Adware.Gexin.11534

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) ap####.lao####.cn:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) googl####.g.doublec####.net:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) adser####.go####.nl:443
TCP(TLS/1.0) cras####.growi####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) www.go####.nl:443
TCP(TLS/1.0) adser####.go####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
a.appj####.com
adser####.go####.com
adser####.go####.nl
and####.b####.qq.com
ap####.lao####.cn
api.growi####.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
c.appj####.com
cras####.growi####.com
googl####.g.doublec####.net
loc.map.b####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
t####.growi####.com
t.growi####.com
www.go####.com
www.go####.nl
www.gst####.com

HTTP GET requests:

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
ti####.c####.l####.####.com/tdata_EDT369

HTTP POST requests:

a.appj####.com/jiagu/check/upgrade
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
loc.map.b####.com/sdk.php
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/2117995711
/data/data/####/252260662
/data/data/####/3759892cad3d88eced59e2d56d0c00d9c58b3a3325c586e....0.tmp
/data/data/####/6da585a94dc6a94b02a5fdbd9576303ebbf3780e429a352....0.tmp
/data/data/####/910ba2cccb422b141ae76b5568fcc83032876c3346927c2....0.tmp
/data/data/####/ad_show_time.xml
/data/data/####/authStatus_com.laoodao.smartagri;remote.xml
/data/data/####/b809e4ba28365bbc19908bd47a8107af1f0784fb5b726e5....0.tmp
/data/data/####/bf23d84c29354d116d164cb264a5999e751fc3ce024456c....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/ce90e50afb217fbd2574119cf4797178a8a8481d71fd5ac....0.tmp
/data/data/####/com.laoodao.smartagri;pushservice.growing.db
/data/data/####/com.laoodao.smartagri;pushservice.growing.db-journal
/data/data/####/com.laoodao.smartagri;remote.growing.db-journal
/data/data/####/com.laoodao.smartagri_preference.xml
/data/data/####/crashrecord.xml
/data/data/####/d58ea49f951b
/data/data/####/dce3b8bb9e93eb6f727a8287943ca982089a03bf6b0adf6....0.tmp
/data/data/####/e5041aa84883e39642e38f021c0303d0313b49fab6d749b....0.tmp
/data/data/####/e628bd383251f2c0cc80dc434152524e8a1cc8d4aea167d....0.tmp
/data/data/####/ee0b7b3954eb203b26b484f985be7d55700455e781310e8....0.tmp
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/gkt-journal
/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/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.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/####/security_info
/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/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.laoodao.smartagri.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_RSQ274
/data/media/####/tdata_RbW195
/data/media/####/tdata_qHR433
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25116 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25116 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu
locSDK7a

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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