Adware.Gexin.22113

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) r####.yy.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) y####.h####.com:80
TCP(HTTP/1.1) f####.yy.com:80
TCP(HTTP/1.1) x####.yy.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 1####.11.188.24:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
UDP(TELNET) a####.yy.com:23
UDP(TELNET) 60.2####.219.164:23
UDP(TELNET) 1####.247.249.98:23
UDP(TELNET) 61.1####.52.174:23
UDP(TELNET) 61.1####.29.215:23
UDP(TELNET) wta####.yy.com:23
UDP(TELNET) 14.2####.84.167:23
TCP(TLS/1.0) 1####.250.179.206:443
TCP(TLS/1.0) msg.umengc####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) a####.a####.m.####.com:443
TCP(TLS/1.0) 1####.251.36.42:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) cgi.con####.qq.com:443
TCP(TLS/1.0) r####.yy.com:443
TCP(TLS/1.0) co####.h####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) 1####.250.179.202:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP(TLS/1.2) 1####.250.179.202:443
UDP wta####.yy.com:6002
UDP a####.yy.com:6002
UDP 2####.194.67.7:5002
UDP 61.1####.52.174:6002
UDP a####.yy.com:4002
UDP wta####.yy.com:4002
UDP 1####.20.84.154:6002
UDP wta####.yy.com:5002
UDP 61.1####.52.149:5002
TCP cm-1####.g####.com:5225
UDP 1####.20.84.154:4002
UDP 61.1####.52.149:6002
UDP a####.yy.com:80
UDP 61.1####.73.132:6002
UDP 1####.242.117.100:4002
UDP 2####.170.50.135:6002
TCP zb-cent####.m.ta####.com:443
UDP 61.1####.52.149:4002
UDP 2####.228.248.99:4002
TCP zb-cent####.m.ta####.com:80
UDP a####.yy.com:5002
UDP 1####.247.249.98:80
UDP 61.1####.29.214:6002
UDP 2####.170.50.135:4002
UDP 2####.228.248.99:5002
UDP 1####.231.141.196:80
UDP 1####.247.249.100:4002
UDP 60.2####.219.164:5002
UDP 1####.90.175.157:80
UDP 1####.20.84.154:5002
UDP 1####.247.249.100:6002
UDP 1####.231.141.196:5002
UDP 61.1####.73.132:80
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.m.ta####.com
a####.yy.com
android####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cgi.con####.qq.com
cm-1####.g####.com
co####.h####.com
crash-r####.yy.com
d####.h####.com
do.yy.du####.####.8
do.yy.du####.com
f####.yy.com
ho####.yy.com
instant####.google####.com
m####.go####.com
m####.h####.com
msg.umengc####.com
norma-e####.m####.com
r####.yy.com
s####.wta####.yy.com
s.f####.yy.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
umen####.m.ta####.com
umengj####.m.ta####.com
wta####.yy.com
www.gst####.com
x####.yy.com
y####.h####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RBO669
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_uxr091
cgi.con####.qq.com:443/qqconnectopen/openapi/policy_conf?status_os=####&...
co####.h####.com:443/api/getAppConfig?mid=####&sys=####
co####.h####.com:443/api/getSdkListConfig?sys=####
d####.c####.l####.####.com/config/hzv9.conf
f####.yy.com/activity/random_enter
f####.yy.com/app_yylove/lottery_channel_list?lotteryId=####
f####.yy.com/app_yylove/lovely_beginner_list?pagesize=####&pageindex=####
f####.yy.com/chargepage_ad_config/get_chargepage_ad_config_list?versions...
f####.yy.com/patch/queryPatch?appid=####&version=####&channel=####&os=##...
f####.yy.com/xconfig/json?id=####&p=####
norma-e####.m####.com/android/exchange/getpublickey.do
sdk-ope####.g####.com/api/addr.htm
x####.yy.com/3.4.2/android/switch/getGlobalSwitch?appId=####&sign=####&d...

HTTP POST requests:

a####.a####.m.####.com:443/amdc/mobileDispatch?platform=####&v=####&devi...
c-h####.g####.com/api.php?format=####&t=####
f####.yy.com/dau/reporting
msg.umengc####.com:443/launch
msg.umengc####.com:443/register
norma-e####.m####.com/push/android/external/add.do
r####.yy.com/ws/network.do?type=####
r####.yy.com:443/report.do?act=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
y####.h####.com/c.gif?act=####&smkdata=####&EC=####&appkey=####&item=###...

File system changes:

Creates the following files:

/data/data/####/8fb92221b87b
/data/data/####/ACCS_BINDumeng;5c0e0576f1f556dc73000376.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/SP_AROUTER_CACHE.xml.bak
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_andfix_.xml
/data/data/####/_andfix_.xml.bak
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/com.duowan.yylove_preferences.xml
/data/data/####/com.tencent.open.config.json.1105001964
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/com.yy.pushsvc.db-journal
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hd_default_pref.xml
/data/data/####/hd_default_pref.xml (deleted)
/data/data/####/hd_default_pref.xml.bak
/data/data/####/hdcltid.xml
/data/data/####/hdcommon_config_cache_pref.xml
/data/data/####/hdid.bck
/data/data/####/hdid_v2
/data/data/####/hdstatis_cache_32946d21.db-journal
/data/data/####/hdstatis_cache_4bcbabc0.db-journal
/data/data/####/hdstatis_cache_b62623c4.db-journal
/data/data/####/hdstatis_cache_b62623c4_1797281027.db-journal
/data/data/####/hdstatis_cache_f0b03ad5.db-journal
/data/data/####/hdstatis_cache_f4df5118.db-journal
/data/data/####/hduuid_v1
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush_extra.xml
/data/data/####/mz_push_preference.xml
/data/data/####/preverify.apatch
/data/data/####/proc_auxv
/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/####/table.xml
/data/data/####/tdata_RBO669
/data/data/####/tdata_RBO669.dex
/data/data/####/tdata_RBO669.dex.flock (deleted)
/data/data/####/tdata_RBO669.jar
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.dex
/data/data/####/tdata_cpZ817.dex.flock (deleted)
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_uxr091
/data/data/####/tdata_uxr091.dex
/data/data/####/tdata_uxr091.dex.flock (deleted)
/data/data/####/tdata_uxr091.jar
/data/data/####/tencent_analysis.db-journal
/data/data/####/udbauthlooog-journal
/data/data/####/user_account-journal
/data/data/####/yyudb2.xml
/data/media/####/06bba39e-1ae4-4069-8fa4-bb39c7dbcbdd.syslog
/data/media/####/1.app.log
/data/media/####/2022-01-01.log.txt
/data/media/####/2d6c980f-2112-4d74-adcd-ba2c84265036.syslog
/data/media/####/3e9aec5546c348758830e4256b0124bf
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/Device
/data/media/####/Device_v2
/data/media/####/Global
/data/media/####/LogPath.txt
/data/media/####/app.db
/data/media/####/catonmonitor.txt
/data/media/####/com.duowan.yylove.bin
/data/media/####/com.duowan.yylove.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/config
/data/media/####/d2b08ce4-1e6c-4515-b320-680ecdd98da2
/data/media/####/d69af148292c48f6abe0aa0b6e40a7eb
/data/media/####/deviceToken
/data/media/####/dfd8be2435d9ba9f01d4dd06f7f05d97.0.tmp
/data/media/####/dfd8be2435d9ba9f01d4dd06f7f05d97.1.tmp
/data/media/####/f05821ea-bcaa-4000-9a65-ef54d912aa5d.syslog
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/hdcltid.ini
/data/media/####/hdstatis_20220101.log
/data/media/####/hduuid_v1
/data/media/####/imsdk.txt
/data/media/####/inapp_20220101.log
/data/media/####/info.txt
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/log-jni-makefriends.txt
/data/media/####/logs_2022_01_01_21_56.txt
/data/media/####/mediaSdk-trans.txt
/data/media/####/push_jni_log.txt
/data/media/####/pushsvc_log.txt
/data/media/####/service_20220101.log
/data/media/####/tdata_RBO669
/data/media/####/tdata_cpZ817
/data/media/####/tdata_uxr091
/data/media/####/test.log (deleted)
/data/media/####/yysdk-yym48and.txt
/data/misc/####/primary.prof

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
cat /proc/cpuinfo
getprop
ip addr
mount

Loads the following dynamic libraries:

andfix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding
DES

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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