Android.Xiny.2887

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.613.origin
Android.Xiny.1513
Android.Xiny.240.origin

Gains access to the ITelephony private interface.

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

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10002
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10201
TCP(HTTP/1.1) 1####.159.103.205:8090
TCP(HTTP/1.1) wn.qiazhiw####.cn.####.net:80
TCP(HTTP/1.1) www.be####.com:8080
TCP(HTTP/1.1) 2####.73.211.68:5292
TCP(HTTP/1.1) q####.a####.com:80
TCP(HTTP/1.1) 1####.55.93.104:9004
TCP(HTTP/1.1) pa.yunj####.cn:8002
TCP(HTTP/1.1) ji####.jieme####.com:8152
TCP(HTTP/1.1) xz####.zhan####.com:10011
TCP(HTTP/1.1) b.yunj####.cn:5284
TCP(HTTP/1.1) 1####.159.131.193:10201
TCP(HTTP/1.1) p1.i####.cc:80
TCP(HTTP/1.1) 1####.129.132.111:8001
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) 1####.159.152.136:8090
TCP(HTTP/1.1) v####.api.eeric####.com:80
TCP(HTTP/1.1) sdk.api.qiazhiw####.cn:10001
TCP(HTTP/1.1) 1####.159.131.193:10002
TCP(HTTP/1.1) i####.api.qiazhiw####.cn:10001
TCP(HTTP/1.1) a####.peiz####.cn.####.com:5285
TCP(HTTP/1.1) cnmon####.com:8080
TCP(HTTP/1.1) i####.api.qiazhiw####.cn:10002
TCP 1####.196.192.72:9920

DNS requests:

a####.peiz####.cn
a####.u####.com
b.yunj####.cn
cnmon####.com
i####.api.qiazhiw####.cn
ji####.dl####.com
ji####.jieme####.com
p1.i####.cc
pa.yunj####.cn
re####.api.qiazhiw####.cn
sdk.api.qiazhiw####.cn
v####.api.eeric####.com
wn.qiazhiw####.cn
www.be####.com
x####.bj####.cn
xz####.zhan####.com

HTTP GET requests:

a####.peiz####.cn.####.com:5285/AppDownLoad/apk/downloadAPK?appId=####
cnmon####.com:8080/console/client/app/check/data.do?pModel=####&netType=...
cnmon####.com:8080/console/client/spApi/init/data.do?productNo=####&pMod...
cnmon####.com:8080/console/upload/control/control.jar
cnmon####.com:8080/console/upload/sdk/208caa2f-2f31-4777-a79e-ac17251dd4...
q####.a####.com/jieplginf/wchzfdat25
wn.qiazhiw####.cn.####.net/update/pay06057081

HTTP POST requests:

a####.u####.com/app_logs
b.yunj####.cn:5284/android.frontserver/pcsvc
cnmon####.com:8080/console/client/spApi/reportError/data.do
i####.api.qiazhiw####.cn:10001/v2/update/check?app_id=####&t=####
i####.api.qiazhiw####.cn:10002/v2/sdk/init?app_id=####&t=####
ji####.jieme####.com:8152/ryf_webserver/payment/checkupdate.html
p1.i####.cc/index.php/MC/HB
pa.yunj####.cn:8002/pps
sdk.api.qiazhiw####.cn:10001/v2/update/check?app_id=####&t=####
sdk.api.qiazhiw####.cn:10002/v2/log/add?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=####
v####.api.eeric####.com/api/payment/mobileInit.html
www.be####.com:8080/game/paycontrolv2
xz####.zhan####.com:10011/zxhypay/action/update.do

Modified file system:

Creates the following files:

/data/data/####/.fb
/data/data/####/.fb-journal
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/347781996620052
/data/data/####/347781996620052-journal
/data/data/####/6056a0e434260e3514af030d9cf24078.jar
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/F85C58A2196623557E8A00D8A4680702
/data/data/####/JiePay.xml
/data/data/####/buntutu.dex
/data/data/####/buntutu_data_s.xml
/data/data/####/c868f2190c3d2c142468a94de06b03e9.dat (deleted)
/data/data/####/c868f2190c3d2c142468a94de06b03e9.dex
/data/data/####/c868f2190c3d2c142468a94de06b03e9.jar
/data/data/####/cached.pref.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.nwe.fewio.ewb.xml
/data/data/####/com.nwe.fewio.ewb_preferences.xml
/data/data/####/com_android_command_buntutu_v.xml
/data/data/####/config.xml
/data/data/####/config.xml.bak (deleted)
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/game_n.xml
/data/data/####/i2q590C0p266c6A9y9c198l7d7p4o3.xml
/data/data/####/initRoot.xml
/data/data/####/installTime.xml
/data/data/####/jiepay_config.xml
/data/data/####/jiepayplugin.apk
/data/data/####/jiepayplugin.apkdata
/data/data/####/jiepayplugin.dex (deleted)
/data/data/####/kb_idle.ini
/data/data/####/libjiagu920077311.so
/data/data/####/mm_nw_app.xml
/data/data/####/native_1536691337227.so
/data/data/####/onib_clz.dex
/data/data/####/onib_clz.jar
/data/data/####/pay06057081
/data/data/####/pay06057081.jar
/data/data/####/shunpay_config
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/{2BD4537D-12B79B36}.P1
/data/data/####/{2BD4537D-12B79B36}.P3
/data/data/####/{6109AB2B-769CFABF}_{2BD4537D-12B79B36}.P2
/data/media/####/0C3E1782C1F853AF.jar.i
/data/media/####/0C3E1782C1F853AFwh.jar
/data/media/####/1B3A2967E5FD862EFD957606C65C8122
/data/media/####/2887A00B589C85A5FF5607D7EB45E7C8
/data/media/####/30592A6B8B0C769E3F7FDE6E1A033DF5
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/D99494BB10D048C393648C204AF8AA38
/data/media/####/buntutu.jar.tmp.i
/data/media/####/buntutu.jar.tmp.i (deleted)
/data/media/####/buntutu.jaru
/data/media/####/cash_2018-09-11_log.txt
/data/media/####/kb_idle.ini
/data/media/####/pConifg.ini
/data/media/####/{BE2355DB-D785E335}.PC1

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
cat /sys/block/mmcblk0/device/cid
chmod 755 <Package Folder>/.jiagu/libjiagu920077311.so
getprop ro.product.cpu.abi

Loads the following dynamic libraries:

libjiagu920077311
native_1536691337227
shunpay

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
DES-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
DES
DES-CBC-PKCS5Padding

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 APN settings.

Gains access to information about installed applications.

Displays its own windows over windows of other applications.

Parses information from SMS messages.

Gains access to information about sent/received SMS messages.

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