Android.RemoteCode.679

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) o####.map.b####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(SSL/3.0) s####.ml####.cc:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) s####.j####.cn:443
TCP(TLS/1.0) s####.ml####.cc:443
TCP(TLS/1.0) gen-st####.yunshan####.com:443
TCP(TLS/1.0) t####.j####.cn:443
TCP 1####.229.215.36:7008
UDP s.j####.cn:19000

DNS requests:

a####.b####.qq.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.map.b####.com
l####.tbs.qq.com
loc.map.b####.com
loganal####.yunshan####.com
o####.map.b####.com
plb####.u####.com
s####.j####.cn
s####.ml####.cc
s.j####.cn
t####.j####.cn
u####.u####.com
up####.sdk.jig####.cn

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
up####.sdk.jig####.cn/v1/push/sdk/postlist

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/08c8634d-2679-4323-aa8f-cdd3cb61fd86
/data/data/####/11a72cea-deaf-4363-b3e9-b289a0a515a5
/data/data/####/18ddabbd-f67d-45e8-b746-3074e5eb8a68
/data/data/####/21c914f1bdad181e4e71a7f703fdd8dfb0827c2a36ad509....0.tmp
/data/data/####/36d85fc8-09d7-464f-a112-eff35e21d50c
/data/data/####/52ccfa3594dcab04da636f7f34c12c056a13893668b22fb....0.tmp
/data/data/####/52de5537-0cfa-44fa-86a6-4c0ac047efac
/data/data/####/536ffbea-2277-4c68-ac29-fe953ffcf34c
/data/data/####/6c0db357-7ac6-4232-8984-a11cd162386e
/data/data/####/7093fccb-4644-42d4-8f38-a0c5ad3cbc14
/data/data/####/899d15dd-8da6-403f-8582-fcab0556ecd5
/data/data/####/8c1189fed90e48e1b00f1f72f894f8d6ef02b6b73e05a2c....0.tmp
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/UserPrefs.xml
/data/data/####/appPackageNames_v2
/data/data/####/authStatus_com.meicai.mall;remote.xml
/data/data/####/bugly_db_legu-journal
/data/data/####/ce001116-5719-4b3b-a45c-2ba810f74dd2
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/core_info
/data/data/####/d39f538f8d0406acef10604a5a8089f783d0642c32174d9....0.tmp
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f4c2e2f2-7aa3-4fc4-9727-a86cbef40522
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&2.5.6_1535010526941_envelope.log
/data/data/####/i==1.2.0&&2.5.6_1535010546459_envelope.log
/data/data/####/i==1.2.0&&2.5.6_1535010555688_envelope.log
/data/data/####/i==1.2.0&&2.5.6_1535010562876_envelope.log
/data/data/####/i==1.2.0&&2.5.6_1535010585883_envelope.log
/data/data/####/info.xml
/data/data/####/journal.tmp
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_local_notification.db
/data/data/####/jpush_local_notification.db-journal
/data/data/####/jpush_local_notification.db-wal
/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/####/libcuid.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/####/mwsdk_analytics.db-journal
/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/####/persistent_data.xml
/data/data/####/persistent_data.xml.bak
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/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_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/conlts.dat
/data/media/####/crash-3949345A97B4ED935823B8E6F74EF633-20180823074846.log
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

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 700 /data/user/0/<Package>/tx_shell/libnfix.so
chmod 700 /data/user/0/<Package>/tx_shell/libshella-2.9.0.2.so
chmod 700 /data/user/0/<Package>/tx_shell/libufix.so
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 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.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
ls /sys/class/thermal
ps

Loads the following dynamic libraries:

Bugly
jcore123
libnfix
libshella-2.9.0.2
libufix
locSDK7a
meicai
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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