Android.RemoteCode.719

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.127.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) api.s####.com:443
TCP(TLS/1.0) pingan####.vip:443
TCP(TLS/1.0) s####.j####.cn:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP 1####.230.236.38:7007
UDP s.j####.cn:19000

DNS requests:

a####.b####.qq.com
a####.man.aliy####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.s####.com
av1.x####.com
c####.x####.com
fp.fraudme####.cn
hotfix####.aliy####.com
i.t####.com
log.u####.com
pingan####.vip
plb####.u####.com
s####.j####.cn
s.j####.cn
u####.u####.com
up####.sdk.jig####.cn

HTTP GET requests:

i.t####.com/a/3c99d6d9a19c2699cbe29901bb0c04372

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

Modified file system:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.td-3
/data/data/####/1535641045721_2074
/data/data/####/1535641046094_2074
/data/data/####/1535641046320_2074
/data/data/####/1535641054134_2257
/data/data/####/1535641061359_2429
/data/data/####/1535641068821_2581
/data/data/####/1535641104690_3715
/data/data/####/1535641107244_3715
/data/data/####/1535641107437_3715
/data/data/####/1535641107645_3715
/data/data/####/1535641110649_3715
/data/data/####/1535641112763_3715
/data/data/####/Alvin2.xml
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/ContextData.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/a==7.4.4&&4.0.7_1535641045986_envelope.log
/data/data/####/appPackageNames_v2
/data/data/####/bugly_db_legu-journal
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.android.user.profile.xml.bak
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.vip.pinganedai_preferences.xml
/data/data/####/disk_entries_list_image_cache_-1717254795.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fm_shared.xml
/data/data/####/i==1.2.0&&4.0.7_1535641045125_envelope.log
/data/data/####/info.xml
/data/data/####/iv
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/salt
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/sobot_chat_20180830_log.txt
/data/data/####/sobot_config.xml
/data/data/####/sp_sophix.xml
/data/data/####/td_fm.jar
/data/data/####/tdid.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/wakeup_cache.json
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.push_deviceid
/data/media/####/.tcookieid
/data/media/####/.td-3
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml

Miscellaneous:

Executes next 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 444/storage/emulated/0/.DataStorage/.td-3
chmod 444/storage/emulated/0/.UTSystemConfig/.td-3
chmod 444/storage/emulated/0/.td-3
chmod 444/storage/emulated/0/Android/.td-3
chmod 444/storage/emulated/0/DCIM/.td-3
chmod 444/storage/emulated/0/Movies/.td-3
chmod 444/storage/emulated/0/Music/.td-3
chmod 444/storage/emulated/0/Notifications/.td-3
chmod 444/storage/emulated/0/Pictures/.td-3
chmod 444/storage/emulated/0/Podcasts/.td-3
chmod 444/storage/emulated/0/Ringtones/.td-3
chmod 444/storage/emulated/0/data/.td-3
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop net.dns1
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 -l /system/xbin/su
ls /sys/class/thermal

Loads the following dynamic libraries:

Bugly
jcore119
libnfix
libshella-2.9.0.2
libufix
nfix
tongdun
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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