Adware.Gexin.23255

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) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) j####.fw4.me:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) rr14---####.g####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) t####.j####.cn:443
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) def####.duals####.cn.####.com:443
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) 1####.251.1.102:443
TCP(TLS/1.0) 2####.85.233.94:443
TCP(TLS/1.0) bj####.j####.cn:443
TCP(TLS/1.0) a####.hexi####.com:443
TCP(TLS/1.0) gd-s####.j####.cn:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) ac.j####.io:443
TCP(TLS/1.0) digital####.google####.com:443
TCP(TLS/1.0) ali-s####.j####.cn:443
TCP(TLS/1.2) 2####.85.233.94:443
TCP(TLS/1.2) www.google####.com:443
TCP(TLS/1.2) 1####.251.1.102:443
TCP 1####.60.12.32:7003
TCP sdk.o####.t####.####.net:5224
UDP www.google####.com:443
TCP cm-1####.g####.com:5225
UDP sis.j####.io:19000

DNS requests:

a####.hexi####.com
a####.hexi####.com
ac.j####.io
ali-s####.j####.cn
and####.a####.go####.com
and####.b####.qq.com
and####.cli####.go####.com
app-mea####.com
bj####.j####.cn
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
digital####.google####.com
easytom####.com
firebas####.google####.com
fp.fraudme####.cn
gd-s####.j####.cn
h####.b####.com
https:/####.go####.com
https:/####.go####.com.####.8
https:/####.googl####.net
https:/####.googl####.net.####.8
j####.fw4.me
log.u####.com
m####.go####.com
md####.google####.com
pla####.googleu####.com
plb####.u####.com
rr14---####.g####.com
rr9---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
sis.j####.io
t####.j####.cn
u####.u####.com
www.google####.com

HTTP GET requests:

a####.hexi####.com:443/user/common/popup
a####.hexi####.com:443/v5/configs
a####.hexi####.com:443/v7/home?is_exclusive=####
cdn-sdk####.g####.com.####.cn/config/hzv9.conf
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
def####.duals####.cn.####.com:443/bar/get/5493d813fd98c56c03000435/?pcv=...
sdk-ope####.g####.com/api/addr.htm

HTTP POST requests:

a####.hexi####.com:443/boot
a####.hexi####.com:443/boot/first
ac.j####.io:443/api_v1/apps/d8cd10dd05bc4378a78e154f2950b041/campaigns/a...
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
fp.fraudme####.cn:443/android3/profile.json?partner=####&version=####
h####.b####.com:443/app.gif
j####.fw4.me:443/jc.gif
plb####.u####.com:443/umpx_internal
plb####.u####.com:443/umpx_share
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/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.td-3
/data/data/####/1002
/data/data/####/1004
/data/data/####/1a407b39-bfd3-4088-982e-cce5faa5d39e
/data/data/####/8eda03ae9f751dae886a7939d804f332b759227f9aad062...3ffc.0
/data/data/####/91d2d9b6
/data/data/####/9f753982-7ae3-4f05-94a0-7bdffeb20d5a
/data/data/####/9f76c02e-12ae-410b-80d4-389b22a3d9c4
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/ContextData.xml
/data/data/####/IpInfos.xml
/data/data/####/IpInfos.xml.bak
/data/data/####/Push_Page_Config.xml
/data/data/####/UM_PROBE_DATA.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_1680340781617
/data/data/####/a594dddd-64e4-4729-b82d-b6dd7ec2a418
/data/data/####/access_control.control.mx
/data/data/####/access_control.write.mx
/data/data/####/b2e44ccd3c5b
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/bal.catch
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/bwc.catch
/data/data/####/c5610500-a6f8-4243-b277-64a2a77f234c
/data/data/####/channel
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/cn.jiguang.common.xml
/data/data/####/cn.jiguang.common.xml.bak
/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.jiguang.sdk.user.set.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.rid.xml.bak
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.admaster.jicesdk.store.xml
/data/data/####/com.hexindai.hxd.BETA_VALUES.xml
/data/data/####/com.hexindai.hxd_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/d2015174-21fe-4b33-a9bb-d6313431fa18
/data/data/####/dW1weF9pbnRlcm5hbF8xNjgwMzQwNzY4MDYx;
/data/data/####/dW1weF9zaGFyZV8xNjgwMzQwNzcwNDEy;
/data/data/####/dW1weF9zaGFyZV8xNjgwMzQwNzcyMjkz;
/data/data/####/default.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fm_shared.xml
/data/data/####/getui_sp.xml
/data/data/####/getui_sp.xml.bak
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hianalytics_global_v2_com.hexindai.hxd.xml
/data/data/####/hianalytics_global_v2_com.hexindai.hxd.xml.bak
/data/data/####/i==1.2.0&&6.5.5_1680340767981_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/metrics_guid
/data/data/####/native_record_lock
/data/data/####/pref.adm.cookie.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/push_stat_cache.json
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushgdc.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/rl.catch
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/sync_metadata.realm
/data/data/####/sync_metadata.realm.lock
/data/data/####/sys_log_1680340760791686.txt
/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/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.adm_cookie
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid2
/data/media/####/.push_deviceid
/data/media/####/.td-3
/data/media/####/.timestamp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/channel
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.hexindai.hxd.bin
/data/media/####/com.hexindai.hxd.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tdata_XYq933
/data/media/####/tdata_pKN446
/data/media/####/tdata_trp703
/data/media/####/tdata_xEA084
/data/media/####/test.log (deleted)
/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
/system/bin/sh -c getprop
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
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
ls -l /system/bin/su
ls -l /system/xbin/su
ls /
ls /sys/class/thermal
mount
ps
sh

Loads the following dynamic libraries:

libBugly
libgetuiext3
libjiagu
libpl_droidsonroids_gif
librealm-jni
libtongdun

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
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 installed apps.

Gets information about running apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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