Adware.Gexin.5382

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) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) yundada####.oss-cn-####.aliy####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) scs.opensp####.cn:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) pub-####.qin####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) www.google-####.com:443
TCP(TLS/1.0) web.yunda####.com:443
TCP(TLS/1.0) www.yunda####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
d####.opensp####.cn
l####.tbs.qq.com
loc.map.b####.com
log.u####.com
mt####.go####.com
plb####.u####.com
pub-####.qin####.com
scs.opensp####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
web.yunda####.com
www.google-####.com
www.yunda####.com
yundada####.oss-cn-####.aliy####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_vHH584
t####.c####.q####.####.com/tdata_wmL809
ti####.c####.l####.####.com/config/hz-hzv3.conf
yundada####.oss-cn-####.aliy####.com/yddfile/user-pri/1d9eb87d-b197-48c3...

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
loc.map.b####.com/offline_loc
loc.map.b####.com/sdk.php
scs.opensp####.cn/index.php/clientrequest/clientcollect/isCollect
scs.opensp####.cn/scs?cmd=####&logver=####&size=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/46435fe4b16184f27bca6f32ba4d1d09
/data/data/####/5e9c62a64ae0
/data/data/####/67eaff0383c35ecf51a940b15f954dba
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/MultiDex.lock
/data/data/####/SP4KEYcom.yundada56.consignor.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/a==7.5.4&&1.6.0_1543371157447_envelope.log
/data/data/####/authStatus_com.yundada56.consignor.xml
/data/data/####/authStatus_com.yundada56.consignor;pushservice.xml
/data/data/####/authStatus_com.yundada56.consignor;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.iflytek.id.xml
/data/data/####/com.iflytek.msc.xml
/data/data/####/com.yundada56.consignor.BETA_VALUES.xml
/data/data/####/common_pref.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMzcxMTE3MDM3;
/data/data/####/dW1weF9zaGFyZV8xNTQzMzcxMTQwNzQy;
/data/data/####/dW1weF9zaGFyZV8xNTQzMzcxMTQwNzg1;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/history.db-journal
/data/data/####/i==1.2.0&&1.6.0_1543371117156_envelope.log
/data/data/####/iflytek_state_com.yundada56.consignor.xml
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcom_pref.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu1989550540.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/login_cookies.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/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/####/place3
/data/data/####/place3-journal
/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/####/security_info
/data/data/####/share.db-journal
/data/data/####/sp_config.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/tdata_wmL809
/data/data/####/tdata_wmL809.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_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.yundada56.consignor.bin
/data/media/####/com.yundada56.consignor.db
/data/media/####/conlts.dat
/data/media/####/iflyworkdir_test
/data/media/####/ller.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_vHH584
/data/media/####/tdata_wmL809
/data/media/####/test.0
/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.yundada56.lib_common.message.push.YddPushService 25238 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

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_0_0
Bugly
getuiext2
libjiagu1989550540
locSDK6a
msc

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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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