Adware.Gexin.9188

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) h####.b####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) a####.2018888####.com:80
TCP(HTTP/1.1) z####.jia.com.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) 2####.151.108.121:443
TCP(TLS/1.0) t####.jia.com:443
TCP(TLS/1.0) s####.j####.cn:443
TCP(TLS/1.0) 1####.217.168.238:443
TCP(TLS/1.0) redi####.network####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225
UDP s.j####.cn:19000
TCP 1####.202.138.19:7000

DNS requests:

7j####.c####.z0.####.com
a####.2018888####.com
c####.g####.ig####.com
c-h####.g####.com
dc1.network####.com
h####.b####.com
pub-####.qin####.com
redi####.network####.com
s####.j####.cn
s.j####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sis.j####.io
t####.jia.com
t####.jia.com
up####.sdk.jig####.cn
z####.jia.com

HTTP GET requests:

a####.2018888####.com/getAppConfig.php?appid=####
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_RSQ274
t####.c####.q####.####.com/tdata_RbW195
t####.c####.q####.####.com/tdata_qHR433
ti####.c####.l####.####.com/config/hz-hzv3.conf
z####.jia.com.####.com/123/930/23930970.jpg
z####.jia.com.####.com/bind-device

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
h####.b####.com/app.gif
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
up####.sdk.jig####.cn/v1/push/sdk/postlist
z####.jia.com.####.com/ad/qijia/start

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1364b4acea3882d6a4173cf101a597eb.0.tmp
/data/data/####/1364b4acea3882d6a4173cf101a597eb.1.tmp
/data/data/####/CookiePrefsFile.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MC1BGTS2wVnqhVWUPkD8Q2EV4Ck.-98766633.tmp
/data/data/####/MultiDex.lock
/data/data/####/NBSCrashStore.xml
/data/data/####/XNSDKStore1.0.xml
/data/data/####/XNclientid.xml
/data/data/####/XNmachineid.xml
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1551197082147
/data/data/####/ad_entity.json
/data/data/####/appPackageNames_v2
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.networkbench.agent.impl.v2_com.caizhuang.baodianhw.xml
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/fb5e36cedef7
/data/data/####/gdaemon_20161017
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/journal.tmp
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_local_notification.db
/data/data/####/jpush_local_notification.db-journal
/data/data/####/jpush_local_notification.db-wal
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/libcuid.so
/data/data/####/libjiagu-170643572.so
/data/data/####/multidex.version.xml
/data/data/####/nbsagent_preference_com.caizhuang.baodianhw.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qj_1000_ISME9754_guest4674339676550263361798278...951294
/data/data/####/qj_1000_ISME9754_guest4674339676550263361798278...ournal
/data/data/####/run.pid
/data/data/####/tdata_RSQ274
/data/data/####/tdata_RSQ274.jar
/data/data/####/tdata_RbW195
/data/data/####/tdata_RbW195.jar
/data/data/####/tdata_qHR433
/data/data/####/tdata_qHR433.jar
/data/data/####/umeng_general_config.xml
/data/data/####/wakeup_cache.json
/data/data/####/xnsdkconfig.xml
/data/data/####/zixun_settings.xml
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.push_deviceid
/data/media/####/.timestamp
/data/media/####/ad_page.jpg
/data/media/####/app.db
/data/media/####/com.caizhuang.baodianhw.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_RSQ274
/data/media/####/tdata_RbW195
/data/media/####/tdata_qHR433
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25306 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
mount

Loads the following dynamic libraries:

crash_analysis
getuiext2
jcore119
libimagepipeline
libjiagu-170643572

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-ECB-PKCS5Padding

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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