Adware.Gexin.23232

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
UDP(DNS) 1####.76.76.76:53
TCP(HTTP/1.1) beacon####.aliy####.com:80
TCP(HTTP/1.1) aliyun-####.al####.com:80
TCP(TLS/1.0) 1####.235.47.161:443
TCP(TLS/1.0) 1####.177.14.95:443
TCP(TLS/1.0) 5####.82.39.255:443
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.2) inte####.faceu####.com:6443
TCP(TLS/1.2) 1####.250.150.139:443
TCP(TLS/1.2) 64.2####.164.94:443
TCP a####.a####.m.####.com:80
TCP 2####.12.76.164:80
TCP 1####.194.180.92:443
TCP 1####.251.1.95:443
TCP 1####.226.26.242:80
TCP 1####.194.2.98:443
UDP 54.2####.118.211:9700
UDP 1####.14.12.130:1080
UDP 54.2####.118.211:8000
UDP 1####.194.222.95:443
TCP 47.74.1####.254:443
TCP 1####.131.7.100:80
TCP 1####.177.14.95:443
TCP 1####.194.181.211:443
TCP 64.2####.163.95:443
TCP 54.2####.118.211:8000
TCP 1####.177.14.100:443
TCP 1####.160.127.213:80
TCP 1####.194.222.95:443
UDP 8####.8.4.4:53
TCP 64.2####.164.94:443
UDP 1####.166.142.150:8913
TCP 1####.134.98.111:5224
UDP 1####.76.76.76:53
UDP 52.1####.158.59:25000
TCP 64.2####.162.95:443
TCP 2####.12.76.163:80
TCP and####.b####.qq.com:80
TCP 64.2####.164.95:443
UDP 1####.177.14.95:443
TCP 1####.194.220.95:443
TCP 1####.250.150.139:443
TCP 4####.6c####.cn:8668
UDP 1####.190.44.36:8000
TCP 1####.194.221.95:443
TCP 74.1####.205.102:443
TCP 1####.134.98.110:5226
TCP ms####.cn-zhan####.aliy####.com:443
TCP 1####.131.7.103:80

DNS requests:

4####.1s####.cn
4####.6c####.cn
4####.yut####.com
4####.yut####.com.####.8
RePorT-####.a####.Io
a####.m.ta####.com
acs4pu####.m.ta####.com
and####.b####.qq.com
api.w####.com
beacon####.aliy####.com
inte####.faceu####.com
mpush####.al####.com

HTTP GET requests:

api.w####.com:443/oauth2/getaid.json?appkey=####&mfp=01J####&packagename...

HTTP POST requests:

aliyun-####.al####.com/config
beacon####.aliy####.com/beacon/fetch/config/byappkey

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.confd
/data/data/####/.confd-journal
/data/data/####/.jg.ic
/data/data/####/.mtj_timestamp
/data/data/####/1004
/data/data/####/2D72A071.dex
/data/data/####/2D72A071.dex.flock (deleted)
/data/data/####/4974f4e9
/data/data/####/97f496d6
/data/data/####/ACCS_BIND28007874.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/ANDROID_UUID.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/QALConfigStore.dat
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/SP_AROUTER_CACHE.xml.bak
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/UTCommon.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1677654488373
/data/data/####/__send_data_1677654545672
/data/data/####/accs.db-journal
/data/data/####/adashbc.ut.taobao.com.443
/data/data/####/agoo.pid
/data/data/####/agorasdk_cache.dat
/data/data/####/ap.Lock
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/baidu_mtj_sdk_record.xml.bak
/data/data/####/bugly_db_-journal
/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.admin01.cn_preferences.xml
/data/data/####/com.xml
/data/data/####/com_alibaba_aliyun_crash_defend_sdk_info
/data/data/####/crashrecord.xml
/data/data/####/d5b6667b
/data/data/####/df0ee68cd325
/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/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mipush.xml
/data/data/####/mipush.xml.bak
/data/data/####/mipush.xml.bak (deleted)
/data/data/####/mipush_extra.xml
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/push_preferences_manage.xml
/data/data/####/pushext.db-journal
/data/data/####/pushg.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/####/security_info
/data/data/####/tdata_DNL558
/data/data/####/tdata_DNL558.dex
/data/data/####/tdata_DNL558.dex.flock (deleted)
/data/data/####/tdata_DNL558.jar
/data/data/####/tdata_RdS556
/data/data/####/tdata_RdS556.dex.flock (deleted)
/data/data/####/tdata_RdS556.jar
/data/data/####/tdata_hqs030
/data/data/####/tdata_hqs030.dex
/data/data/####/tdata_hqs030.dex.flock (deleted)
/data/data/####/tdata_hqs030.jar
/data/data/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/tls_device.dat
/data/data/####/update.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/vchat_version.xml
/data/data/####/vchat_version.xml.bak (deleted)
/data/data/####/weibo_sdk_aid1
/data/data/####/wlogin_device.dat
/data/media/####/.cuid2
/data/media/####/0c61135c2fdcd71f15ad7297245abe44
/data/media/####/20230301100755.txt
/data/media/####/20230301100757.txt
/data/media/####/49c6a36aaea8ee1549c1cd3e07070c79
/data/media/####/5e3e6bb7aeb14421af044ef02af09bdf
/data/media/####/62032893878a4c6ab02c16e6d6f8dc00
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/agorasdk.log
/data/media/####/app.23.03.01.10.log
/data/media/####/app.db
/data/media/####/com.admin01.cn.bin
/data/media/####/com.admin01.cn.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/imsdk_20230301.log
/data/media/####/lcfp
/data/media/####/lcfp.lock
/data/media/####/sdk.23.03.01.10.log
/data/media/####/tdata_DNL558
/data/media/####/tdata_RdS556
/data/media/####/tdata_hqs030
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c getprop
cat /proc/self/cgroup
getprop
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
mount
sh

Loads the following dynamic libraries:

lib2D72A071
libBugly
lib_imcore_group_ext_gyp
lib_imcore_jni_gyp
lib_imcore_msg_ext_gyp
lib_imcore_sns_ext_gyp
libagora-rtc-sdk-jni
libgetuiext2
libgnustl_shared
libjiagu
libnama
libqalcodecwrapper
libqalmsfboot
libtnet-3.1.11
libweibosdkcore

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding
AES-GCM-NoPadding

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.

Gets information about running apps.

Gets information about accounts associated with the device.

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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