Adware.Gexin.11676

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) www.p####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) app.28####.cn:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) web####.net####.im:443
TCP(TLS/1.0) wa####.127.net:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
app.28####.cn
c####.g####.ig####.com
c####.g####.ig####.com
c-h####.g####.com
cgi.con####.qq.com
lbs.net####.im
loc.map.b####.com
pi####.qq.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wa####.127.net
web####.net####.im
www.p####.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
ti####.c####.l####.####.com/config/hz-hzv3.conf
ti####.c####.l####.####.com/tdata_EDT369

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
app.28####.cn/mobile/getAllAnnouncerClass.json
app.28####.cn/mobile/setUserTuisong.json
app.28####.cn/mobile/userLevel.json
c-h####.g####.com/api.php?format=####&t=####
pi####.qq.com/mstat/report
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
www.p####.com/apiv1/sdkstat/install
www.p####.com/apiv1/sdkstat/launch

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/NIMSDK_Config_5a72b8caf45325137a5da2c958dc014a.xml
/data/data/####/authStatus_com.serita.qczb.xml
/data/data/####/authStatus_com.serita.qczb;core.xml
/data/data/####/authStatus_com.serita.qczb;pushservice.xml
/data/data/####/authStatus_com.serita.qczb;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/c73ffc01106d
/data/data/####/com.serita.qczb_preferences.xml
/data/data/####/com.tencent.open.config.json.1105927165
/data/data/####/crashrecord.xml
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/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/####/libcuid.so
/data/data/####/libjiagu-1069989349.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/pgyersdk.xml
/data/data/####/pili_qos_index.json
/data/data/####/pili_qos_log.0
/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/####/qczb.db-journal
/data/data/####/qos.xml
/data/data/####/run.pid
/data/data/####/saveInfo.xml
/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/####/tencent_analysis.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.serita.qczb.bin
/data/media/####/com.serita.qczb.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/nim_sdk.log
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_siA393
/data/media/####/test.log

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
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GeTuiService 24491 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1069989349.so
getprop
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GeTuiService 24491 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_5_0
Bugly
MtaNativeCrash
getuiext2
libjiagu-1069989349
locSDK7a

Uses the following algorithms to encrypt data:

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

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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