Adware.Gexin.9367

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) c-h####.g####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(TLS/1.0) nbsdk-b####.al####.com:443
TCP(TLS/1.0) gm.mm####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
ad####.m.ta####.com
ada####.m.ta####.com
c####.g####.ig####.com
c-h####.g####.com
hotp####.wan####.ta####.com
log.u####.com
nbsdk-b####.al####.com
pub-####.qin####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wb.110.ta####.com
wgo.mm####.com
y####.al####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_AXX896
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_Fus136
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
c-h####.g####.com/api.php?format=####&t=####
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do
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/####/.log.lock
/data/data/####/.log.ls
/data/data/####/02-28_23_50_com.yunmagou.yunmagou_2274
/data/data/####/02-28_23_50_com.yunmagou.yunmagou_TcmsService_2324
/data/data/####/02-28_23_50_com.yunmagou.yunmagou_pushservice_2378
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1551397807605.log
/data/data/####/1d77ea041509fe06.lock
/data/data/####/21c22f492aba3de8.lock
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/UTCommon.xml
/data/data/####/aliTradeConfigSP.xml
/data/data/####/ap.Lock
/data/data/####/com.yunmagou.yunmagou_preferences.xml
/data/data/####/core_info
/data/data/####/f3ab8cf611b9
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/imei.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/libsgmainso-5.1.81.so.tmp
/data/data/####/libsgsecuritybodyso-5.1.25.so.tmp
/data/data/####/lock.lock
/data/data/####/notification_config.xml
/data/data/####/onesdk_device.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/sp.lock
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tcms_istied.xml
/data/data/####/tdata_AXX896
/data/data/####/tdata_AXX896.jar
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_Fus136
/data/data/####/tdata_Fus136.jar
/data/data/####/timestamp
/data/data/####/umeng_socialize.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/media/####/2_20190228_r
/data/media/####/6c709c11d2d46a7b
/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/####/com.yunmagou.yunmagou.bin
/data/media/####/com.yunmagou.yunmagou.db
/data/media/####/dd7893586a493dc3
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/hid.dat
/data/media/####/tdata_AXX896
/data/media/####/tdata_BAI450
/data/media/####/tdata_Fus136
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/com.yunmagou.GeTui.GeTuPushService 25181 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop ro.product.cpu.abi
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.yunmagou.GeTui.GeTuPushService 25181 300 0

Loads the following dynamic libraries:

getuiext2
inet.2.0
libjiagu
sgmainso-5.1
sgsecuritybodyso-5.1
ut_c_api

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
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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