Adware.Gexin.21720

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) adash####.man.aliy####.com:80
TCP(HTTP/1.1) ga.rsv.eas####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) def####.cn.zb.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) big####.col####.geg####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) 2####.58.214.10:443
TCP(TLS/1.0) a1.eas####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) 2####.58.208.106:443
TCP(TLS/1.0) api.myzebr####.com:443
TCP(TLS/1.2) 1####.250.179.195:443
TCP(TLS/1.2) 2####.58.214.10:443
TCP api.myzebr####.com:443
UDP r5---sn####.g####.com:443
UDP 1####.217.168.234:443
UDP 2####.58.214.10:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
a####.u####.com
a1.eas####.com
and####.b####.qq.com
and####.cli####.go####.com
api.myzebr####.com
big####.col####.geg####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
hotfix####.aliy####.com
log.u####.com
oc.u####.com
r5---sn####.g####.com
rs.eas####.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

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_DNL558
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RdS556
cdn-sdk####.g####.com.####.com/tdata_hqs030
d####.c####.l####.####.com/config/hzv9.conf
def####.cn.zb.####.com/bar/get/5bdd6771f1f55612d300089e/?ud_get=####
ga.rsv.eas####.####.com/easemob/server.json?sdk_version=####&app_key=###...
hotfix####.aliy####.com:443/u/25241505-1/YXLHrFAW8/0DAGdzx1EgkzQ1/1/0/
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_FhD658

HTTP POST requests:

a####.u####.com.####.com/app_logs
a1.eas####.com:443/globalscanner/globalscannerh5/devices
adash####.man.aliy####.com/man/api?ak=####&s=####
and####.b####.qq.com/rqd/async?aid=####
big####.col####.geg####.com/gegejia-track/track/start
c-h####.g####.com/api.php?format=####&t=####
oc.u####.com/check_config_update
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1634912173440.log
/data/data/####/47bbb97ddd77
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/config.json
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/disk_entries_list_image_cache_177949387.xml
/data/data/####/gegejia_gpm_preferences.xml
/data/data/####/gegejia_gpm_preferences.xml.bak
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/globalscanner.xml
/data/data/####/globalscanner.xml.bak
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/kpluse-journal
/data/data/####/libjiagu.so
/data/data/####/mobclick_agent_online_setting_com.banma.xml
/data/data/####/mobclick_agent_online_setting_com.banma.xml.bak
/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/####/server.json
/data/data/####/sp_sophix.xml
/data/data/####/sp_sophix.xml.bak
/data/data/####/tdata_DNL558
/data/data/####/tdata_DNL558.dex
/data/data/####/tdata_DNL558.dex.flock (deleted)
/data/data/####/tdata_DNL558.jar
/data/data/####/tdata_RdS556
/data/data/####/tdata_RdS556.dex
/data/data/####/tdata_RdS556.dex.flock (deleted)
/data/data/####/tdata_RdS556.jar
/data/data/####/tdata_hqs030
/data/data/####/tdata_hqs030.dex
/data/data/####/tdata_hqs030.dex.flock (deleted)
/data/data/####/tdata_hqs030.jar
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.banma.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/easemob.log
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/tdata_DNL558
/data/media/####/tdata_RdS556
/data/media/####/tdata_hqs030
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c type su
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
getprop
getprop wifi.interface
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-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.

Gets information about running apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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