Android.RemoteCode.3425

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.127.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.b####.qq.com:8012
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) z####.l####.com:80
TCP(HTTP/1.1) rp-na####.ron####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) 1####.117.97.14:80
TCP(HTTP/1.1) t####.talking####.net:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(TLS/1.0) api.s####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) x####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP(TLS/1.0) s####.cn.ron####.com:443
TCP 1####.92.18.59:8613
TCP 47.74.1####.155:5222
TCP 4####.62.94.2:5222

DNS requests:

a####.b####.qq.com
a####.u####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.s####.com
i####.cn
log.u####.com
nav.cn.ron####.com
oc.u####.com
regi####.xm####.xi####.com
reso####.msg.xi####.net
s####.cn.ron####.com
s####.u####.com
t####.talking####.net
x####.com
z####.l####.com
z####.l####.com

HTTP GET requests:

reso####.msg.xi####.net/gslb/?ver=####&type=####&connpt=####&uuid=####&l...
z####.l####.com/ad/dataReport?muid=####&muid_origin=####
z####.l####.com/user/welcome

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
a####.b####.qq.com:8012/rqd/async
a####.u####.com/app_logs
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
oc.u####.com/v2/check_config_update
oc.u####.com/v2/get_update_time
rp-na####.ron####.com/navipush.json
t####.talking####.net/g/d

File system changes:

Creates the following files:

/data/data/####/-1879286779534460414
/data/data/####/-4127018751565773141
/data/data/####/.imprint
/data/data/####/1004
/data/data/####/1550751525888.log
/data/data/####/COUNTLY_STORE.xml
/data/data/####/RongPush.xml
/data/data/####/Statistics.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.lexue.zhongkao;pushservice
/data/data/####/com.lexue.zhongkao_preferences.xml
/data/data/####/courser.db-journal
/data/data/####/courser_common.xml
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/onlineconfig_agent_online_setting_com.lexue.zhongkao.xml
/data/data/####/pref_longtime.xml
/data/data/####/pref_shorttime.xml
/data/data/####/pref_shorttime.xml.bak
/data/data/####/security_info
/data/data/####/sobot_chat_20190221_log.txt
/data/data/####/sobot_config.xml
/data/data/####/talkingdata_file_prefence.xml
/data/data/####/talkingdata_file_prefence.xml (deleted)
/data/data/####/td.lock
/data/data/####/tdid.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.tcookieid
/data/media/####/RongLog_2_8_12.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop androVM.vbox_dpi
/system/bin/sh -c getprop gsm.sim.state
/system/bin/sh -c getprop gsm.sim.state2
/system/bin/sh -c getprop qemu.sf.fake_camera
/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.debuggable
/system/bin/sh -c getprop ro.genymotion.version
/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.secure
/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 androVM.vbox_dpi
getprop gsm.sim.state
getprop gsm.sim.state2
getprop qemu.sf.fake_camera
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.debuggable
getprop ro.genymotion.version
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.secure
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime

Loads the following dynamic libraries:

Bugly
RongIMLib
libnfix
libshella-2.8
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding

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 accounts associated with the device (Google, Facebook, etc.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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