Adware.Gexin.23172

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) sdk-ope####.g####.com:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) l####.cc:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
UDP(NTP) 2.and####.p####.####.org:123
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) and####.a####.go####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) j####.you####.me:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.2) 64.2####.165.94:443
TCP(TLS/1.2) www.google####.com:443
TCP lbs.net####.im:8080
TCP cm-1####.g####.com:5225
UDP www.google####.com:443
TCP sdk.o####.t####.####.net:5224

DNS requests:

2.and####.p####.####.org
and####.a####.go####.com
and####.google####.com
api.growi####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
j####.you####.me
l####.cc
l####.net####.im
lbs.net####.im
nim.qi####.com
plb####.u####.com
qy-swa####.qi####.com
rr2---s####.g####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t.growi####.com
u####.u####.com
wfd.net####.im
wfd.net####.im.####.8
www.google####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_RBO669
cdn-sdk####.g####.com.####.cn/tdata_cpZ817
cdn-sdk####.g####.com.####.cn/tdata_uxr091
nim.qi####.com:443/webapi/user/da/config?ak=####
sdk.c####.g####.####.cn/config/hzv9.conf
t.growi####.com:443/app/a02981753ff40f57/android/devices?u=####&dm=####&...

HTTP POST requests:

api.growi####.com:443/v2/a02981753ff40f57/android/action?stm=####
api.growi####.com:443/v2/a02981753ff40f57/android/pv?stm=####
c-h####.g####.com/api.php?format=####&t=####
j####.you####.me:443/v1/appversion/appversion
j####.you####.me:443/v2.2.1/advertise/getConfig
j####.you####.me:443/v2.3/home
l####.cc/i/sdk/install
l####.cc/i/sdk/open
nim.qi####.com:443/webapi/user/create.action?deviceid=####&appkey=####
plb####.u####.com:443/umpx_internal
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
u####.u####.com:443/unify_logs

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/03ee95247ddc
/data/data/####/53b5c8ed
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/LKME_Server_Request_Queue.xml
/data/data/####/NIMSDK_Config_19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/NIMSDK_Config_19bb266bc86cb2cfe0f6784867b55f45_...2c.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/Unicorn.19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/_nohttp_cache_db.db
/data/data/####/_nohttp_cache_db.db-journal
/data/data/####/_nohttp_cache_db.db-journal (deleted)
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/a==7.4.0&&2.5.8_1669479621950_envelope.log
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.oat
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.qiyukf.analytics.xml.bak
/data/data/####/com.xiaoyu.youmiao;core.growing.db
/data/data/####/com.xiaoyu.youmiao;core.growing.db-journal
/data/data/####/com.xiaoyu.youmiao;pushservice.growing.db
/data/data/####/com.xiaoyu.youmiao;pushservice.growing.db-journal
/data/data/####/d==7.4.0&&2.5.8_1669479625908_envelope.log
/data/data/####/d==7.4.0&&2.5.8_1669479630524_envelope.log
/data/data/####/dW1weF9pbnRlcm5hbF8xNjY5NDc5NjI1NzQ5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjY5NDc5NjIwODM2;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&2.5.8_1669479620819_envelope.log
/data/data/####/i==1.2.0&&2.5.8_1669479625708_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/linkedme_referral_shared_pref.xml
/data/data/####/linkedme_referral_shared_pref.xml.bak
/data/data/####/msg.db-journal
/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/####/qiyu_save_19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/run.pid
/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.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/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml (deleted)
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/unicorn#cheese#
/data/data/####/youmiao_cache_settings.xml
/data/media/####/.lm_device_id
/data/media/####/.nomedia
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xiaoyu.youmiao.bin
/data/media/####/com.xiaoyu.youmiao.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/sysid.dat
/data/media/####/tdata_RBO669
/data/media/####/tdata_cpZ817
/data/media/####/tdata_uxr091
/data/media/####/test.log (deleted)
/data/media/####/tmp_c_20221126
/data/media/####/tmp_u_20221126
/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
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
getprop
ip addr
ls /
ls /sys/class/thermal
mount

Loads the following dynamic libraries:

libgetuiext2
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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 APN settings.

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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