTkw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTY2MDk4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTg0ODAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3NTg5NTgwNjAz;
/data/data/####/eudemon
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/google_analytics_v4.db-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&13.7.2_1557589552856_envelope.log
/data/data/####/info.xml
/data/data/####/libcuid.so
/data/data/####/libnfix.so
/data/data/####/libshella-2.10.6.0.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mix.dex
/data/data/####/mix.so
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/security_info
/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/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/84a91165f7224dd1a62ab3e64c998df8
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/conlts.dat
/data/media/####/e6c1bd854c114653a0bd309b89da344d
/data/media/####/inapp_20190511.log
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<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:4f84d47f527015462b00002a","utdid":"XNbuMPnG0DwDAGdzx1FSiYf3","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.10.6.0.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
grep 3310
logcat -d -v threadtime
ls /sys/class/thermal
ps
ps 2313
ps 2412
ps 2449
ps 2584
ps 2693
ps 2799
ps 2880
ps 3025
ps 3053
ps 3212
ps 3310
sh

Loads the following dynamic libraries:

Bugly
libnfix
libshella-2.10.6.0
libufix
locSDK7a
nfix
tnet-3.1
tusdk-library
ufix

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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.).

Adds tasks to the system scheduler.

Manages Wi-Fi connectivity.

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