Adware.Gexin.6084

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) static-####.al####.huisuo####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.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) v.g####.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) loc.map.b####.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) rb.api.huisuo####.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(HTTP/1.1) ad.p####.huisuo####.com:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) sdkc####.e.360.cn:443
TCP(TLS/1.0) regi####.xm####.gl####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226
TCP openj####.m.ta####.com:80
TCP app.c####.gl####.####.net:5222
TCP ope####.m.ta####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
ad.p####.huisuo####.com
ag####.m.ta####.com
amdc####.m.ta####.com
app.c####.gl####.####.net
c####.g####.ig####.com
c-h####.g####.com
fp.fraudme####.cn
imgc####.qq.com
l####.tbs.qq.com
loc.map.b####.com
mi.g####.qq.com
p####.ugd####.com
plb####.u####.com
qzones####.g####.cn
rb.api.huisuo####.com
regi####.xm####.gl####.####.com
reso####.msg.xi####.net
s####.e.qq.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
ssl.gst####.com
static-####.al####.huisuo####.com
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com
v.g####.qq.com
www.go####.com
www.gst####.com

HTTP GET requests:

mi.g####.qq.com/gdt_mview.fcg?posw=####&posh=####&count=####&r=####&data...
p####.tc.qq.com/qzone/biz/gdt/mob/sdk/v2/android02/images/tsa_ad_logo.png
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
reso####.msg.xi####.net/gslb/?ver=####&type=####&conpt=####&uuid=####&li...
s####.tc.qq.com/gdt/0/transformer_5690187869803664156_1543815835_80.jpg/...
static-####.al####.huisuo####.com/app/entry/new_function_config_flag.json
static-####.al####.huisuo####.com/app/share/huakang_buding.TTF
static-####.al####.huisuo####.com/app/share/huakang_wawa.TTF
static-####.al####.huisuo####.com/news/news_source_config.json
t####.c####.q####.####.com/tdata_kgM272
t####.c####.q####.####.com/tdata_vHH584
ti####.c####.l####.####.com/config/hz-hzv3.conf
v.g####.qq.com/gdt_stats.fcg?viewid=####&i=####&os=####&xp=####&gap=####

HTTP POST requests:

ad.p####.huisuo####.com/lock/ad/request
ad.p####.huisuo####.com/lock/open/screen/strategy?id=####
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/offline_loc
loc.map.b####.com/sdk.php
rb.api.huisuo####.com/frontend/config/app
rb.api.huisuo####.com/frontend/config/front-page-news-credit-config/load
rb.api.huisuo####.com/frontend/config/right-slide-credit-config/load
rb.api.huisuo####.com/frontend/login/device
rb.api.huisuo####.com/frontend/revision-read/config
s####.e.qq.com/activate
s####.e.qq.com/msg
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.cfg.hq
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lscmf.lscmf
/data/data/####/.mlcmf.ct
/data/data/####/.rscms.rscm
/data/data/####/.splash_ad_strategy_file
/data/data/####/.td-3
/data/data/####/5ead7c1916e321af3ee0d7d6aa595238.temp
/data/data/####/ACCS_BINDumeng;520c538a56240bdc4a0d118f.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/AKTorchDownload.db-journal
/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/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/XMPushServiceConfig.xml
/data/data/####/a021de51355dbcad843217b71a6a22c3.temp
/data/data/####/a==7.5.4&&4.7.3.6_1544228211475_envelope.log
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/area_map.db.tmp
/data/data/####/cloud_switch_cache
/data/data/####/com.huaqian;pushservice
/data/data/####/core_info
/data/data/####/core_update
/data/data/####/core_update_locker
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0MjI4MjA5MDMz;
/data/data/####/dW1weF9wdXNoX2xhdW5jaF8xNTQ0MjI4MjIzODMx;
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/device_collector
/data/data/####/device_collector_locker
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/finalcore.jar
/data/data/####/firll.dat
/data/data/####/fm_shared.xml
/data/data/####/gdaemon_20161017
/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/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/huaqian.preferences.xml
/data/data/####/i==1.2.0&&4.7.3.6_1544228209043_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu1669361268.so
/data/data/####/locker
/data/data/####/log_reupload_task
/data/data/####/log_reupload_task_locker
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/ml-region-11.db.tmp
/data/data/####/multidex.version.xml
/data/data/####/null-raw.db-journal
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/openudid_prefs.xml
/data/data/####/pref_registered_pkg_names.xml
/data/data/####/profile_task
/data/data/####/profile_task_locker
/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/####/sp_client_report_status.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/td_fm.jar
/data/data/####/tdata_kgM272
/data/data/####/tdata_kgM272.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/torch_sdk_config.xml
/data/data/####/torch_sdk_config.xml.bak (deleted)
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak (deleted)
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/uninstall_apk
/data/data/####/uninstall_apk_locker
/data/data/####/update_lc
/data/data/####/waitingDown
/data/data/####/waitingDown_locker
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.sfp
/data/media/####/.td-3
/data/media/####/.testf
/data/media/####/.umm.dat
/data/media/####/0389995732e44c2abbc2ac203c6da6a3
/data/media/####/85343bbff13849559163a17f31f86fcf
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/b41297b696cc4cf2bf82aadb2f1276d7
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.huaqian.bin
/data/media/####/com.huaqian.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/d8014d5d488a4341b75ec7e2c762cf45
/data/media/####/deviceToken
/data/media/####/huakang_buding.TTF.tmp
/data/media/####/huakang_wawa.TTF.tmp
/data/media/####/ller.dat
/data/media/####/log.lock
/data/media/####/log1.txt
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_kgM272
/data/media/####/tdata_vHH584
/data/media/####/test.0
/data/media/####/test.log
/data/media/####/uninstall_apk_list

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:520c538a56240bdc4a0d118f","utdid":"XAsNcKkMrnEDAGdzx1HvmdaS","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushservice.getui.GTLocalPushService 24108 300 0
chmod 444/storage/emulated/0/.td-3
chmod 444/storage/emulated/0/Android/.td-3
chmod 444/storage/emulated/0/DCIM/.td-3
chmod 444/storage/emulated/0/Download/.td-3
chmod 444/storage/emulated/0/Movies/.td-3
chmod 444/storage/emulated/0/Music/.td-3
chmod 444/storage/emulated/0/Pictures/.td-3
chmod 444/storage/emulated/0/Podcasts/.td-3
chmod 444/storage/emulated/0/Ringtones/.td-3
chmod 444/storage/emulated/0/res/.td-3
chmod 444/storage/emulated/0/tencent/.td-3
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1669361268.so
getprop net.dns1
getprop ro.product.cpu.abi
ls -l /system/xbin/su
ls /
ls /sys/class/thermal
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.pushservice.getui.GTLocalPushService 24108 300 0

Loads the following dynamic libraries:

andfix
getuiext2
libjiagu1669361268
locSDK6a
tnet-3.1
tongdun
ut_c_api

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
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.

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.

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