Adware.Gexin.22095

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) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) def####.cn.zb.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) www.univ####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.2) 1####.251.36.46:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP sdk.o####.t####.####.net:5224
TCP cm-1####.g####.com:5225

DNS requests:

and####.b####.qq.com
and####.google####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
log.u####.com
s####.u####.com
s####.u####.com.####.8
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
www.gst####.com
www.univ####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_RBO669
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_uxr091
d####.c####.l####.####.com/config/hzv9.conf
def####.cn.zb.####.com/bar/get/5c2c71feb465f5ff2e000140/?ud_get=####
sdk-ope####.g####.com/api/addr.htm
www.univ####.com:443/v1/m/init/findLaunchPic
www.univ####.com:443/v1/m/user/preference

HTTP POST requests:

al####.u####.com:443/unify_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
www.univ####.com:443/v1/m/check/findAppVersion
www.univ####.com:443/v1/m/qiniu/getUploadToken
www.univ####.com:443/v1/m/security/apptoken

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/1641059919990.log
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/ShortVideo.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/com.xyxy.univstarUnion.BETA_VALUES.xml
/data/data/####/com.xyxy.univstarUnion.BETA_VALUES.xml.bak
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQxMDU5OTI1MTgx;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/i==1.2.0&&1.6.4_1641059924940_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/patch_umeng_common_config.xml
/data/data/####/pili_qos_index.json
/data/data/####/pili_qos_log.0
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/qos.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/status.json
/data/data/####/tdata_RBO669
/data/data/####/tdata_RBO669.dex
/data/data/####/tdata_RBO669.dex.flock (deleted)
/data/data/####/tdata_RBO669.jar
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.dex
/data/data/####/tdata_cpZ817.dex.flock (deleted)
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_uxr091
/data/data/####/tdata_uxr091.dex
/data/data/####/tdata_uxr091.dex.flock (deleted)
/data/data/####/tdata_uxr091.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umdat.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_socialize.xml
/data/data/####/xyxy_cookiesp.xml
/data/misc/####/primary.prof

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
logcat -d -v threadtime
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-GCM-NoPadding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

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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