Adware.Gexin.22124

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) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) lbs.net####.im:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(TLS/1.0) 1####.250.179.195:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) ser####.j####.cn:6081
TCP(TLS/1.0) 1####.217.168.202:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.2) 1####.250.179.206:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) 1####.251.36.46:443
TCP(TLS/1.2) 1####.217.168.202:443
TCP(TLS/1.2) 2####.58.214.10:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP cm-1####.g####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.shar####.cn
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
lbs.net####.im
loc.map.b####.com
m####.go####.com
md####.google####.com
p####.google####.com
pi####.qq.com
qy-swa####.qi####.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
ser####.j####.cn
u####.u####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_GKM601
cdn-sdk####.g####.com.####.com/tdata_jFf739
cdn-sdk####.g####.com.####.com/tdata_pKX830
d####.c####.l####.####.com/config/hzv9.conf
lbs.net####.im/lbs/conf.jsp?tp=####&sv=####&pv=####&k=####
sdk-ope####.g####.com/api/addr.htm
ser####.j####.cn:6081/HomeAssistService/systemConfigAction.do?action=###...

HTTP POST requests:

api.map.b####.com:443/sdkcs/verify
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
pi####.qq.com/mstat/report/?index=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
ser####.j####.cn:6081/HomeAssistService/appDownloadLogAction.do?action=#...
ser####.j####.cn:6081/HomeAssistService/onlineCityAction.do?action=####
ser####.j####.cn:6081/HomeAssistService/systemConfigAction.do
ser####.j####.cn:6081/HomeAssistService/userAccessLogAction.do?action=##...
ser####.j####.cn:6081/HomeAssistService/userAction.do?action=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.mta-wxop.xml
/data/data/####/12bcbc310d3a
/data/data/####/NIMSDK_Config_39fbdcc369c4076abc6c89ebb5a6c571.xml
/data/data/####/appConfig.xml
/data/data/####/appSetting.xml
/data/data/####/authStatus_com.homeAssist.work.xml
/data/data/####/authStatus_com.homeAssist.work;core.xml
/data/data/####/authStatus_com.homeAssist.work;cosine.xml
/data/data/####/authStatus_com.homeAssist.work;pushservice.xml
/data/data/####/authStatus_com.homeAssist.work;remote.xml
/data/data/####/bea598cb
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/classes4.dex
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQxMDY2MzM3NTg5;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.97.06_1641066337501_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/####/mac.xml
/data/data/####/pri_wxop_tencent_analysis.db-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/qiyu_save_a8861e67bda4d995cb991fd9ce0e2dda.xml
/data/data/####/run.pid
/data/data/####/share_date.xml
/data/data/####/share_sdk_0.xml
/data/data/####/sharesdk.db-journal
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_GKM601
/data/data/####/tdata_GKM601.dex
/data/data/####/tdata_GKM601.dex.flock (deleted)
/data/data/####/tdata_GKM601.jar
/data/data/####/tdata_jFf739
/data/data/####/tdata_jFf739.dex.flock (deleted)
/data/data/####/tdata_jFf739.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.jar
/data/data/####/tmpd8.db-journal
/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_it.cache
/data/data/####/unicorn#cheese#
/data/data/####/wxop_tencent_analysis.db-journal
/data/media/####/.cuid2
/data/media/####/.dk
/data/media/####/.nomedia
/data/media/####/20220101.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.homeAssist.work.bin
/data/media/####/com.homeAssist.work.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/error.txt
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/gktper (deleted)
/data/media/####/journal
/data/media/####/nim_sdk.log
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log (deleted)
/data/media/####/tmp_c_20220101
/data/media/####/tmp_u_20220101

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
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
ls /
ls /sys/class/thermal
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

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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