Android.RemoteCode.4779

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.127.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) api.s####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) adt.x####.com:443

DNS requests:

a####.b####.qq.com
adt.x####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.cloudo####.cn
api.s####.com
i.t####.com
log.u####.com
plb####.u####.com
s####.u####.com
u####.u####.com
umen####.m.ta####.com

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/1558643030276_2312
/data/data/####/1558643038222.log
/data/data/####/1558643080620_3642
/data/data/####/ACCS_SDK.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/MultiDex.lock
/data/data/####/Pythagoras_phase.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime1.xml
/data/data/####/accs.db-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDI4NDQ5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDM1MDA0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDM3MzM4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDQ0NTI1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDQ4MTI3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDQwMDA0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDQyNTIy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDY1NzAy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDY4MjA2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDc4MzI5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDg0NDMz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU4NjQzMDgwMDI1;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/i==1.2.0&&3.3.2_1558643028556_envelope.log
/data/data/####/info.xml
/data/data/####/journal.tmp
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mPBE.xml
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/security_info
/data/data/####/sobot_chat_20190523_log.txt
/data/data/####/sobot_config.xml
/data/data/####/tdid.xml
/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/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.tcookieid
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml

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/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
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.8.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
logcat -d -v threadtime
ls /sys/class/thermal

Loads the following dynamic libraries:

Bugly
avcodec
avfilter
avformat
avutil
fdk-aac
libnfix
libshella-2.8
libufix
nfix
swresample
swscale
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
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.).

Displays its own windows over windows of other apps.

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