Android.Gexin.1351

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(HTTP/1.1) ga.rsv.eas####.####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(TLS/1.0) 2####.58.208.110:443
TCP(TLS/1.0) a####.eas####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) cgi.con####.qq.com:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP(TLS/1.2) 1####.251.36.46:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP cm-1####.g####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.eas####.com
a####.exc.mob.com
a####.u####.com
and####.google####.com
api.map.b####.com
api.w####.com
c-h####.g####.com
c.sz.gt.####.8
c.sz.gt.####.com
cdn-sdk####.g####.com
cgi.con####.qq.com
cm-1####.g####.com
instant####.google####.com
m####.go####.com
md####.google####.com
pi####.qq.com
rs.eas####.com
s####.sms.mob.com
safebro####.google####.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
sdk.sms.mob.####.8
www.ceng####.com
www.ceng####.com.####.8
www.gst####.com

HTTP GET requests:

api.w####.com:443/oauth2/getaid.json?appkey=####&mfp=01k####&packagename...
cdn-sdk####.g####.com.####.com/tdata_myE644
cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?status_os=####&stat...
cgi.con####.qq.com:443/qqconnectopen/openapi/policy_conf?status_os=####&...
d####.c####.l####.####.com/config/hzv9.conf
ga.rsv.eas####.####.com/easemob/server.json?sdk_version=####&app_key=###...
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_qHR433

HTTP POST requests:

a####.eas####.com:443/weimingzhong/cengme/devices
a####.exc.mob.com/errconf
a####.exc.mob.com/errlog
a####.u####.com.####.com/app_logs
api.map.b####.com:443/sdkcs/verify
c-h####.g####.com/api.php?format=####&t=####
pi####.qq.com/mstat/report
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/SMSSDK_2.xml
/data/data/####/SMSSDK_VCODE_1.xml
/data/data/####/ThrowalbeLog.db
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/authStatus_com.wmz.cengme.xml
/data/data/####/authStatus_com.wmz.cengme;pushservice.xml
/data/data/####/authStatus_com.wmz.cengme;remote.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/com.tencent.open.config.json.1104881859
/data/data/####/com.wmz.cengme_preferences.xml
/data/data/####/config.json
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mac.xml
/data/data/####/metrics_guid
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/proc_auxv
/data/data/####/profile
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/server.json
/data/data/####/share_data_updatesdk.xml
/data/data/####/sms_sdk_0.xml
/data/data/####/sms_sdk_0.xml.bak
/data/data/####/smssdk.db-journal
/data/data/####/tdata_myE644
/data/data/####/tdata_myE644.dex
/data/data/####/tdata_myE644.dex.flock (deleted)
/data/data/####/tdata_myE644.jar
/data/data/####/tencent_analysis.db-journal
/data/data/####/tmpd8.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/weibo_sdk_aid1
/data/media/####/.ba
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.dk
/data/media/####/.log.sf
/data/media/####/.nomedia
/data/media/####/.slock
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.tencent.mobileqq_connectSdk.22.01.03.03.log
/data/media/####/com.wmz.cengme.db
/data/media/####/easemob.log
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/monitor.db
/data/media/####/monitor.db-journal
/data/media/####/tdata_myE644

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
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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 APN settings.

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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