Adware.Gexin.6930

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) log.r####.com:80
TCP(HTTP/1.1) ip.ta####.com:80
TCP(HTTP/1.1) norma-e####.m####.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.zhuishu####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(TLS/1.0) ex####.sn####.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) cdn####.appa####.com:443
TCP(TLS/1.0) experi####.appa####.com:443
TCP(TLS/1.0) i.sn####.com:443
TCP(TLS/1.0) is.sn####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.u####.com
and####.b####.qq.com
api.zhuishu####.com
c####.g####.ig####.com
c####.g####.ig####.com
c-h####.g####.com
cdn####.appa####.com
dc1.network####.com
ex####.sn####.com
experi####.appa####.com
i.sn####.com
ip.ta####.com
is.sn####.com
log.r####.com
norma-e####.m####.com
redi####.network####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sf1-ttc####.ps####.com

HTTP GET requests:

api.zhuishu####.com/config/umeng/onlineParam?platform=####
ip.ta####.com/service/getIpInfo2.php?ip=####
log.r####.com/receive/gettime
norma-e####.m####.com/android/exchange/getpublickey.do
sf1-ttc####.ps####.com/img/ad.union.api/d6c1e8d31a408d79d75dccfb9182c620...
t####.c####.q####.####.com/tdata_kgM272
t####.c####.q####.####.com/tdata_vHH584
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
log.r####.com/receive/tkio/install
log.r####.com/receive/tkio/startup
norma-e####.m####.com/push/android/external/add.do
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/1004
/data/data/####/3994b8e53327faa3a40269f320dc428f.0.tmp
/data/data/####/3994b8e53327faa3a40269f320dc428f.1.tmp
/data/data/####/4c58a1153b75f3411f582af01f40388c.0.tmp
/data/data/####/4c58a1153b75f3411f582af01f40388c.1.tmp
/data/data/####/ADHOC_SHARED_PREFERENCE.xml
/data/data/####/ADHOC_SHARED_PREFERENCE.xml.bak (deleted)
/data/data/####/MultiDex.lock
/data/data/####/Reyun.db
/data/data/####/Reyun.db-journal
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/app_crash_copy.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.networkbench.agent.impl.v2_com.ushaqi.zhuis...qi.xml
/data/data/####/com.ushaqi.zhuishushenqi_preferences.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/crashrecord.xml
/data/data/####/d7bb9a2915b20ac039ae003f18340a66.0.tmp
/data/data/####/d7bb9a2915b20ac039ae003f18340a66.1.tmp
/data/data/####/disk_entries_list_comicsreadercache_1834695292.xml
/data/data/####/downloader.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/increment_cache_file
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu1146379296.so
/data/data/####/local_crash_lock
/data/data/####/mistat.db
/data/data/####/mistat.db-journal
/data/data/####/mistat.xml
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mobclick_agent_cached_com.ushaqi.zhuishushenqi4040
/data/data/####/multidex.version.xml
/data/data/####/new_user_attribute
/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_kgM272
/data/data/####/tdata_kgM272.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/tracking_install.xml
/data/data/####/tracking_interval.xml
/data/data/####/tt_materialMeta.xml
/data/data/####/tt_splash.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/zhuishushenqi.db-journal
/data/data/####/zs_online_param.xml
/data/data/####/zssq_session.xml
/data/media/####/.artc_lock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/2018-12-23.log.txt
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.ushaqi.zhuishushenqi.bin
/data/media/####/com.ushaqi.zhuishushenqi.db
/data/media/####/tdata_kgM272
/data/media/####/tdata_vHH584
/data/media/####/test.log
/data/media/####/tt_splash_image_cache

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>.push.GeTuiPushService 25494 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.GeTuiPushService 25494 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu1146379296

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-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 APN settings.

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

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