Adware.Gexin.8421

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sh####.360t####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) p3.q####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) s####.s.360.cn:80
TCP(HTTP/1.1) sdk.l####.360.cn:80
TCP(HTTP/1.1) p.s.3####.cn:80
TCP(HTTP/1.1) app.k.36####.com:80
TCP(HTTP/1.1) 1####.134.99.112:80
TCP(HTTP/1.1) s####.l####.360.####.com:80
TCP(HTTP/1.1) k####.36####.com:80
TCP(TLS/1.0) mdm.ope####.360.cn:443
TCP(TLS/1.0) sdkc####.e.360.cn:443
TCP(TLS/1.0) cc.p####.dc.####.cn:443
TCP(TLS/1.0) api####.me####.com:443
TCP 1####.230.236.47:7006
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226
TCP 1####.163.230.187:443
UDP s.j####.cn:19000

DNS requests:

7j####.c####.z0.####.com
api####.me####.com
app.k.36####.com
c####.g####.ig####.com
c-h####.g####.com
cc.p####.dc.####.cn
k####.36####.com
mdm.ope####.360.cn
p.s.3####.cn
p0.q####.com
p3.q####.com
p8.q####.com
s####.l####.360.cn
s####.s.360.cn
s.j####.cn
sdk.c####.ig####.com
sdk.l####.360.cn
sdk.l####.360.cn
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sdkc####.e.360.cn
sh####.360t####.com
sis.j####.io
up####.sdk.jig####.cn

HTTP GET requests:

app.k.36####.com/k2/appconfig/getNewinfo?appid=####&m=####&m2=####&ch=##...
app.k.36####.com/k2/home?type=####&appid=####&m=####&m2=####&ch=####&vc=...
app.k.36####.com/k2/task/event-task/status?appid=####&event=####&m=####&...
k####.36####.com//k2/appconfig/getjar?appid=####&m=####&m2=####&ch=####&...
k####.36####.com/hotrizon2/appConfig?appid=####&use_gear=####&m=####&m2=...
k####.36####.com/hotrizon2/channel?m2=####&appid=####&m=####&ch=####&vc=...
k####.36####.com/hotrizon2/list?svc=####&detection=####&direction=####&c...
k####.36####.com/hotrizon2/myfollower?appid=####&maxOffset=####&m=####&m...
k####.36####.com/k2/appconfig/getplugin?appid=####&m=####&m2=####&ch=###...
k####.36####.com/k2/appconfig/getpopup?appid=####&m=####&m2=####&ch=####...
p3.q####.com/t01437cbc4d12620cdf.png
p3.q####.com/t015104cc2b3e421f1b.png
p3.q####.com/t019137f05af6f550eb.png
s####.l####.360.####.com/Object.getFile/livecloudsdk/YW5kcm9pZF9wbHVnaW5...
s####.l####.360.####.com/Object.getFile/livecloudsdk/cGx1Z2luX2xvY2Fsc2V...
s####.l####.360.####.com/Object.getFile/livecloudsdk/cGx1Z2luX3BsYXllcl8...
s####.l####.360.####.com/Object.getFile/livecloudsdk/cGx1Z2luX3Rvb2xzXzI...
s####.s.360.cn/ak/42998cf32d552343bc8e460416382dca.html?m2=####
s####.s.360.cn/ak/6766aa2750c19aad2fa1b32f36ed4aee.html?m2=####
sdk.l####.360.cn/codec?model=####&pid=####&mid=####&ver=####&bid=####&sd...
sdk.l####.360.cn/rtc?model=####
sdk.l####.360.cn/sdkconf/videoplace?sign=####&u=####&version=####&sdk_ve...
sdk.l####.360.cn/xinxiliu_tv_android_10167.conf
sh####.360t####.com/171122/c867c6e2f627a813302a3a0d0d891203/FZLTHK.TTF
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_nxn539
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

k####.36####.com/hotrizon2/report2?appid=####&mode=####&m=####&m2=####&c...
k####.36####.com/k2/appconfig/getjarlist?appid=####&curEnv=####&m=####&m...
k####.36####.com/k2/hotrizon2/getSInfo?os=####&sys=####&psw2=OI####&m2=#...
p.s.3####.cn/pstat/plog.php
p.s.3####.cn/update/update.php?p=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/2033145970-602345128
/data/data/####/JPushSA_Config.xml
/data/data/####/PendantConfig.xml
/data/data/####/QH_DeviceSDK.xml
/data/data/####/QH_DeviceSDK.xml (deleted)
/data/data/####/QH_DeviceSDK.xml.bak (deleted)
/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/####/ad_config_file.xml
/data/data/####/app_globel_config_file.xml
/data/data/####/auth_guide_config_sdk.xml
/data/data/####/banner.db-journal
/data/data/####/cache.ttf
/data/data/####/cloud_config_file.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/####/critical_service_config.xml
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/finalcore.jar
/data/data/####/getui_sp.xml
/data/data/####/hotrizon_sharepref.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/libdvrender.so.tmp
/data/data/####/libjiagu.so
/data/data/####/libjplayer.so.tmp
/data/data/####/liblocalserver.so.tmp
/data/data/####/libmyssl.so.1.1.tmp
/data/data/####/libtranscore.so.tmp
/data/data/####/libviewer.so
/data/data/####/light_sky_avast.xml
/data/data/####/localserver.zip
/data/data/####/locker
/data/data/####/multidex.version.xml
/data/data/####/p.l
/data/data/####/player.zip
/data/data/####/profile_torch_platform.xml
/data/data/####/push.db-journal
/data/data/####/push.pid
/data/data/####/push_share.xml
/data/data/####/pushsdk.db-journal
/data/data/####/qhvc_plugin.xml
/data/data/####/qpush_msg.xml
/data/data/####/run.pid
/data/data/####/safe_user_info_file.xml
/data/data/####/share_data.xml
/data/data/####/share_data.xml (deleted)
/data/data/####/single_process_core_update
/data/data/####/single_process_core_update_locker
/data/data/####/single_process_device_collector
/data/data/####/single_process_device_collector_locker
/data/data/####/single_process_profile_task
/data/data/####/single_process_profile_task_locker
/data/data/####/single_process_uninstall_apk
/data/data/####/single_process_uninstall_apk_locker
/data/data/####/tools.zip
/data/data/####/torch_sdk_config.xml
/data/data/####/uninst_retain.xml
/data/data/####/videolist.db-journal
/data/data/####/webview.db-journal
/data/media/####/.deviceId
/data/media/####/.iddata
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.sfp
/data/media/####/.testf
/data/media/####/42998cf32d552343bc8e460416382dca
/data/media/####/450
/data/media/####/450 (deleted)
/data/media/####/6766aa2750c19aad2fa1b32f36ed4aee
/data/media/####/8BI
/data/media/####/8BI (deleted)
/data/media/####/De5
/data/media/####/De5 (deleted)
/data/media/####/Ds4
/data/media/####/Ds4 (deleted)
/data/media/####/XkD
/data/media/####/XkD (deleted)
/data/media/####/Y29tLmxpZ2h0c2t5LnZpZGVv
/data/media/####/Y29tLmxpZ2h0c2t5LnZpZGVv (deleted)
/data/media/####/Y29tLmxpZ2h0c2t5LnZpZGVv.tmp
/data/media/####/YSk
/data/media/####/YSk (deleted)
/data/media/####/app.db
/data/media/####/avast_done
/data/media/####/bAX
/data/media/####/bAX (deleted)
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.lightsky.video.bin
/data/media/####/com.lightsky.video.db
/data/media/####/data.lock
/data/media/####/nKm
/data/media/####/nKm (deleted)
/data/media/####/t6V
/data/media/####/t6V (deleted)
/data/media/####/uninstall_apk_list

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so

Loads the following dynamic libraries:

getuiext2
jcore118
libimagepipeline
libjiagu
localserver
transcore

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
DES
DES-CBC-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.

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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