Adware.Gexin.12043

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) s0.zhenron####.com.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) a.zhenron####.com:443
TCP(TLS/1.0) experi####.appa####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) cdn####.appa####.com:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) clou####.link####.cn:443
TCP(TLS/1.0) s0.zhenron####.com.####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) s5.zhenron####.com.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a.zhenron####.com
api.growi####.com
c####.g####.ig####.com
c-h####.g####.com
cdn####.appa####.com
clou####.link####.cn
experi####.appa####.com
fp.fraudme####.cn
log.u####.com
pub-####.qin####.com
q.tinkerp####.com
s####.u####.com
s0.zhenron####.com
s4.zhenron####.com
s5.zhenron####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.growi####.com
t.growi####.com
tra####.appa####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
s0.zhenron####.com.####.com/zrb/178d6356916457f414643447677297.PNG
s0.zhenron####.com.####.com/zrb/ea0fbc442e03574b14733343978092.png
t####.c####.q####.####.com/tdata_RSQ274
t####.c####.q####.####.com/tdata_RbW195
t####.c####.q####.####.com/tdata_qHR433
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
ti####.c####.l####.####.com/3dec48667d6c3d20/4.3.0?d=####&v=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/388a7db9a9bc713b69fbbf862596aeb3.0.tmp
/data/data/####/388a7db9a9bc713b69fbbf862596aeb3.1.tmp
/data/data/####/72ef1310864da9f3d4b84ec995a76285.0.tmp
/data/data/####/72ef1310864da9f3d4b84ec995a76285.1.tmp
/data/data/####/7c58864e3d19c37f553cedfeb5053e39.0.tmp
/data/data/####/7c58864e3d19c37f553cedfeb5053e39.1.tmp
/data/data/####/99c88c46554d
/data/data/####/ADHOC_SHARED_PREFERENCE.xml
/data/data/####/ADHOC_SHARED_PREFERENCE.xml (deleted)
/data/data/####/ADHOC_SHARED_PREFERENCE.xml.bak
/data/data/####/b024d838e5edc3db762c5c52f2418a6c.0.tmp
/data/data/####/b024d838e5edc3db762c5c52f2418a6c.1.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.zrb;pushservice.growing.db
/data/data/####/com.zrb;pushservice.growing.db-journal
/data/data/####/com.zrb_preferences.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fm_shared.xml
/data/data/####/gdaemon_20161017
/data/data/####/gkt-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/gx_sp.xml
/data/data/####/increment_cache_file
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/izrb.db-journal
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/multidex.version.xml
/data/data/####/patch_server_config.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/td_fm.jar
/data/data/####/tdata_RSQ274
/data/data/####/tdata_RSQ274.jar
/data/data/####/tdata_RbW195
/data/data/####/tdata_RbW195.jar
/data/data/####/tdata_qHR433
/data/data/####/tdata_qHR433.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/version.info
/data/data/####/version.lock
/data/data/####/zhenrongbao.xml
/data/media/####/-1327132676.tmp
/data/media/####/-1586005340.tmp
/data/media/####/2126574020.tmp
/data/media/####/735118507.tmp
/data/media/####/ADHOC_CLIENT_ID
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.zrb.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_RSQ274
/data/media/####/tdata_RbW195
/data/media/####/tdata_qHR433
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 23699 300 0
cat /proc/cpuinfo
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop net.dns1
ls -l /system/xbin/su
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 23699 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu
tongdun

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Accesses the ITelephony private interface.

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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