Adware.Gexin.13005

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) api.tianq####.com:80
TCP(HTTP/1.1) is.sn####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sf6-ttc####.ps####.com.####.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) api.tj.tianq####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) i####.t####.s####.com:80
TCP(HTTP/1.1) imgc####.qq.com.####.com:80
TCP(SSL/3.0) gd-s####.j####.cn:443
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) mobads-####.b####.com:443
TCP(TLS/1.0) gd-s####.j####.cn:443
TCP(TLS/1.0) t####.j####.cn:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) 1####.217.168.238:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) bds.sn####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) is.sn####.com:443
UDP s.j####.cn:19000
UDP easytom####.com:19000
TCP 1####.230.236.29:7005

DNS requests:

a####.exc.mob.com
a####.u####.com
ali-s####.j####.cn
api.map.b####.com
api.tianq####.com
api.tj.tianq####.com
bds.sn####.com
easytom####.com
gd-s####.j####.cn
i####.t####.s####.com
imgc####.qq.com
is.sn####.com
loc.map.b####.com
m.d####.mob.com
mi.g####.qq.com
mo####.b####.com
mobads-####.b####.com
s####.e.qq.com
s.j####.cn
sf1-ttc####.ps####.com
sf6-ttc####.ps####.com
sis.j####.io
ssl.gst####.com
t####.j####.cn
www.go####.com
www.gst####.com

HTTP GET requests:

imgc####.qq.com.####.com/qzone/biz/gdt/mod/android/AndroidAllInOne/progu...
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
mi.g####.qq.com/gdt_mview.fcg?actual_width=####&count=####&r=####&templa...
sf1-ttc####.ps####.com/img/web.business.image/201904245d0d6304cc4ef34d40...
sf6-ttc####.ps####.com.####.com/obj/web.business.image/201904125d0d89c4d...

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
api.tianq####.com/?service=####
api.tianq####.com/V2/?service=####
api.tj.tianq####.com/?service=####
i####.t####.s####.com/tracer/applist
is.sn####.com/V2/?service=####
s####.e.qq.com/activate

File system changes:

Creates the following files:

/data/data/####/.bak
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/145651e88957748fa5c7d60776b13b4c67675fa5fff5aaf....0.tmp
/data/data/####/1475846639
/data/data/####/1e4058d6-1d8e-47c0-a50e-17a627cbc6e1
/data/data/####/715a9aef-e184-48a4-bfe7-395849eb09ba
/data/data/####/7dbd79b1-ba53-41b5-9882-b59757846412
/data/data/####/BuglySdkInfos.xml
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/TodayStepDB.db-journal
/data/data/####/__x_adsdk_agent_header__.xml
/data/data/####/__xadsdk__remote__final__builtin__.jar
/data/data/####/__xadsdk__remote__final__builtinversion__.jar
/data/data/####/__xadsdk__remote__final__running__.jar
/data/data/####/appPackageNames_v2
/data/data/####/authStatus_com.intimateweather.weather.xml
/data/data/####/authStatus_com.intimateweather.weather;pushcore.xml
/data/data/####/authStatus_com.intimateweather.weather;remote.xml
/data/data/####/authStatus_com.intimateweather.weather;todaystep.xml
/data/data/####/b7147e79-68d4-453c-b3b9-2c2a2d4a177b
/data/data/####/c99edea1-abf5-4586-b7a4-e382eb16f93c
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.baidu.mobads.loader.xml
/data/data/####/core_info
/data/data/####/d8e01aba4bae597ebbff6a854e5962755fec7ff2cb4232c....0.tmp
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f4f46415-dd67-4dc4-b583-18db86c5576c
/data/data/####/firll.dat
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.next
/data/data/####/gdt_plugin.tmp.sig
/data/data/####/gdt_suid
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/journal.tmp
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/libcuid.so
/data/data/####/libjiagu1911406002.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/sdk_config.xml
/data/data/####/ss_downloads.db-journal
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/today_step_share_prefs.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/update_lc
/data/data/####/upload_device_data_time.xml
/data/data/####/weather.xml
/data/data/####/weatherCity.db
/data/data/####/weatherCity.db-journal
/data/data/####/webview.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nomedia
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.push_deviceid
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/microlog.txt
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

getprop ro.build.version.emui
getprop ro.product.cpu.abi
ps
sh

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_5_2
imagepipeline
jcore126
libjiagu1911406002
locSDK7b
neh
nms

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding

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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