Adware.Gexin.22389

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.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 39.1####.155.228:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) 2####.58.208.202:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) def####.cn.zb.####.com:443
TCP(TLS/1.0) www.p####.com:443
TCP(TLS/1.0) 1####.250.186.206:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.2) 2####.58.209.14:443
TCP(TLS/1.2) 2####.58.208.202:443
TCP(TLS/1.2) 1####.250.203.131:443
TCP cm-1####.g####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.u####.com
and####.b####.qq.com
and####.google####.com
android####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
l####.tbs.qq.com
log.u####.com
m####.go####.com
s####.u####.com
s####.u####.com.####.8
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.gst####.com
www.p####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EAx630
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_fPG280
cdn-sdk####.g####.com.####.com/tdata_kPg706
d####.c####.l####.####.com/config/hzv9.conf
def####.cn.zb.####.com:443/bar/get/5af50f748f4a9d7f0c0000e0/?ud_get=####
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com.####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
www.p####.com:443/apiv1/crash/add

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1642793394492.log
/data/data/####/1f88d82f021e3b311693c057789b546a121ea8c922342fa....0.tmp
/data/data/####/600a3bb95154
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/QwdMusic.db-journal
/data/data/####/TrineaAndroidCommon.xml
/data/data/####/a41757817b8396985b5426fa8d3fcf11d8a951f1ae3272e...7f3c.0
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/download_upload
/data/data/####/e31a671b2ea7485b001e25cdee4a54903ab8ae59957be5b...12db.0
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/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/####/journal
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/pgyersdk.xml
/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/####/songqi_deliver_info.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_EAx630
/data/data/####/tdata_EAx630.dex
/data/data/####/tdata_EAx630.dex.flock (deleted)
/data/data/####/tdata_EAx630.jar
/data/data/####/tdata_fPG280
/data/data/####/tdata_fPG280.dex
/data/data/####/tdata_fPG280.dex.flock (deleted)
/data/data/####/tdata_fPG280.jar
/data/data/####/tdata_kPg706
/data/data/####/tdata_kPg706.dex
/data/data/####/tdata_kPg706.dex.flock (deleted)
/data/data/####/tdata_kPg706.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.theaty.quDancing.bin
/data/media/####/com.theaty.quDancing.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tbslog.txt
/data/media/####/tdata_EAx630
/data/media/####/tdata_fPG280
/data/media/####/tdata_kPg706
/data/media/####/test.log (deleted)

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c type su
getprop
getprop ro.product.cpu.abi
logcat -d -v threadtime
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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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