Adware.Gexin.22501

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) p####.ugd####.com.####.com:80
TCP(HTTP/1.1) v2.g####.qq.com:80
TCP(HTTP/1.1) j.souso####.com:80
TCP(HTTP/1.1) lar####.c####.l####.####.com:80
TCP(HTTP/1.1) gd.a.s####.com:80
TCP(HTTP/1.1) luna-im####.qq.com.####.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) j.quwe####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) qzones####.mid.td####.com:80
TCP(TLS/1.0) securit####.sp####.mig.####.net:443
TCP(TLS/1.0) s####.e.qq.com:443
TCP(TLS/1.0) ca####.meil####.com:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) is.sn####.com.####.net:443
TCP(TLS/1.0) sf3-fe####.pglstat####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) bgp.netarch####.l.####.net:443
TCP(TLS/1.0) mi.g####.qq.com:443
TCP(TLS/1.0) 1####.250.102.94:443
TCP(TLS/1.2) 1####.250.102.94:443
TCP(TLS/1.2) p####.google####.com:443
TCP(TLS/1.2) 1####.250.27.102:443
TCP(TLS/1.2) ca####.meil####.com:443
TCP bdtin####.c####.l####.####.com:443

DNS requests:

android####.go####.com
av1.x####.com
ca####.meil####.com
dig.b####.net
dm.byted####.com
dm.ps####.com
dm.tou####.com
i.t####.com
imag####.meil####.com
imgc####.qq.com
ip.ta####.com
is.sn####.com
j.quwe####.com
j.souso####.com
l####.tbs.qq.com
md####.google####.com
mi.g####.qq.com
p####.google####.com
p####.ugd####.com
pv.s####.com
qzones####.g####.cn
s####.e.qq.com
s.startog####.com
sf3-fe####.pglstat####.com
sf3-ttc####.ps####.com
t####.m.qq.com
to####.ctobsn####.com
v2.g####.qq.com

HTTP GET requests:

bgp.netarch####.l.####.net:443/q?host=####&aid=####
ca####.meil####.com:443/api/advertise?version=####
ca####.meil####.com:443/api/app_notify
ca####.meil####.com:443/api/information/list?size=####
ca####.meil####.com:443/api/meterial/style/baseMapAndColor/get/all
ca####.meil####.com:443/api/meterial/style/get/all
gd.a.s####.com/cityjson
lar####.c####.l####.####.com/1571644531492_16b1ef890aac0aa2.png
luna-im####.qq.com.####.com/qzone/biz/gdt/mod/android/AndroidAllInOne/pr...
mi.g####.qq.com:443/gdt_mview.fcg?actual_width=####&fc=####&datatype=###...
na61-####.wagbr####.ali####.####.com:443/service/getIpInfo.php?ip=####
p####.ugd####.com.####.com/141/20204/snscosdownload/SZ/reserved/61bb5ecf...
p####.ugd####.com.####.com/141/20204/snscosdownload/SZ/reserved/61cec93e...
p####.ugd####.com.####.com/141/20204/snscosdownload/SZ/reserved/61eec02d...
p####.ugd####.com.####.com/141/20204/snscosdownload/SZ/reserved/61f0b6dd...
p####.ugd####.com.####.com/141/20204/snscosdownload/SZ/reserved/61f81e10...
qzones####.mid.td####.com/qzone/biz/gdt/mob/sdk/v2/android03/js-release/...
sf3-fe####.pglstat####.com:443/get_domains/v4/?abi=####&aid=####&device_...
sf3-fe####.pglstat####.com:443/obj/ad-pattern/renderer/829bc1/index.js
sf3-fe####.pglstat####.com:443/obj/ad-pattern/renderer/package.json
sf3-fe####.pglstat####.com:443/service/2/app_alert_check/?aid=####&devic...
v2.g####.qq.com/gdt_stats.fcg?viewid=####&i=####&os=####&xp=####&pre_as=...

HTTP POST requests:

is.sn####.com.####.net:443/api/ad/union/sdk/settings/
is.sn####.com.####.net:443/api/ad/union/sdk/stats/batch/
j.quwe####.com/f/m1
j.souso####.com/ad/config
l####.tbs.qq.com/ajax?c=####&k=####
s####.e.qq.com/activate
s####.e.qq.com:443/event
securit####.sp####.mig.####.net:443/?mc=####
sf3-fe####.pglstat####.com:443/service/2/app_log/?device_platform=####&v...
sf3-fe####.pglstat####.com:443/service/2/device_register_only/?aid=####&...
sf3-fe####.pglstat####.com:443/service/2/log_settings/?device_platform=#...

File system changes:

Creates the following files:

/data/data/####/-1415860144-1332186144
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.turing.dat
/data/data/####/1643776928547_3479
/data/data/####/1643776929015_3479
/data/data/####/1643776929940_3574
/data/data/####/1643776930228_3574
/data/data/####/1643776935278_3479
/data/data/####/1643776935298_3574
/data/data/####/1643776935322_3574
/data/data/####/1643776935363_3574
/data/data/####/1643776935364_3479
/data/data/####/1643776935387_3574
/data/data/####/1643776935405_3479
/data/data/####/1643776935481_3479
/data/data/####/1643776935514_3479
/data/data/####/1643776935521_3479
/data/data/####/1643776935596_3479
/data/data/####/1643776935618_3479
/data/data/####/1643776941364_3833
/data/data/####/1643776941703_3833
/data/data/####/1643776946836_3825
/data/data/####/1643776947112_3825
/data/data/####/1643776953468_4162
/data/data/####/1643776953672_4162
/data/data/####/1643776954657_4150
/data/data/####/1643776954778_4150
/data/data/####/1643776959345_3833
/data/data/####/1643776959908_3833
/data/data/####/1643776960182_3833
/data/data/####/1643776960603_3833
/data/data/####/1643776960809_3833
/data/data/####/1643776968911_4150
/data/data/####/1643777000871_3833
/data/data/####/1643777014547_4150
/data/data/####/3833.yaqcookie
/data/data/####/586ab998253fe801_0
/data/data/####/71d99f915c2a22fe_0
/data/data/####/7b4258c4328b3b69_0
/data/data/####/7b4258c4328b3b69_1
/data/data/####/9bc56262bd69ba39_0
/data/data/####/BuglySdkInfos.xml
/data/data/####/Cookies-journal
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/SP.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TD_app_pefercen_profile.xml.bak
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime.xml (deleted)
/data/data/####/TDpref_longtime.xml.bak (deleted)
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime.xml.bak
/data/data/####/TDpref_shorttime0.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/bd_embed_tea_agent.db-journal
/data/data/####/bytedance_downloader.db-journal
/data/data/####/camera.xml
/data/data/####/cbxlib.xml
/data/data/####/cfad55866c2b89e8_0
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.oat
/data/data/####/classes.oat.flock (deleted)
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml.bak
/data/data/####/com.syxjapp.www_preferences.xml
/data/data/####/core_info
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/download_upload
/data/data/####/eee2bc443b2a9750_0
/data/data/####/embed_applog_stats.xml
/data/data/####/embed_last_sp_session.xml
/data/data/####/flag.xml
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.dex
/data/data/####/gdt_plugin.dex.flock (deleted)
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.next.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/getui_sp.xml
/data/data/####/hoc.xml
/data/data/####/hy0Cl2fK30tLmTfPeykjg2vARPY.1924448228.tmp
/data/data/####/index
/data/data/####/init_c1.pid
/data/data/####/libMMANDKSignature.8a96daaa.so
/data/data/####/libjiagu.so
/data/data/####/libturingau.8a96daaa.so
/data/data/####/libyaqbasic.8a96daaa.so
/data/data/####/libyaqpro.8a96daaa.so
/data/data/####/metrics_guid
/data/data/####/npth.xml
/data/data/####/npth_log.db-journal
/data/data/####/proc_auxv
/data/data/####/pushsdk.db-journal
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/snssdk_openudid.xml
/data/data/####/sp_global_info.xml
/data/data/####/sp_push_time.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdid.xml
/data/data/####/the-real-index
/data/data/####/tt_dns_settings.xml
/data/data/####/tt_dns_settings.xml.bak
/data/data/####/tt_sdk_settings.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/turingfd_conf_105498_31_audienceMini.xml
/data/data/####/turingfd_protect_105498_31_audienceMini.xml
/data/data/####/update_lc
/data/data/####/yaq.8a96daaa.sec
/data/data/####/yaqsdkcookie
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/df
/system/bin/getprop
chmod 777 /data/user/0/<Package>/cache/Download
getprop
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.smartisan.version
getprop ro.vivo.os.version

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CFB-NOPADDING
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
DES
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding

Accesses the ITelephony private interface.

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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