Adware.Gexin.6112

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) pub-####.qin####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) www.go####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) o####.c5####.com:443
TCP(TLS/1.0) eco####.me####.com.####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
c####.g####.ig####.com
c-h####.g####.com
dxp.b####.com
eco####.me####.com
h####.b####.com
log.u####.com
o####.c5####.com
pub-####.qin####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.go####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_ntt510
ti####.c####.l####.####.com/config/hz-hzv3.conf
www.go####.com/complete/search?hl=####&client=####&q=####

HTTP POST requests:

a####.u####.com/app_logs
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/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1544278047117.log
/data/data/####/Alvin2.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/Meiqia.xml
/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_1544278046096
/data/data/####/aa8053a174c4
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu1974999856.so
/data/data/####/meiqia.db
/data/data/####/meiqia.db-journal
/data/data/####/mtj_auto.config
/data/data/####/mtj_autoTracker.js
/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/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_ntt510
/data/data/####/tdata_ntt510.jar
/data/data/####/trace_circle.data
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.imbastar.c5game.bin
/data/media/####/com.imbastar.c5game.db
/data/media/####/tdata_Soq141
/data/media/####/tdata_ntt510
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.util.getui.GetuiPushService 24824 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
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>.util.getui.GetuiPushService 24824 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu1974999856

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

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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