Adware.Gexin.17354

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) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) update####.yo####.com:80
TCP(HTTP/1.1) fp.baby####.com:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) aliyun-####.al####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) a####.a####.m.####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP sdk.o####.t####.####.com:5224
TCP zb-cent####.m.ta####.com:443
TCP cm-1####.ig####.com:5226
TCP zb-cent####.m.ta####.com:80

DNS requests:

7j####.c####.z0.####.com
a####.m.ta####.com
a####.man.aliy####.com
accscdn####.m.ta####.com
acs4pu####.m.ta####.com
ag####.m.ta####.com
amap####.cn-hang####.oss####.####.com
api.baby####.com
c-h####.g####.com
cm-1####.ig####.com
fp.baby####.com
log.u####.com
map####.baby####.com
mpush####.al####.com
plb####.u####.com
pub-####.qin####.com
res####.a####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
trac####.baby####.com
u####.u####.com
update####.yo####.com

HTTP GET requests:

et2-na6####.wagbr####.ali####.####.com/bar/get/5b7240618f4a9d431700000e/...
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
ti####.c####.l####.####.com/tdata_LRe817
ti####.c####.l####.####.com/tdata_OxN092
ti####.c####.l####.####.com/tdata_ZPR725
ti####.c####.l####.####.com/tdata_bca864

HTTP POST requests:

a####.a####.m.####.com/amdc/mobileDispatch?appkey=####&deviceId=####&pla...
aliyun-####.al####.com/config
c-h####.g####.com/api.php?format=####&t=####
fp.baby####.com/api/api_monitor/getMonitorUrl
fp.baby####.com/newapi/push/saveDeviceToken
fp.baby####.com/udid/m1?sign=####&appKey=####&app=####&version=####
fp.baby####.com/warlock-collector/service/T0002
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
update####.yo####.com/update?

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.cache_tmpXX.db
/data/data/####/.files.db
/data/data/####/.imprint
/data/data/####/.sf.db.xml
/data/data/####/.sf.db.xml.bak (deleted)
/data/data/####/1566312966118.log
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/24c110e1f76093b35c3c2df1927aab79.0
/data/data/####/ACCS_BIND25055075.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/analytic.db-journal
/data/data/####/b_monitor.db-journal
/data/data/####/bb_analytic_prefer.xml.xml
/data/data/####/bb_monitor_prefer.xml.xml
/data/data/####/com.stardoctor.patient_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2MzEzMDI4NTgx;
/data/data/####/db.db
/data/data/####/db.db-journal
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&1.0.1_1566313028624_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu-1143114867.so
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/multidex.version.xml
/data/data/####/pref.xml
/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/####/stardoctor-journal
/data/data/####/statistics
/data/data/####/statistics-journal
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_OxN092
/data/data/####/tdata_OxN092.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.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_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/youdaoSdkCache.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.android.db
/data/media/####/.bdX.tmp
/data/media/####/.cca.dat
/data/media/####/.dataX.db
/data/media/####/.dsys
/data/media/####/.nomedia
/data/media/####/.ptcs.db
/data/media/####/.umm.dat
/data/media/####/1566312966871.db
/data/media/####/1566312976887.db
/data/media/####/1566313029044.db
/data/media/####/2bb6ba13dd3c4dc89b7769fa8059b4cf
/data/media/####/2fb03e8470a445afb90aabd2e572e36c
/data/media/####/578da644c070475da36ed5efd647443b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/alsn.db
/data/media/####/alsn.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.stardoctor.patient.bin
/data/media/####/com.stardoctor.patient.db
/data/media/####/d888ed5200da426f9c6cb160811f4db3
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/inapp_20190820.log
/data/media/####/tdata_LRe817
/data/media/####/tdata_OxN092
/data/media/####/tdata_ZPR725
/data/media/####/tdata_bca864
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/DaemonServer -s <Package Folder>/lib/ -n runServer -p startservice -n <Package>/com.taobao.accs.ChannelService --user 0 -f <Package Folder> -t 600 -c agoo.pid -P <Package Folder> -K 1009527 -U tb_accs_eudemon_1.1.3 -L http://agoodm.m.taobao.com/agoo/report -D {"package":"<Package>","appKey":"25055075","utdid":"XVwKAjzgVqgDAGdzx1FDTV0M","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.stardoctor.push.getui.GetuiPushService 25261 300 0
busybox ifconfig
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
ls /sys/class/thermal
mount
ps
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.stardoctor.push.getui.GetuiPushService 25261 300 0

Loads the following dynamic libraries:

DXRisk-4.8
DxRiskComm-4.8
dict-parser
getuiext3
libjiagu-1143114867
tnet-3.1

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
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.

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