Adware.Gexin.17168

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) k####.eas####.com:80
TCP(HTTP/1.1) aliyun-####.mifeng####.cn:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) f####.mifeng####.cn:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
aliyun-####.mifeng####.cn
and####.b####.qq.com
api.map.b####.com
av1.x####.com
c####.x####.com
c-h####.g####.com
cm-1####.ig####.com
f####.mifeng####.cn
i.t####.com
k####.eas####.com
loc.map.b####.com
log.u####.com
o####.map.b####.com
pub-####.qin####.com
s####.u####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t.eas####.com

HTTP GET requests:

aliyun-####.mifeng####.cn/app/getList?data=Ag####
aliyun-####.mifeng####.cn/lumen/card/index?data=Ag####
aliyun-####.mifeng####.cn/lumen/promotion/display?data=####
aliyun-####.mifeng####.cn/message/unread?data=####
et2-na6####.wagbr####.ali####.####.com/bar/get/5a59d826f43e48142c0004ba/...
f####.mifeng####.cn/1.gif?plat_version=####&package_name=####&source_id=...
k####.eas####.com/v1/visitors/tenants/20888?sdkVersion=####&appKey=####&...
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_Soq141
q####.c####.l####.####.com/tdata_eTB810
q####.c####.l####.####.com/tdata_ris804
q####.c####.l####.####.com/tdata_tQZ349
qin####.com.www.####.com/tdata_EDT369

HTTP POST requests:

aliyun-####.mifeng####.cn/user/uuidClientLogin
aliyun-####.mifeng####.cn/user/uuidLogin
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
k####.eas####.com/import
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/####/.jg.ic
/data/data/####/1004
/data/data/####/1565719958495.log
/data/data/####/1565719961895_2149
/data/data/####/1565719961949_2149
/data/data/####/1565719962279_2149
/data/data/####/2b4535dff1f7
/data/data/####/CardManager.db
/data/data/####/CardManager.db-journal
/data/data/####/MultiDex.lock
/data/data/####/TDCloudSettingsConfigCA0EE8F3D133451893CB65826171380C.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/analytics-android-cn.fengrong.cardmanager.xml
/data/data/####/authStatus_cn.fengrong.cardmanager.xml
/data/data/####/authStatus_cn.fengrong.cardmanager;pushservice.xml
/data/data/####/authStatus_cn.fengrong.cardmanager;remote.xml
/data/data/####/authStatus_com.talkingdata.sdk.TDAntiCheatingService.xml
/data/data/####/bugly_db_-journal
/data/data/####/cn.fengrong.cardmanager.tmp
/data/data/####/cn.fengrong.cardmanager_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/device_id.xml.xml
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/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/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jianrong.xml
/data/data/####/kefuinfo.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu659547008.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/not_clear_sp.xml
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/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/####/share_name.xml
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_eTB810
/data/data/####/tdata_eTB810.jar
/data/data/####/tdata_ris804
/data/data/####/tdata_ris804.jar
/data/data/####/tdata_tQZ349
/data/data/####/tdata_tQZ349.jar
/data/data/####/tdid.xml
/data/data/####/umeng_socialize.xml
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/cn.fengrong.cardmanager.bin
/data/media/####/cn.fengrong.cardmanager.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_Soq141
/data/media/####/tdata_eTB810
/data/media/####/tdata_ris804
/data/media/####/tdata_tQZ349
/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 /proc/cpuinfo
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 25296 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu659547008.so
getprop
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 25296 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_5_2
Bugly
cryptopp_shared
getuiext2
gnustl_shared
hyphenate
hyphenate_av
hyphenate_av_recorder
libjiagu659547008
locSDK7b
rncrypto
sqlite

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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