Android.Gexin.1616

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) chinawe####.c####.l####.####.com:80
TCP(HTTP/1.1) ipv6-as####.m.ta####.com:80
TCP(HTTP/1.1) t####.z####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) 2####.58.208.106:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) h-adash####.ut.ta####.com:443
TCP(TLS/1.0) 1####.217.168.234:443
TCP(TLS/1.0) ada####.m.ta####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.2) 1####.217.168.234:443
TCP(TLS/1.2) 1####.251.36.46:443
TCP(TLS/1.2) 1####.250.179.142:443
UDP 2####.58.208.106:443
TCP cm-1####.g####.com:5224
UDP 1####.217.168.234:443
TCP sdk.o####.t####.####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a####.man.aliy####.com
ada####.ut.ta####.com
adas####.ut.ta####.com
and####.google####.com
av1.x####.com
c####.x####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
i####.cn
id1.cn.8.####.8
k.y####.com
l.y####.com
l.y####.com.####.8
m####.go####.com
md####.google####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.z####.com
v####.atm.y####.com
x####.com

HTTP GET requests:

c####.x####.com:443/sdk/conf?id=####&p=####&v=####&sv=####&cv=####
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_myE644
chinawe####.c####.l####.####.com/config/hzv9.conf
h-adash####.ut.ta####.com:443/rest/gc2?ak=####&av=####&c=####&d=####&sv=...
ipv6-as####.m.ta####.com/sdkconfig.xml
sdk-ope####.g####.com/api/addr.htm
t####.z####.com/treasure/chest/show
ti####.c####.l####.####.com/tdata_qHR433

HTTP POST requests:

ada####.m.ta####.com:443/rest/sur?ak=####&av=####&c=####&v=####&s=####&d...
adash####.man.aliy####.com/man/api?ak=####&s=####
av1.x####.com:443/g/d?crc=####
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
t####.z####.com/accessLog/insert
t####.z####.com/activate/insert
t####.z####.com/ad/adList
t####.z####.com/pageLog/insert
t####.z####.com/push/message/addClientId

File system changes:

Creates the following files:

/data/data/####/-1040700435-1156244359
/data/data/####/-10407004351766667556
/data/data/####/-1141949642-1700802015
/data/data/####/-1708448970654563903
/data/data/####/.jg.ic
/data/data/####/1898611180390620154
/data/data/####/614265483-172338148
/data/data/####/959b590f7f67
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/PlayerUIApk.apk
/data/data/####/PlayerUIApk.dex
/data/data/####/PlayerUIApk.dex.flock (deleted)
/data/data/####/TDCloudSettingsConfig52A1CC8C8A03534A0D2FEC1AE8...ml.bak
/data/data/####/TDCloudSettingsConfig52A1CC8C8A03534A0D2FEC1AE8075441.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/TalingDataConfig52A1CC8C8A03534A0D2FEC1AE8075441.xml
/data/data/####/UTCommon.xml
/data/data/####/ap.Lock
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/cn.com.mma.mobile.tracking.other.xml
/data/data/####/cn.com.mma.mobile.tracking.sdkconfig.xml
/data/data/####/com.zhan.toefltom_preferences.xml
/data/data/####/corpus.db
/data/data/####/corpus.db-journal
/data/data/####/device_id.xml.xml
/data/data/####/dictionary.db
/data/data/####/dictionary.db-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/journal
/data/data/####/libjiagu.so
/data/data/####/pref_longtime.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/question
/data/data/####/question-journal
/data/data/####/run.pid
/data/data/####/talkingdata_file_prefence.xml
/data/data/####/td.lock
/data/data/####/tdata_myE644
/data/data/####/tdata_myE644.dex
/data/data/####/tdata_myE644.dex.flock (deleted)
/data/data/####/tdata_myE644.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/user_info.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/youkusdk_preferences.xml
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/20161221095912_tpo1_listening_repeat1_5.mp3
/data/media/####/20161221095926_tpo1_listening_question1_5.mp3
/data/media/####/657742_3c5ee1b63e705cb39e24a9e324be67221520907919.mp3
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.zhan.toefltom.db
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_myE644
/data/media/####/tpo1_listening_passage1_1.mp3
/data/media/####/tpo1_listening_passage1_2.mp3
/data/media/####/tpo1_listening_passage1_3.mp3
/data/media/####/tpo1_listening_passage2_1.mp3
/data/media/####/tpo1_listening_passage2_2.mp3
/data/media/####/tpo1_listening_passage2_3.mp3
/data/media/####/tpo1_listening_question1_1.mp3
/data/media/####/tpo1_listening_question1_10.mp3
/data/media/####/tpo1_listening_question1_11.mp3
/data/media/####/tpo1_listening_question1_12.mp3
/data/media/####/tpo1_listening_question1_13.mp3
/data/media/####/tpo1_listening_question1_14.mp3
/data/media/####/tpo1_listening_question1_15.mp3
/data/media/####/tpo1_listening_question1_16.mp3
/data/media/####/tpo1_listening_question1_17.mp3
/data/media/####/tpo1_listening_question1_2.mp3
/data/media/####/tpo1_listening_question1_3.mp3
/data/media/####/tpo1_listening_question1_4.mp3
/data/media/####/tpo1_listening_question1_6.mp3
/data/media/####/tpo1_listening_question1_7.mp3
/data/media/####/tpo1_listening_question1_8.mp3
/data/media/####/tpo1_listening_question1_9.mp3
/data/media/####/tpo1_listening_question2_1.mp3
/data/media/####/tpo1_listening_question2_10.mp3
/data/media/####/tpo1_listening_question2_11.mp3
/data/media/####/tpo1_listening_question2_12.mp3
/data/media/####/tpo1_listening_question2_13.mp3
/data/media/####/tpo1_listening_question2_15.mp3
/data/media/####/tpo1_listening_question2_16.mp3
/data/media/####/tpo1_listening_question2_17.mp3
/data/media/####/tpo1_listening_question2_2.mp3
/data/media/####/tpo1_listening_question2_3.mp3
/data/media/####/tpo1_listening_question2_4.mp3
/data/media/####/tpo1_listening_question2_5.mp3
/data/media/####/tpo1_listening_question2_6.mp3
/data/media/####/tpo1_listening_question2_7.mp3
/data/media/####/tpo1_listening_question2_8.mp3
/data/media/####/tpo1_listening_question2_9.mp3
/data/media/####/tpo1_listening_repeat1_17.mp3
/data/media/####/tpo1_listening_repeat2_16.mp3
/data/media/####/tpo1_listening_repeat2_17.mp3
/data/media/####/tpo1_passage1_1.jpg
/data/media/####/tpo1_passage1_2.jpg
/data/media/####/tpo1_passage1_3.jpg
/data/media/####/tpo1_passage2_1.jpg
/data/media/####/tpo1_passage2_2.jpg
/data/media/####/tpo1_passage2_3.jpg
/data/media/####/tpo1_question3.jpg
/data/media/####/tpo1_question4.jpg
/data/media/####/tpo1_question5.jpg
/data/media/####/tpo1_question6.jpg
/data/media/####/tpo1_speaking_question1.mp3
/data/media/####/tpo1_speaking_question1_qd.mp3
/data/media/####/tpo1_speaking_question2.mp3
/data/media/####/tpo1_speaking_question2_qd.mp3
/data/media/####/tpo1_speaking_question3.mp3
/data/media/####/tpo1_speaking_question3_beforeread.mp3
/data/media/####/tpo1_speaking_question3_dialog.mp3
/data/media/####/tpo1_speaking_question3_qd.mp3
/data/media/####/tpo1_speaking_question4.mp3
/data/media/####/tpo1_speaking_question4_beforeread.mp3
/data/media/####/tpo1_speaking_question4_dialog.mp3
/data/media/####/tpo1_speaking_question4_qd.mp3
/data/media/####/tpo1_speaking_question5.mp3
/data/media/####/tpo1_speaking_question5_dialog.mp3
/data/media/####/tpo1_speaking_question5_qd.mp3
/data/media/####/tpo1_speaking_question6.mp3
/data/media/####/tpo1_speaking_question6_dialog.mp3
/data/media/####/tpo1_speaking_question6_qd.mp3
/data/media/####/tpo1_writing.jpg
/data/media/####/tpo1_writing_question.mp3

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
cat /sys/class/net/wlan0/address
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
mount
sh

Loads the following dynamic libraries:

libgetuiext2
libjiagu
libnetcache

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
DES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

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.

Requests the system alert window permission.

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