Adware.Gexin.22638

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) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) 1####.250.179.174:443
TCP(TLS/1.0) wap.cmpass####.com:8443
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.2) 1####.251.39.110:443
TCP(TLS/1.2) www.google####.com:443
TCP cm-1####.g####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

and####.b####.qq.com
android####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
connect####.gst####.com
m####.ko####.com
p####.google####.com
pla####.googleu####.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
wap.cmpass####.com
www.google####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
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
sdk-ope####.g####.com/api/addr.htm

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/348e3a58c3eb
/data/data/####/671801b025274ec004dcc4a2866a3ed1.db
/data/data/####/671801b025274ec004dcc4a2866a3ed1.db-journal (deleted)
/data/data/####/andhomemusic.db
/data/data/####/andhomemusic.db-journal
/data/data/####/andhomemusic.db-journal (deleted)
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/cmcc-sso-3.1.4.3.dex
/data/data/####/cmcc-sso-3.1.4.3.dex.flock (deleted)
/data/data/####/cmcc-sso-3.1.4.3.jar
/data/data/####/comcmccsso.xml
/data/data/####/comcmccsso.xml.bak
/data/data/####/config.xml
/data/data/####/crashrecord.xml
/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/####/libjiagu.so
/data/data/####/libkh_arm32-3.1.4.3.so
/data/data/####/libkh_x8664-3.1.4.3.so
/data/data/####/local_crash_lock
/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/####/run.pid
/data/data/####/security_info
/data/data/####/share_data.xml
/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/####/umeng_general_config.xml
/data/data/####/userAct.db-journal (deleted)
/data/media/####/1645372863169 (deleted)
/data/media/####/1645372863179 (deleted)
/data/media/####/1645372863184 (deleted)
/data/media/####/1645372865476 (deleted)
/data/media/####/1645372870962 (deleted)
/data/media/####/1645372870971 (deleted)
/data/media/####/1645372871148
/data/media/####/1645372871151 (deleted)
/data/media/####/1645372871181 (deleted)
/data/media/####/app.db
/data/media/####/cmcc_sso_config.dat
/data/media/####/cmcc_sso_south.log0
/data/media/####/cmcc_sso_sp.xml
/data/media/####/com.cmcc.andmusic.bin
/data/media/####/com.cmcc.andmusic.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/####/tdata_RBO669
/data/media/####/tdata_cpZ817
/data/media/####/tdata_uxr091
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c type su
cat /proc/cpuinfo
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
ip addr
logcat -c
logcat -d
mount

Loads the following dynamic libraries:

libX86Bridge
libgetuiext2
libhello-jni
libjiagu
libkh_arm32-3.1.4.3
libmemchunk
libnative-lib
libpl_droidsonroids_gif
libsqlcipher

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
desede-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
PBEWithSHAAnd3-KeyTripleDES-CBC
desede-CBC-PKCS5Padding

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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