Adware.Gexin.7548

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(DNS) <Google DNS>
TCP(HTTP/1.1) c####.api.36####.com:80
TCP(HTTP/1.1) cdn-####.lud####.com:80
TCP(HTTP/1.1) sj####.lud####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) p####.tc.qq.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) ope####.l####.360.cn:80
TCP(HTTP/1.1) www.lud####.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(SSL/3.0) gd-s####.j####.cn:443
TCP(TLS/1.0) analy####.map.qq.com:443
TCP(TLS/1.0) mobads-####.b####.com:443
TCP(TLS/1.0) gd-s####.j####.cn:443
TCP(TLS/1.0) sh####.me####.com:443
TCP(TLS/1.0) 47.2####.15.223:443
TCP(TLS/1.0) 1####.15.181.187:443
TCP(TLS/1.0) na61-####.wagbr####.adverti####.####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) t####.j####.cn:443
TCP(TLS/1.0) sj####.lud####.com:443
TCP(TLS/1.0) 1####.11.136.24:443
TCP(TLS/1.0) sdkc####.e.360.cn:443
TCP(TLS/1.0) 47.88.1####.5:443
TCP openj####.m.ta####.com:80
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226
TCP 2####.119.216.50:443
TCP 1####.121.49.98:7000
UDP easytom####.com:19000
TCP app.c####.gl####.####.net:5222
UDP 43.2####.88.106:19000
UDP s.j####.cn:19000

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
ag####.m.ta####.com
ali-s####.j####.cn
amdc####.m.ta####.com
analy####.map.qq.com
app.c####.gl####.####.net
c####.api.36####.com
c####.g####.ig####.com
c-h####.g####.com
cdn-####.lud####.com
easytom####.com
gd-s####.j####.cn
imgc####.qq.com
mi.g####.qq.com
mo####.b####.com
mobads-####.b####.com
nbsdk-b####.al####.com
norma-e####.m####.com
ope####.l####.360.cn
plb####.u####.com
regi####.xm####.gl####.####.com
reso####.msg.xi####.net
s####.e.qq.com
s####.j####.cn
s.j####.cn
s.lud####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sdkc####.e.360.cn
sh####.me####.com
sis.j####.io
sj####.lud####.com
t####.j####.cn
tunion####.m.ta####.com
u####.u####.com
umengj####.m.ta####.com
www.lud####.com

HTTP GET requests:

c####.api.36####.com/group/?method=####&n=dGgyW####
cdn-####.lud####.com/cms/project_9/android/xingnengpingce_yun_cfg.html
mi.g####.qq.com/gdt_mview.fcg?actual_width=####&count=####&r=####&templa...
norma-e####.m####.com/android/exchange/getpublickey.do
ope####.l####.360.cn/sdkv2/city?u=####&sign=####&version=####&news_sdk_v...
ope####.l####.360.cn/sdkv2/local?u=####&sign=####&version=####&news_sdk_...
ope####.l####.360.cn/sdkv2/place?u=####&sign=####&version=####&market=##...
ope####.l####.360.cn/sdkv2/tabs?u=####&sign=####&version=####&news_sdk_v...
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
reso####.msg.xi####.net/gslb/?ver=4.0&type=wap&conpt=dvidpodv >>4>>4>>4...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930
www.lud####.com/cms/android/toolbox.php?appver=####&channel=####
www.lud####.com/cms/ver/android/new_ver_update_config.php?rom=####&sysve...

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
c-h####.g####.com/api.php?format=####&t=####
norma-e####.m####.com/push/android/external/add.do
ope####.l####.360.cn/sdkv2/access_token?ts=####&rn=####&ap=####&sign=###...
s####.e.qq.com/activate
s####.e.qq.com/launch
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####
sj####.lud####.com/rank_v2/index.php?action=####&token=####
sj####.lud####.com/rank_v3/index.php?action=####&token=####
sj####.lud####.com/rank_v4/index.php?action=####&token=####
sj####.lud####.com/rank_v5/index.php?action=####&token=####
www.lud####.com/cms/android/cloud_config.php
www.lud####.com/cms/android/module_cfg.php

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/176e4860-478b-4750-89a1-583b361384af
/data/data/####/1dbbfcd8-2d2b-41a3-9bbf-bce7c68419a8
/data/data/####/1f4df727-abc2-4545-9a30-4f0b8fd77eeb
/data/data/####/2295.yaqcookie
/data/data/####/2927.yaqcookie
/data/data/####/3166.yaqcookie
/data/data/####/3414.yaqcookie
/data/data/####/3fcf2777-b139-4388-b327-41f1c77fa154
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/JPushSA_Config.xml
/data/data/####/MessageStore.db
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db
/data/data/####/MsgLogStore.db-journal
/data/data/####/XMPushServiceConfig.xml
/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/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/allinance_datacache.xml
/data/data/####/apk_dl_info.db
/data/data/####/apk_dl_info.db-journal
/data/data/####/app.xml
/data/data/####/appPackageNames_v2
/data/data/####/app_sp.sp
/data/data/####/app_sp.sp.bak
/data/data/####/benchScore.xml
/data/data/####/benchmark_service.db
/data/data/####/benchmark_service.db-journal
/data/data/####/boostGame.xml
/data/data/####/camera_file.xml
/data/data/####/charger_info.xml
/data/data/####/cloud_config.xml
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.android.user.profile.xml.bak
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.baidu.mobads.loader.xml
/data/data/####/com.ludashi.benchmark;pushcore
/data/data/####/com.ludashi.benchmark_com.ludashi.benchmark_fra...es.xml
/data/data/####/com.ludashi.benchmark_preferences.xml
/data/data/####/com.ludashi.benchmark_preferences.xml.bak
/data/data/####/com.ludashi.benchmark_preferences.xml.bak (deleted)
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ3MjYzNTE3Mzg1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ3MjYzNTMzODIw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ3MjYzNTUyNDgz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ3MjYzNTYyODYx;
/data/data/####/daemon.pid
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/dexMethod.36117467.dat
/data/data/####/dexMethod.82560842.dat
/data/data/####/eg_policy.xml
/data/data/####/eguan.db
/data/data/####/eguan.db-journal
/data/data/####/eguan_app.db
/data/data/####/eguan_app.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/finalcore.dex
/data/data/####/finalcore.jar
/data/data/####/gdaemon_20161017
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.dex (deleted)
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_plugin.tmp.sig
/data/data/####/gdt_suid
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&9.0.5.19.0111_1547263565003_envelope.log
/data/data/####/imei.xml
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_uncaughtexception_file
/data/data/####/libMyCore3.so
/data/data/####/libjiagu-1041983504.so
/data/data/####/libyaqbasic.36117467.so
/data/data/####/libyaqbasic.82560842.so
/data/data/####/libyaqpro.36117467.so
/data/data/####/libyaqpro.82560842.so
/data/data/####/locker
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush.xml
/data/data/####/mipush.xml.bak
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_extra.xml.bak
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/msg_box_white.xml
/data/data/####/multidex.version.xml
/data/data/####/mz_push_preference.xml
/data/data/####/new_device_rcmd.xml
/data/data/####/news_sdk_location.xml
/data/data/####/news_sdk_status.xml
/data/data/####/newssdk_req_token.xml
/data/data/####/p_w_l.xml
/data/data/####/pref_registered_pkg_names.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/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/sdk_config.xml
/data/data/####/shared_pref_clear_sdk.xml
/data/data/####/sp_client_report_status.xml
/data/data/####/sp_hd.xml
/data/data/####/sp_replace_flag.sp
/data/data/####/sp_replace_flag.sp.bak
/data/data/####/sputil.sp
/data/data/####/sputil.sp.bak
/data/data/####/tb_session.xml
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/timestamp
/data/data/####/toolbox_shared_pref.xml
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_message_state.xml.bak
/data/data/####/update_lc
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal (deleted)
/data/data/####/yaqsdkcookie
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.sfp
/data/media/####/.testf
/data/media/####/2019-01-12.log.txt
/data/media/####/5c2bec6a9f8543caa8774dd8cad06640
/data/media/####/989fba8ec6844d3c8d6dce3fbef99273
/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.ludashi.benchmark.bin
/data/media/####/com.ludashi.benchmark.db
/data/media/####/crash_report
/data/media/####/diagnose.html
/data/media/####/e.g
/data/media/####/log.lock
/data/media/####/log1.txt
/data/media/####/ludashi-benchmark-2019-01-12-03-24-51.log
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/DaemonServer -s <Package Folder>/lib/ -n runServer -p startservice -n <Package>/com.taobao.accs.ChannelService --user 0 -f <Package Folder> -t 600 -c agoo.pid -P <Package Folder> -K 1009527 -U tb_accs_eudemon_1.1.3 -L http://agoodm.m.taobao.com/agoo/report -D {"package":"<Package>","appKey":"umeng:582988138f4a9d129500017c","utdid":"XDld/lKxOd8DAGdzx1FsZ8u0","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushserver.getui.GetuiPushService 25096 300 0
<Package Folder>/lib/libldsdaemon_2.so <Package Folder>/daemon.pid <Package>/.daemon.DaemonReceiver 0 /storage/emulated/0/Android/data/<Package>/files/LudashiErase <Package Folder>/ http://sjrank.ludashi.com/other/uninst.php?action=index&appver=161&mid=44a35ebd04ad34516bdaaaa08632e3da&channel=360wallpaperpc /murl?os=null&chanel=360wallpaperpc&source=new&vendor=<System Property>&mid=44a35ebd04ad34516bdaaaa08632e3da&type=uninstall_silent&modal=<System Property>&appver=0
app_process /system/bin com.android.commands.am.Am broadcast -n <Package>/.daemon.DaemonReceiver --user 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/app_MyLibs/libMyCore3.so
getprop wifi.interface
ls /sys/class/thermal
ps
rm -rf /storage/emulated/0/Android/data/<Package>/files/LudashiErase/*
sh
sh -c <Package Folder>/lib/libldsdaemon_2.so <Package Folder>/daemon.pid <Package>/.daemon.DaemonReceiver 0 /storage/emulated/0/Android/data/<Package>/files/LudashiErase <Package Folder>/ http://sjrank.ludashi.com/other/uninst.php?action=index&appver=161&mid=44a35ebd04ad34516bdaaaa08632e3da&channel=360wallpaperpc /murl?os=null&chanel=360wallpaperpc&source=new&vendor=<System Property>&mid=44a35ebd04ad34516bdaaaa08632e3da&type=uninstall_silent&modal=<System Property>&appver=0
sh -c rm -rf /storage/emulated/0/Android/data/<Package>/files/LudashiErase/*
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushserver.getui.GetuiPushService 25096 300 0

Loads the following dynamic libraries:

cpuinfo_x86
daemonproxy
erase_x86
getuiext3
jcore125
ldsBench_1
libjiagu-1041983504
libyaqbasic.36117467
libyaqbasic.82560842
libyaqpro.36117467
libyaqpro.82560842
tnet-3.1

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
DES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Accesses camera interface.

Gets information about location.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Gets information about accounts associated with the device (Google, Facebook, etc.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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