Adware.Gexin.10822

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.3.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) un####.wos####.cn:8061
TCP(HTTP/1.1) 2####.107.1.1:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) unipa####.wos####.cn:8080
TCP(HTTP/1.1) se####.wos####.cn:81
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) p####.wos####.cn:28084
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) poll-di####.cooteks####.com:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) api.id####.cn:443
TCP(TLS/1.0) app-ro####.leanc####.cn:443
TCP(TLS/1.0) l####.tbs.qq.com:443
TCP(TLS/1.0) schedul####.yo####.com:443
TCP p####.wos####.cn:8064
TCP c####.g####.ig####.com:5226
TCP p####.wos####.cn:18097
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.b####.qq.com
a####.man.aliy####.com
a####.u####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.id####.cn
app-ro####.leanc####.cn
c####.g####.ig####.com
c####.g####.ig####.com
c-h####.g####.com
l####.tbs.qq.com
log.u####.com
norma-e####.m####.com
p####.wos####.cn
poll-di####.cooteks####.com
pub-####.qin####.com
q.tinkerp####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
se####.wos####.cn
tj.youza####.com
un####.wos####.cn
unipa####.wos####.cn

HTTP GET requests:

et2-na6####.wagbr####.ali####.####.com/bar/get/4e6efeb5527015155900002f/...
norma-e####.m####.com/android/exchange/getpublickey.do
poll-di####.cooteks####.com/dualsim/appkey_dsi?appkey=####&host=####&man...
ti####.c####.l####.####.com/config/hz-hzv3.conf
ti####.c####.l####.####.com/tdata_EDT356

HTTP POST requests:

a####.u####.com/app_logs
aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
norma-e####.m####.com/push/android/external/add.do
p####.wos####.cn:28084/cgi-bin/push/event/report
sdk.o####.p####.####.com/api.php?format=####&t=####
se####.wos####.cn:81/unipay/precheck?secrettype=####&sdktime=####&urlsig...
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####
ti####.c####.l####.####.com/c/85d710f58cc4fcea?d=####&v=####
un####.wos####.cn:8061/logserver/unipay/unipayLogin
unipa####.wos####.cn:8080/sdk_upgrade_server/sdkupdate.action

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/1004
/data/data/####/4.8.0M2111B0601_resource_400.apk
/data/data/####/85d710f58cc4fcea_version.info
/data/data/####/AV_CLOUD_API_VERSION_KEY_ZONE.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/app_setting.xml
/data/data/####/app_setting.xml (deleted)
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml
/data/data/####/com.avos.avoscloud.approuter.iKG9v5Bnh6R3m6bvfN...sz.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/com.youzan.mobile.AnalyticsPrefs.xml
/data/data/####/common.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/events
/data/data/####/events-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/####/httpdns_config_cache.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/local.jar
/data/data/####/local_crash_lock
/data/data/####/login
/data/data/####/mix.dex
/data/data/####/msg_store.xml
/data/data/####/multidex.version.xml
/data/data/####/mz_push_preference.xml
/data/data/####/native_record_lock
/data/data/####/patch_server_config.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/####/sdk_load_info.xml
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/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/data/####/unicom_cl.xml
/data/data/####/unicom_cl.xml.bak
/data/data/####/user_id.xml
/data/data/####/version.lock
/data/data/####/wwoclasses.dex
/data/data/####/wwoclasses.dve
/data/data/####/wwoclasses.jar
/data/data/####/xw_msg_store.xml
/data/media/####/.nomedia
/data/media/####/2019-03-23.log.txt
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/UserID.dat
/data/media/####/addata22.dat
/data/media/####/app.db
/data/media/####/com.appshare.android.ilisten.bin
/data/media/####/com.appshare.android.ilisten.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/data0.dat
/data/media/####/data1.dat
/data/media/####/data111.dat
/data/media/####/deviceInfo.data
/data/media/####/dualsim.dat
/data/media/####/test.log
/data/media/####/yot5489.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getuipush.MyPushService 25806 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.code
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
mount
netstat -apn
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getuipush.MyPushService 25806 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
libnfix
libshella-2.9.0.2
libufix
me_unipay
nfix
realm-jni
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
DESede-CBC-NoPadding
RSA-ECB-PKCS1Padding

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.

Manages Wi-Fi connectivity.

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Formazione ed informazione

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