Adware.Gexin.23221

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) a####.exc.mob.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
UDP(NTP) 2####.118.1.81:123
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) 1####.250.185.174:443
TCP(TLS/1.0) digital####.google####.com:443
TCP(TLS/1.0) f####.gst####.com:443
TCP(TLS/1.0) prd-le####.cdp.inte####.####.com:443
TCP(TLS/1.0) rr18---####.g####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) rr8---s####.g####.com:443
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.2) 1####.250.185.174:443
TCP(TLS/1.2) 1####.194.163.211:443
TCP sdk.o####.t####.####.net:5224
TCP cm-1####.g####.com:5226

DNS requests:

a####.exc.mob.com
and####.cli####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cdp.c####.uni####.com
cm-1####.g####.com
connect####.gst####.com
digital####.google####.com
f####.gst####.com
m####.go####.com
pla####.googleu####.com
plb####.u####.com
rr18---####.g####.com
rr8---s####.g####.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
u####.u####.com
www.google####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_XYq933
cdn-sdk####.g####.com.####.cn/tdata_pKN446
cdn-sdk####.g####.com.####.cn/tdata_trp703
cdn-sdk####.g####.com.####.cn/tdata_xEA084
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.exc.mob.com/errconf
c-h####.g####.com/api.php?format=####&t=####
plb####.u####.com:443/umpx_internal
prd-le####.cdp.inte####.####.com:443/v1/events
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
u####.u####.com:443/unify_logs

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.hptc.cache_xingyuan.lianou
/data/data/####/.hptc_kache_xingyuan.lianou
/data/data/####/.imprint
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/41fec85bf1a0
/data/data/####/QALConfigStore.dat
/data/data/####/SoundManDB.db
/data/data/####/SoundManDB.db-journal
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/a==7.5.0&&3.0.2_1676339016240_envelope.log
/data/data/####/com.youyouxingyuan.lianou.v2.playerprefs.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjc2MzM5MDE1NzE2;
/data/data/####/domain_1
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.0.2_1676339015577_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libnesec.so
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushgdc.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qal_monitor.db-journal
/data/data/####/qalimid_v2
/data/data/####/report_v5.msgstore-journal (deleted)
/data/data/####/run.pid
/data/data/####/sec.lck
/data/data/####/tdata_XYq933
/data/data/####/tdata_XYq933.dex
/data/data/####/tdata_XYq933.dex.flock (deleted)
/data/data/####/tdata_XYq933.jar
/data/data/####/tdata_pKN446
/data/data/####/tdata_pKN446.dex
/data/data/####/tdata_pKN446.dex.flock (deleted)
/data/data/####/tdata_pKN446.jar
/data/data/####/tdata_trp703
/data/data/####/tdata_trp703.dex
/data/data/####/tdata_trp703.dex.flock (deleted)
/data/data/####/tdata_trp703.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.dex
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/tls_device.dat
/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.bak
/data/data/####/umeng_it.cache
/data/data/####/wlogin_device.dat
/data/media/####/.artc_lock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_1666188972
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/app.23.02.14.04.log
/data/media/####/app.db
/data/media/####/bd387f4a32c8a0cb1a9d1c121759c16b_tmp
/data/media/####/bd387f4a32c8a0cb1a9d1c121759c16b_tmp (deleted)
/data/media/####/c
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.youyouxingyuan.lianou.bin
/data/media/####/com.youyouxingyuan.lianou.db
/data/media/####/d
/data/media/####/e
/data/media/####/g
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/gktper (deleted)
/data/media/####/imsdk_20230214.log
/data/media/####/s
/data/media/####/sdk.23.02.14.04.log
/data/media/####/tdata_XYq933
/data/media/####/tdata_pKN446
/data/media/####/tdata_trp703
/data/media/####/tdata_xEA084
/data/media/####/test.log (deleted)
/data/media/####/values
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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/self/cgroup
cat /sys/class/net/wlan0/address
ls /
ls /sys/class/thermal
mount
sh

Loads the following dynamic libraries:

libCSharpPB
lib_imcore_group_ext_gyp
lib_imcore_jni_gyp
lib_imcore_msg_ext_gyp
lib_imcore_sns_ext_gyp
libc++_shared
libffmpeg
libgetuiext3
libgnustl_shared
libjnibytearray
libjnihelpers
libmain
libmmkv
libnesec
libopencv_java3
libqalcodecwrapper
libqalmsfboot
libyoyo
libyoyoav_ffmpeg

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

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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