Adware.Gexin.3062

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) qjj-####.hhhtfin####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
fp.fraudme####.cn
l####.tbs.qq.com
loc.map.b####.com
o####.map.b####.com
pub-####.qin####.com
qj####.hhhtfin####.com
qjj-####.hhhtfin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_vxj811

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/XNSDKStore1.0.xml
/data/data/####/XNclientid.xml
/data/data/####/XNmachineid.xml
/data/data/####/authStatus_com.qianjinjin.android;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.qianjinjin.android.BETA_VALUES.xml
/data/data/####/com.qianjinjin.android.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/f4fcac96b8db
/data/data/####/firll.dat
/data/data/####/fm_shared.xml
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kf_10157_ISME9754_guest862822344932882408272779...ournal
/data/data/####/libcuid.so
/data/data/####/libjiagu713695791.so
/data/data/####/local_crash_lock
/data/data/####/logcache
/data/data/####/logcache-journal
/data/data/####/logcache-shm
/data/data/####/logcache-wal
/data/data/####/multidex.version.xml
/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/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/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/####/td_fm.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/xnsdkconfig.xml
/data/data/####/xnsdkconfig.xml.bak
/data/data/####/xpush.xml
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.qianjinjin.android.bin
/data/media/####/com.qianjinjin.android.db
/data/media/####/conlts.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.haohan.android.qdd.module.push.GPushService 25215 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu713695791.so
getprop
getprop net.dns1
getprop ro.product.cpu.abi
ls -l /system/xbin/su
mount

Loads the following dynamic libraries:

Bugly
appcore
getuiext2
libjiagu713695791
locSDK7a
tongdun

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
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.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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