Adware.Gexin.11523

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) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) apip####.xinhu####.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) apip####.xinhu####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) l####.tbs.qq.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
apip####.xinhu####.com
c####.g####.ig####.com
c-h####.g####.com
l####.tbs.qq.com
loc.map.b####.com
log.u####.com
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

apip####.xinhu####.com/Service/IndexSvr.svc/getFooter?styleId=####&appId...
apip####.xinhu####.com/Service/MainSvr.svc/GetLoginConfigs?appId=####&ap...
apip####.xinhu####.com/Service/MainSvr.svc/GetUserConfigs?appId=####&app...
apip####.xinhu####.com/Service/MainSvr.svc/getSplash?appId=####&appKey=#...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_Jga153
t####.c####.q####.####.com/tdata_Wqf010
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_duV457
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
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/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/IMEI.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/authStatus_net.xinhuamm.xy001;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/config_new.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/d7630b7085c9
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU0MjQyODE2Njk3;
/data/data/####/dW1weF9zaGFyZV8xNTU0MjQyODE3ODcx;
/data/data/####/dW1weF9zaGFyZV8xNTU0MjQyODE3OTM5;
/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/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&3.0.0_1554242816701_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu-2051359592.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/####/pushservice_umeng_common_config.xml
/data/data/####/remote_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/t==8.0.0&&3.0.0_1554242817302_envelope.log
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_Jga153
/data/data/####/tdata_Jga153.jar
/data/data/####/tdata_Wqf010
/data/data/####/tdata_Wqf010.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_duV457
/data/data/####/tdata_duV457.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/net.xinhuamm.xy001.bin
/data/media/####/net.xinhuamm.xy001.db
/data/media/####/tdata_Jga153
/data/media/####/tdata_Wqf010
/data/media/####/tdata_bca864
/data/media/####/tdata_duV457
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

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
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.xinhuamm.xinhuasdk.push.GetuiPushService 24676 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.product.cpu.abi
ls /
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.xinhuamm.xinhuasdk.push.GetuiPushService 24676 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
libjiagu-2051359592
locSDK7b

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DESede-ECB-PKCS7Padding
RSA-ECB-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
DESede-ECB-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 installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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