Android.Click.1731

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Click.365.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) wa####.127.net:80
TCP(HTTP/1.1) connect####.gst####.com:80
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) t####.j####.cn:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) ap####.uc.cn:443
TCP(TLS/1.0) slb.co-s####.com.cn:443
TCP(TLS/1.0) l####.tbs.qq.com:443
TCP(TLS/1.0) gd-s####.j####.cn:443
TCP(TLS/1.0) connect####.his####.hic####.com:443
TCP(TLS/1.0) rr18---####.g####.com:443
TCP(TLS/1.0) bj####.j####.cn:443
TCP(TLS/1.0) ce3e####.j####.cn:443
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.0) 74.1####.205.113:443
TCP(TLS/1.0) datacol####.dt.hic####.com:443
TCP(TLS/1.2) 64.2####.162.106:443
TCP(TLS/1.2) connect####.gst####.com:443
TCP(TLS/1.2) p####.google####.com:443
UDP rr18---####.g####.com:443
TCP slb.co-s####.com.cn:443
TCP 1####.3.164.101:7006
UDP s.j####.cn:19000
UDP p####.google####.com:443
UDP rr2---s####.g####.com:443

DNS requests:

ali-s####.j####.cn
ap####.uc.cn
bj####.j####.cn
ce3e####.j####.cn
connect####.gst####.com
connect####.his####.hic####.com
datacol####.dt.hic####.com
gd-s####.j####.cn
l####.tbs.qq.com
lbs.net####.im
m####.go####.com
p####.google####.com
pla####.google####.com
rr18---####.g####.com
rr2---s####.g####.com
rr9---s####.g####.com
s.j####.cn
sis.j####.io
slb.co-s####.com.cn
t####.j####.cn
u####.u####.com
wa####.127.net
www.go####.com

HTTP GET requests:

wa####.127.net/lbs?version=####

HTTP POST requests:

ap####.uc.cn:443/collect?chk=####&vno=####&uuid=####&app=####&enc=####
connect####.his####.hic####.com:443/agc/apigw/oauth2/v1/token
datacol####.dt.hic####.com:443/common/hmshioperqrt
datacol####.dt.hic####.com:443/getPublicKey
l####.tbs.qq.com:443/ajax?c=####&k=####
u####.u####.com:443/unify_logs
u####.u####.com:443/zcfg

File system changes:

Creates the following files:

/data/com.costudy.costudy/####/0OO00l111l1l
/data/data/####/.dex2oatlock
/data/data/####/.imprint
/data/data/####/.updateIV.dat
/data/data/####/.updateIV.dat_0
/data/data/####/.updateIV.dat_1
/data/data/####/.updateIV.dat_2
/data/data/####/0000000lllll_0.dex
/data/data/####/0000000lllll_1.dex
/data/data/####/0000000lllll_2.dex
/data/data/####/000O00ll111l_0.dex
/data/data/####/000O00ll111l_1.dex
/data/data/####/000O00ll111l_2.dex
/data/data/####/00O000ll111l_0.dex
/data/data/####/00O000ll111l_0.dex (deleted)
/data/data/####/00O000ll111l_0.dex.flock
/data/data/####/00O000ll111l_0.dex.flock (deleted)
/data/data/####/00O000ll111l_1.dex
/data/data/####/00O000ll111l_1.dex (deleted)
/data/data/####/00O000ll111l_1.dex.flock
/data/data/####/00O000ll111l_1.dex.flock (deleted)
/data/data/####/00O000ll111l_2.dex
/data/data/####/00O000ll111l_2.dex (deleted)
/data/data/####/00O000ll111l_2.dex.flock
/data/data/####/00O000ll111l_2.dex.flock (deleted)
/data/data/####/0OO00l111l1l
/data/data/####/0OO00l111l1l.lock
/data/data/####/1f032aa1-1a8c-49ce-8815-a62da11e2d42
/data/data/####/35a0d384-c3e3-454a-9bbc-d0a5bd93ceee
/data/data/####/436a4c8c-bd34-4056-91ec-50cd747e82e1
/data/data/####/982b66de-8a2e-459f-a0d7-b292703359cf
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/HttpHeadData.xml
/data/data/####/IpInfos.xml
/data/data/####/NIMSDK_Config_NEW_c888761dfbda1b9f41c910dffdeb05d1.xml
/data/data/####/NIMSDK_Config_c888761dfbda1b9f41c910dffdeb05d1.xml
/data/data/####/Push_Page_Config.xml
/data/data/####/SharedCoStudyConfig.xml
/data/data/####/SharedCoStudyDeviceInstallInfo.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/YDUTSOC0YDUTSOC0MOC.bati
/data/data/####/YDUTSOC0YDUTSOC0MOC.end
/data/data/####/YDUTSOC0YDUTSOC0MOC.hdr
/data/data/####/YDUTSOC0YDUTSOC0MOC.meminfo
/data/data/####/YDUTSOC0YDUTSOC0MOC.pid
/data/data/####/YDUTSOC0YDUTSOC0MOC.ps
/data/data/####/YDUTSOC0YDUTSOC0MOC.ss
/data/data/####/YDUTSOC0YDUTSOC0MOC.st
/data/data/####/YDUTSOC0YDUTSOC0MOC.start
/data/data/####/YDUTSOC0YDUTSOC0MOC.status
/data/data/####/YDUTSOC0YDUTSOC0MOC.time
/data/data/####/YDUTSOC0YDUTSOC0MOC.uptime
/data/data/####/bal.catch
/data/data/####/bwc.catch
/data/data/####/cdt.wa
/data/data/####/cn.jiguang.common.xml
/data/data/####/cn.jiguang.common.xml.bak
/data/data/####/cn.jiguang.prefs.xml
/data/data/####/cn.jiguang.sdk.address.xml
/data/data/####/cn.jiguang.sdk.report.xml
/data/data/####/cn.jiguang.sdk.share.profile.xml
/data/data/####/cn.jiguang.sdk.user.profile.xml
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.config.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.costudy.costudy.xml
/data/data/####/com.huawei.agconnect.internal.xml
/data/data/####/com.huawei.agconnect.xml
/data/data/####/com.huawei.agconnect.xml.bak
/data/data/####/com.huawei.appgallery.datastore.xml
/data/data/####/core_info
/data/data/####/cr.wa
/data/data/####/delayed_transmission_flag_new.xml
/data/data/####/download_upload
/data/data/####/dt.wa
/data/data/####/e3322aa7-aefb-4377-bc9e-e41ff042cfaa
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/i==1.2.0&&3.2.1_1694786369167_envelope.log
/data/data/####/i==1.2.0&&3.2.1_1694786384080_envelope.log
/data/data/####/i==1.2.0&&3.2.1_1694786400288_envelope.log
/data/data/####/info.xml
/data/data/####/libshellx-super.2019.so
/data/data/####/o0oooOO0ooOo.dat
/data/data/####/openness_Privacy_MY_com.costudy.costudy.xml
/data/data/####/openness_global_v2_com.costudy.costudy.xml
/data/data/####/openness_latest_upload_time_com.costudy.costudy.xml
/data/data/####/proc_auxv
/data/data/####/push_stat_cache.json
/data/data/####/spUtils.xml
/data/data/####/spUtils.xml.bak
/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/####/tosversion
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/um_session_id.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_sp_oaid.xml
/data/data/####/umeng_sp_zdata.xml
/data/data/####/umeng_zcfg_flag
/data/data/####/umeng_zero_cache.db
/data/data/####/umeng_zero_cache.db-journal
/data/data/####/unique
/data/data/####/userEvent.db
/data/data/####/userEvent.db-journal
/data/data/####/ver
/data/data/####/xx_NOS_LBS.xml
/data/data/####/xx_NOS_LBS.xml.bak
/data/data/####/z==1.2.0&&3.2.1_1694786352827_envelope.log
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/nim_sdk.log
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/misc/####/primary.prof
/data/user_de/####/LocalAvengers.xml
/data/user_de/####/aaid.xml
/data/user_de/####/move_to_de_records.xml

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
getprop ro.product.cpu.abi
ls -l /system/bin/su
ls /
ls /data/local
ls /sys/class/thermal
ps
sh -c type su

Loads the following dynamic libraries:

libcrashsdk
libjcore224
libshellx-super.2019
libumeng-spy

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RC4
RSA-ECB-NoPadding
RSA-ECB-OAEPWithSHA-256AndMGF1Padding
RSA-ECB-PKCS1Padding
RSA-None-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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 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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