Adware.Gexin.8607

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) api.j####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ws.j####.com:80
TCP(TLS/1.0) mtjso####.b####.com:443
TCP(TLS/1.0) 2####.58.212.142:443
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
and####.b####.qq.com
api.j####.com
c####.g####.ig####.com
c-h####.g####.com
dc1.network####.com
dxp.b####.com
h####.b####.com
mtjso####.b####.com
pub-####.qin####.com
redi####.network####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ws.j####.com

HTTP GET requests:

api.j####.com/v6/ad/appLaunch?source=####&version=####
api.j####.com/v6/app/marketConfigs?source=####&version=####
api.j####.com/v6/user/get_push_setting?clientId=####&source=####&version...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_OPb601
t####.c####.q####.####.com/tdata_YYn966
ti####.c####.l####.####.com/config/hz-hzv3.conf
ws.j####.com/ws

HTTP POST requests:

a####.exc.mob.com/errconf
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/1002
/data/data/####/1004
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1550067145095
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml.bak
/data/data/####/com.jinse.app.BETA_VALUES.xml
/data/data/####/com.networkbench.agent.impl.v2_com.jinse.app.xm...leted)
/data/data/####/com.networkbench.agent.impl.v2_com.jinse.app.xml
/data/data/####/crashrecord.xml
/data/data/####/domain_1
/data/data/####/fc1865114347
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jinse.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu258041337.so
/data/data/####/local_crash_lock
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/notes-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/####/sonic.db-journal
/data/data/####/tdata_OPb601
/data/data/####/tdata_OPb601.jar
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/trace_circle.data
/data/media/####/.artc_lock
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.timestamp
/data/media/####/0383407ace3a2216eafcb3943f36b921.0.tmp
/data/media/####/0383407ace3a2216eafcb3943f36b921.1.tmp
/data/media/####/84c96b1ed58459383ec679d17e8d213c.0.tmp
/data/media/####/84c96b1ed58459383ec679d17e8d213c.1.tmp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jinse.app.bin
/data/media/####/com.jinse.app.db
/data/media/####/journal.tmp
/data/media/####/tdata_OPb601
/data/media/####/tdata_YYn966
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.JinSePushService 24269 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.JinSePushService 24269 300 0

Loads the following dynamic libraries:

Bugly
crash_analysis
getuiext2
libjiagu258041337

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

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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