Adware.Gexin.4378

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(DNS) <Google DNS>
TCP(HTTP/1.1) pub-####.qin####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) m3.s.3####.cn:80
TCP(HTTP/1.1) api.k.36####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) s####.s.360.cn:80
TCP(HTTP/1.1) ab####.m.s.####.cn:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) p.s.3####.cn:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) k####.36####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(SSL/3.0) s0.ssl.q####.com:443
TCP(TLS/1.0) msg.umengc####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) s0.ssl.q####.com:443
TCP(TLS/1.0) api####.me####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) mdm.ope####.360.cn:443
TCP(TLS/1.0) sdkc####.e.360.cn:443
TCP(TLS/1.0) m.k.36####.com:443
TCP(TLS/1.0) cc.p####.dc.####.cn:443
TCP openj####.m.ta####.com:80
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226
UDP easytom####.com:19000
TCP ope####.m.ta####.com:443
TCP 1####.198.21.205:7004
TCP 1####.163.230.183:443
UDP s.j####.cn:19000

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
ab####.m.s.####.cn
ag####.m.ta####.com
amdc####.m.ta####.com
api####.me####.com
api.k.36####.com
c####.g####.ig####.com
c-h####.g####.com
cc.p####.dc.####.cn
easytom####.com
k####.36####.com
k####.36####.com
m.k.36####.com
m3.s.3####.cn
mdm.ope####.360.cn
msg.umengc####.com
p.s.3####.cn
plb####.u####.com
pub-####.qin####.com
s####.s.360.cn
s.3####.cn
s.j####.cn
s0.ssl.q####.com
sdk.c####.ig####.com
sdk.l####.360.cn
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sdkc####.e.360.cn
sis.j####.io
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com
up####.sdk.jig####.cn

HTTP GET requests:

ab####.m.s.####.cn/abtest/cloud.so?appkey=####&dt=####&os=####&ov=####&m...
k####.36####.com//hotrizon2/openscreenad?os=####&time=####&sys=####&bran...
k####.36####.com//k2/appconfig/getjar?appid=####&m=####&m2=####&ch=####&...
k####.36####.com/hotrizon2/appConfig?os=####&use_gear=####&time=####&sys...
k####.36####.com/hotrizon2/apppush/activepush?appid=####&trigger=####&us...
k####.36####.com/hotrizon2/channelnew?bt_conf=####&m2=####&appid=####&m=...
k####.36####.com/hotrizon2/list?kw=####&svc=####&os=####&ckw=####&direct...
k####.36####.com/hotrizon2/list?svc=####&kw=####&os=####&ckw=####&sys=##...
k####.36####.com/k2/ad/m2info/get?appid=####&m=####&m2=####&ch=####&vc=#...
k####.36####.com/k2/api/huajiao/data?appid=####&m=####&m2=####&ch=####&v...
k####.36####.com/k2/api/huajiao/data?os=####&sys=####&m2=####&appid=####...
k####.36####.com/k2/api/privacy/config?appid=####&m=####&m2=####&ch=####...
k####.36####.com/k2/appconfig/getAbRole?os=####&time=####&sys=####&brand...
k####.36####.com/k2/appconfig/getRedpackPop?appid=####&m=####&m2=####&ch...
k####.36####.com/k2/appconfig/getplugin?appid=####&m=####&m2=####&ch=###...
k####.36####.com/k2/appconfig/getpopup?appid=####&m=####&m2=####&ch=####...
k####.36####.com/k2/hotrizon2/aconfig?appid=####&m=####&m2=####&ch=####&...
k####.36####.com/k2/hotrizon2/gettime?pvc=####&os=####&sys=####&pname=##...
pub-####.qin####.com/tdata_EDT356
s####.s.360.cn/ak/6766aa2750c19aad2fa1b32f36ed4aee.html?m2=####
s####.s.360.cn/su/index.php?k=####&av=####&slv=####&sv=####&be=####&cv=#...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_jVg168
t####.c####.q####.####.com/tdata_pSF696

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
api.k.36####.com/k2/api/lockscreen/config?os=####&time=####&sys=####&bra...
c-h####.g####.com/api.php?format=####&t=####
k####.36####.com/hotrizon2/uploadxx2?f=####&from=####&appid=####&m=####&...
k####.36####.com/k2/appconfig/getjarlist?appid=####&curEnv=####&m=####&m...
k####.36####.com/k2/hotrizon2/getSInfo?os=####&sys=####&m2=####&appid=##...
m3.s.3####.cn/api/v1/newid
p.s.3####.cn/pstat/plog.php
p.s.3####.cn/update/update.php?p=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/2033145970-602345128
/data/data/####/75508b99-51a8-46af-957f-906a993af839
/data/data/####/7ab0cbc7-d080-4686-b16c-e35db45a8393
/data/data/####/8c87839ccb4b
/data/data/####/ACCS_BINDumeng;5a56c9198f4a9d0c2f0001a8.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alliance.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/JPushSA_Config.xml
/data/data/####/LittleVideoHome-10-10-10021.dex
/data/data/####/LittleVideoHome-10-10-10021.jar
/data/data/####/LittleVideoHome.lock
/data/data/####/MENU_CACHE.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/PendantConfig.xml
/data/data/####/PluginPullPush-10-10-10008.jar
/data/data/####/PluginPullPush.lock
/data/data/####/QHA_JSON_PERSISTER_42998cf32d552343bc8e460416382dca
/data/data/####/QHDeviceFile
/data/data/####/QHDeviceID.lock
/data/data/####/QH_DeviceSDK.xml
/data/data/####/QH_SDK_M2.xml
/data/data/####/QH_SDK_UserData42998cf32d552343bc8e460416382dca.xml
/data/data/####/QH_SDK_UserData6766aa2750c19aad2fa1b32f36ed4aee.xml
/data/data/####/QH_SDK_sessionID42998cf32d552343bc8e460416382dca.xml
/data/data/####/TAB_CACHE.xml
/data/data/####/Y29tLmxpZ2h0c2t5LnZpZGVv.tick.lock
/data/data/####/ab_test_config.xml
/data/data/####/abtest_base_sp_filename42998cf32d552343bc8e4604...ca.xml
/data/data/####/accs.db-journal
/data/data/####/ad_config_file.xml
/data/data/####/agoo.pid
/data/data/####/app_globel_config_file.xml
/data/data/####/auth_guide_config_sdk.xml
/data/data/####/auth_guide_config_sdk.xml.bak
/data/data/####/channel_webview.db-journal
/data/data/####/cloud_config_file.xml
/data/data/####/cloud_config_file_back_up.xml
/data/data/####/cloud_push_config_file.xml
/data/data/####/cloud_switch_cache
/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/####/core_update
/data/data/####/core_update_locker
/data/data/####/critical_service_config.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTMzMTc2MzUz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTMzMTg4Njc0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTMzMjAwNzM0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTMzMjExODIz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQxNTMzMjIzNjQy;
/data/data/####/daemon_webview.db-journal
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device_collector
/data/data/####/device_collector_locker
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/finalcore.jar
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hotrizon_sharepref.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&1.2.60_1541533175686_envelope.log
/data/data/####/i==1.2.0&&1.2.60_1541533188296_envelope.log
/data/data/####/i==1.2.0&&1.2.60_1541533200506_envelope.log
/data/data/####/i==1.2.0&&1.2.60_1541533223547_envelope.log
/data/data/####/index
/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_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/jpush_uncaughtexception_file
/data/data/####/jpushservice_webview.db-journal
/data/data/####/libjiagu-71411075.so
/data/data/####/light_sky_avast.xml
/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/####/msplugin_ksp.xml
/data/data/####/multidex.version.xml
/data/data/####/p.l
/data/data/####/plugin_multidex.version.xml
/data/data/####/plugin_torch_sdk_config.xml
/data/data/####/plugin_v3_LittleVideoHome-10-10-10021.jar.lock
/data/data/####/plugin_v3_PluginPullPush-10-10-10008.jar.lock
/data/data/####/plugins_PACM.temp.xml
/data/data/####/privacy_config_file.xml
/data/data/####/profile_task
/data/data/####/profile_task_locker
/data/data/####/profile_torch_platform
/data/data/####/push.db-journal
/data/data/####/push.pid
/data/data/####/push_share.xml
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/recommend_engine.xml
/data/data/####/run.pid
/data/data/####/safe_user_info_file.xml
/data/data/####/screen_conf.xml
/data/data/####/session_base_sp_filename42998cf32d552343bc8e460...ca.xml
/data/data/####/session_base_sp_filenameandroidID.xml
/data/data/####/share_data.xml
/data/data/####/sp_init.xml
/data/data/####/tdata_jVg168
/data/data/####/tdata_jVg168.jar
/data/data/####/tdata_pSF696
/data/data/####/tdata_pSF696.jar
/data/data/####/torch_sdk_config.xml
/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_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_message_state.xml.bak
/data/data/####/uninst_retain.xml
/data/data/####/uninstall_apk
/data/data/####/uninstall_apk_locker
/data/data/####/universalPopup.xml
/data/data/####/videolist.db-journal
/data/data/####/waitingDown
/data/data/####/waitingDown_locker
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.deviceId
/data/media/####/.iddata
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.sfp
/data/media/####/.testf
/data/media/####/.umm.dat
/data/media/####/3d51a93a2663475f9ab3deaef8bf6633
/data/media/####/42998cf32d552343bc8e460416382dca
/data/media/####/4d098073f44d46e489b7481bdc4e7348
/data/media/####/5699d2e33f324abbb3b7d48899bf3a8e
/data/media/####/6766aa2750c19aad2fa1b32f36ed4aee
/data/media/####/6766aa2750c19aad2fa1b32f36ed4aee (deleted)
/data/media/####/7bA
/data/media/####/7bA (deleted)
/data/media/####/861a50c3aa2745b2804fb1bbc1139d19
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/T66
/data/media/####/T66 (deleted)
/data/media/####/Y29tLmxpZ2h0c2t5LnZpZGVv
/data/media/####/Y29tLmxpZ2h0c2t5LnZpZGVv (deleted)
/data/media/####/app.db
/data/media/####/avast_done
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.lightsky.video.bin
/data/media/####/com.lightsky.video.db
/data/media/####/com.lightsky.video_last_crash.log
/data/media/####/config
/data/media/####/config.lock
/data/media/####/data.lock
/data/media/####/deviceToken
/data/media/####/eFL
/data/media/####/eFL (deleted)
/data/media/####/h4Q
/data/media/####/h4Q (deleted)
/data/media/####/i5E
/data/media/####/i5E (deleted)
/data/media/####/lsS
/data/media/####/lsS (deleted)
/data/media/####/oAu
/data/media/####/oAu (deleted)
/data/media/####/r8u
/data/media/####/r8u (deleted)
/data/media/####/report.lock
/data/media/####/sysid.dat
/data/media/####/tdata_jVg168
/data/media/####/tdata_pSF696
/data/media/####/test.log
/data/media/####/uninstall_apk_list
/data/media/####/zAa
/data/media/####/zAa (deleted)

Miscellaneous:

Executes next 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
/system/xbin/which su
<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:5a56c9198f4a9d0c2f0001a8","utdid":"W+Ht9fEj80EDAGdzx1EZ2A/T","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.qihoo.qpush.sdk.GeTuiPushService 24825 300 0
cat /proc/version
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-71411075.so
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.qihoo.qpush.sdk.GeTuiPushService 24825 300 0

Loads the following dynamic libraries:

getuiext2
jcore123
libjiagu-71411075
log4a-lib
tnet-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses elevated priveleges.

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, IMEI, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Gains access to information about accounts (Google, Facebook, etc.) registered on the device.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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