Android.RemoteCode.2106

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.907
Android.Triada.440.origin
Android.Xiny.240.origin

Accesses the ITelephony private interface.

Intercepts incoming SMS and terminates the process of their transmission to handlers of other apps.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) i####.api.qiazhiw####.cn:10003
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10002
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10201
TCP(HTTP/1.1) api.y####.com:8080
TCP(HTTP/1.1) lk####.o8####.com:20351
TCP(HTTP/1.1) 1####.78.31.198:8030
TCP(HTTP/1.1) gdv.a.s####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) q####.a####.com:80
TCP(HTTP/1.1) z####.heyc####.net:80
TCP(HTTP/1.1) pa.angs####.com:8003
TCP(HTTP/1.1) 1####.159.131.193:10201
TCP(HTTP/1.1) 1####.62.54.183:9004
TCP(HTTP/1.1) 1####.129.132.111:8001
TCP(HTTP/1.1) fy.bigb####.com:6099
TCP(HTTP/1.1) ji####.jieme####.com:8152
TCP(HTTP/1.1) re####.api.qiazhiw####.cn:10002
TCP(HTTP/1.1) www.palmfun####.cn:80
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10001
TCP(HTTP/1.1) d.angs####.com:5284
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443

DNS requests:

and####.b####.qq.com
api.y####.com
d.angs####.com
fy.bigb####.com
i####.api.qiazhiw####.cn
i####.api.qiazhiw####.cn
ji####.dl####.com
ji####.jieme####.com
lk####.o8####.com
pa.angs####.com
plb####.u####.com
pv.s####.com
re####.api.qiazhiw####.cn
sdk.api.qiazhiw####.cn
u####.u####.com
wn.qiazhiw####.cn
www.palmfun####.cn
z####.heyc####.net

HTTP GET requests:

gdv.a.s####.com/cityjson?ie=####
q####.a####.com/jieplginf/wchzfdat27

HTTP POST requests:

and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
api.y####.com:8080/sdk/mobile-submit
d.angs####.com:5284/android.frontserver/pcsvc?r=####
fy.bigb####.com:6099/aps/
i####.api.qiazhiw####.cn:10003/v2/chis
ji####.jieme####.com:8152/ryf_webserver/payment/checkupdate.html
lk####.o8####.com:20351/ds/
pa.angs####.com:8003/pps
re####.api.qiazhiw####.cn:10002/v2/sdk/init?app_id=####&t=####
sdk.api.qiazhiw####.cn:10001/v2/adconfig/get?app_id=####&t=####
sdk.api.qiazhiw####.cn:10001/v2/bag/monitor?app_id=####&t=####
sdk.api.qiazhiw####.cn:10001/v2/sdk/init?app_id=####&t=####
sdk.api.qiazhiw####.cn:10001/v2/update/check?app_id=####&t=####
sdk.api.qiazhiw####.cn:10002/v2/sdk/init?app_id=####&t=####
sdk.api.qiazhiw####.cn:10201/v2/sdk/report?app_id=####&t=####
www.palmfun####.cn/fee/active
www.palmfun####.cn/fee/searchpc
z####.heyc####.net/getlist
z####.heyc####.net/xlogin

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/1004
/data/data/####/1B3A2967E5FD862EFD957606C65C8122
/data/data/####/2887A00B589C85A5FF5607D7EB45E7C8
/data/data/####/30592A6B8B0C769E3F7FDE6E1A033DF5
/data/data/####/D99494BB10D048C393648C204AF8AA38
/data/data/####/F85C58A2196623557E8A00D8A4680702
/data/data/####/JiePay.xml
/data/data/####/SP_REPLACE_CLASSLOADER_CLASS_NAME.xml
/data/data/####/SP_REPLACE_CLASSLOADER_CLASS_NAME.xml.bak
/data/data/####/Setting.xml
/data/data/####/XinZF.xml
/data/data/####/XinZF_conf.xml
/data/data/####/a41ef78f80bd3e308dc65bb85a782673.xml
/data/data/####/a==7.5.3&&1.5_1544447100113_envelope.log
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu
/data/data/####/bugly_db_legu-journal
/data/data/####/c8ef51bca7c6ca597d96a5924f5daec5.xml
/data/data/####/com.diamia.simkj_preferences.xml
/data/data/####/com_android_command_nn_v.xml
/data/data/####/config50147.xml
/data/data/####/core.dex
/data/data/####/core.jar
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTA3NjU2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTAwMDM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTE4MzQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTEzMTQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTIzOTIz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTMxNjcy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTQ2ODA2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTU4NDU0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NDQ3MTUyMTg3;
/data/data/####/db3284fc93bacac81bd058e5fb28483c.xml
/data/data/####/dpi
/data/data/####/e5a7fd91687a94e8eba9a721ad5e9ded.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/hid.db
/data/data/####/i==1.2.0&&1.5_1544447107835_envelope.log
/data/data/####/i==1.2.0&&1.5_1544447146943_envelope.log
/data/data/####/info.xml
/data/data/####/jiepay_config.xml
/data/data/####/jiepayplugin.apk
/data/data/####/jiepayplugin.apkdata
/data/data/####/jiepayplugin.dex
/data/data/####/kb_idle.ini
/data/data/####/kv_cf.ini
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/mix.so
/data/data/####/native_record_lock
/data/data/####/new_md.dex
/data/data/####/new_md.jar
/data/data/####/nn.dex
/data/data/####/nn.jaru
/data/data/####/nn_app.xml
/data/data/####/onePay.xml
/data/data/####/security_info
/data/data/####/shunpay_config
/data/data/####/sms_db
/data/data/####/sms_db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/uid.f
/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_general_config.xml.bak (deleted)
/data/data/####/umeng_it.cache
/data/data/####/up11057092
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/yf.apk
/data/data/####/yf.dex
/data/data/####/yf.dex (deleted)
/data/data/####/{6109AB2B-769CFABF}_{F3D941B8-9F59C5E4}.P2
/data/data/####/{BE2355DB-D785E335}.PC1
/data/data/####/{F3D941B8-9F59C5E4}.P1
/data/data/####/{F3D941B8-9F59C5E4}.P3
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nid
/data/media/####/.umm.dat
/data/media/####/sysid.dat

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
/system/bin/sh -c getprop
/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
cat /sys/class/android_usb/android0/idProduct
cat /sys/class/android_usb/android0/idVendor
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
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 -l /dev
ls -l /dev/block
ls -l /dev/block/vold
ls -l /dev/bus
ls -l /dev/bus/usb
ls -l /dev/bus/usb/001
ls -l /dev/com.android.settings.daemon
ls -l /dev/cpuctl
ls -l /dev/cpuctl/apps
ls -l /dev/cpuctl/apps/bg_non_interactive
ls -l /dev/graphics
ls -l /dev/input
ls -l /dev/log
ls -l /dev/pts
ls -l /dev/snd
ls -l /dev/socket
ls /sys/class/thermal
ps

Loads the following dynamic libraries:

Bugly
cocos2dcpp
libnfix
libshella-2.8
libufix
nfix
shunpay
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
DES
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.

Displays its own windows over windows of other apps.

Parses information from SMS.

Gets information about sent/received SMS.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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