Adware.Gexin.9530

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) a####.u####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(HTTP/1.1) rp-na####.ron####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) img.2####.cn:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) cras####.growi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) u.zhug####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) s####.cn.ron####.com:443
TCP(TLS/1.0) ta.2####.cn:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224
TCP 1####.131.1.72:8601

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
api.growi####.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
cgi.con####.qq.com
cras####.growi####.com
img.2####.cn
loc.map.b####.com
nav.cn.ron####.com
pub-####.qin####.com
s####.cn.ron####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t####.growi####.com
t.growi####.com
ta.2####.cn
u.zhug####.com

HTTP GET requests:

cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?sdkv=####&appid=###...
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_siA393

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
rp-na####.ron####.com/navipush.json
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/####/COUNTLY_STORE.xml
/data/data/####/RongPush.xml
/data/data/####/Statistics.xml
/data/data/####/Statistics.xml.bak
/data/data/####/authStatus_com.rabbit.doctor.xml
/data/data/####/authStatus_com.rabbit.doctor;ipc.xml
/data/data/####/authStatus_com.rabbit.doctor;pushservice.xml
/data/data/####/authStatus_com.rabbit.doctor;remote.xml
/data/data/####/authStatus_io.rong.push.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.rabbit.doctor77c127e4d0b14712a7049ccfb9f55ffa.xml
/data/data/####/com.rabbit.doctor77c127e4d0b14712a7049ccfb9f55ffa.xml.bak
/data/data/####/com.rabbit.doctor;ipc.growing.db
/data/data/####/com.rabbit.doctor;ipc.growing.db-journal
/data/data/####/com.rabbit.doctor;pushservice.growing.db
/data/data/####/com.rabbit.doctor;pushservice.growing.db-journal
/data/data/####/com.rabbit.doctor;remote.growing.db
/data/data/####/com.rabbit.doctor;remote.growing.db-journal
/data/data/####/com.tencent.open.config.json.1105066502
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/docRabPro_shared.xml
/data/data/####/doctor-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/growing.db-journal
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/growingio_diagnose.xml (deleted)
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/io.rong.push.growing.db
/data/data/####/io.rong.push.growing.db-journal
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_siA393
/data/data/####/tdata_siA393.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/zhuge
/data/data/####/zhuge-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/RongLog.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.rabbit.doctor.bin
/data/media/####/com.rabbit.doctor.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/share_logo
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_siA393
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.getui.GeTuiPushService 24690 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_2_0
Bugly
RongIMLib
getuiext2
imagepipeline
libjiagu
locSDK7a

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

Uses the following algorithms to decrypt data:

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

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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