Adware.Gexin.6435

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) pub-####.qin####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) cloud####.fengkon####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) i####.t####.s####.com:80
TCP(HTTP/1.1) f####.fengkon####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) fk-k8s-####.ray####.com:443
TCP(TLS/1.0) api.mobig####.cn:443
TCP(TLS/1.0) analy####.ray####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP sdk.o####.t####.####.com:5224
UDP s.j####.cn:19000
TCP 1####.202.151.13:7000
TCP c####.g####.ig####.com:5227
TCP ope####.m.ta####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.man.aliy####.com
ag####.m.ta####.com
amdc####.m.ta####.com
analy####.ray####.com
and####.b####.qq.com
api.mobig####.cn
c####.g####.ig####.com
c-h####.g####.com
cloud####.fengkon####.com
f####.fengkon####.com
i####.t####.s####.com
pi####.qq.com
plb####.u####.com
pub-####.qin####.com
s.j####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
set####.ray####.com
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

pub-####.qin####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930

HTTP POST requests:

a####.exc.mob.com/errconf
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
cloud####.fengkon####.com/v2/device/conf
f####.fengkon####.com/v2/device/profile
i####.t####.s####.com/tracer/applist
pi####.qq.com/mstat/report/?index=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/0b967ee2-1de7-463b-bc88-54a42802247e
/data/data/####/1004
/data/data/####/201812121724101.v1.crash
/data/data/####/201812121724547.v1.crash
/data/data/####/201812121725173.v1.crash
/data/data/####/20181212172523.v1.crash
/data/data/####/20181212172544.v1.crash
/data/data/####/201812121725447.v1.crash
/data/data/####/201812121725515.v1.crash
/data/data/####/201812121725533.v1.crash
/data/data/####/201812121725845.v1.crash
/data/data/####/201812121725891.v1.crash
/data/data/####/42f4b0e2-b5b9-40ea-a5f3-fa149a195c4a
/data/data/####/6cdad6b685c6
/data/data/####/9ef2ceaf-2a43-47a8-b44a-ee2a847c2e5e
/data/data/####/ACCS_BINDumeng;5b35a673b27b0a436d00002c.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/JPushSA_Config.xml
/data/data/####/MessageStore.db
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db
/data/data/####/MsgLogStore.db-journal
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/XianShiConfig.xml
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/cloudms.conf.xml
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/cn.jpush.preferences.v2.xml (deleted)
/data/data/####/com.koramgame.xianshi.kl.mid.world.ro.xml
/data/data/####/com.koramgame.xianshi.kl_dna.xml
/data/data/####/com.koramgame.xianshi.kl_preferences.xml
/data/data/####/com.koramgame.xianshi.kl_preferences.xml.bak (deleted)
/data/data/####/com.koramgame.xianshi.kl_prefs.xml
/data/data/####/com.koramgame.xianshi.kl_prefs.xml.bak
/data/data/####/com.shumei.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NDg4MjE2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NDk1MDE1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTA0MDI4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTA2NTE2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTE1NTk0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTEwMjY3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTI0OTgw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTI5MTc5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTQ2ODk3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjM1NTQwMjMw;
/data/data/####/domain_1
/data/data/####/du.lock
/data/data/####/e05d575c-f008-48b6-bc01-2cf45065f51e
/data/data/####/e0979ffb-c9f4-4862-8ad9-8e00cd6b185e
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&2.0.1_1544635488299_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jni_log_1544635493575.txt
/data/data/####/jni_log_1544635505844.txt
/data/data/####/jni_log_1544635509635.txt
/data/data/####/jni_log_1544635515167.txt
/data/data/####/jni_log_1544635528403.txt
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_uncaughtexception_file
/data/data/####/libjiagu219289082.so
/data/data/####/local_crash_lock
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mintegral.msdk.db
/data/data/####/mintegral.msdk.db-journal
/data/data/####/mintegral.xml
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pri_tencent_analysis.db_com.koramgame.xianshi.kl
/data/data/####/pri_tencent_analysis.db_com.koramgame.xianshi.kl-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/####/seq.xml
/data/data/####/share_date.xml
/data/data/####/sys_log_1544635493575.txt
/data/data/####/sys_log_1544635505844.txt
/data/data/####/sys_log_1544635509635.txt
/data/data/####/sys_log_1544635515167.txt
/data/data/####/sys_log_1544635528403.txt
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/tencent_analysis.db_com.koramgame.xianshi.kl
/data/data/####/tencent_analysis.db_com.koramgame.xianshi.kl-journal
/data/data/####/tracker.db
/data/data/####/tracker.db-journal
/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_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/upload_device_data_time.xml
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/._android.dat
/data/media/####/._system.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.artc_lock
/data/media/####/.cca.dat
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.push_deviceid
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.thumbcache_idx0
/data/media/####/.umm.dat
/data/media/####/8825e52fe9844465a54beb3e9ad44d3e
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/_android.dat
/data/media/####/_system.dat
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.koramgame.xianshi.kl.bin
/data/media/####/com.koramgame.xianshi.kl.db
/data/media/####/duid
/data/media/####/e9d809d691e44e809a8045a421add3d8
/data/media/####/shumei.txt
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/data/media/####/test.log

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/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":"umeng:5b35a673b27b0a436d00002c","utdid":"XBFEXzA8Jj8DAGdzx1GpcUGk","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.base.service.GPushService 25376 300 0
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
chmod 700 <Package Folder>/files/gdaemon_20161017
date
df
getprop
grep 3692
id
ip link
logcat -c
logcat -d -v threadtime
logcat -d -v time
ls /dev/socket
ls /sys/class/thermal
ls /system/fonts
mkdir -p <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/
mount
ps
service call iphonesubinfo 1
sh
sh -c cat /proc/meminfo
sh -c cat /sys/class/net/eth0/address
sh -c cd /proc/;cat cpuinfo
sh -c cd /proc/net/ && cat arp
sh -c cd /proc/self/;cat status
sh -c echo M0JCMUZDREM3NThENzEwRDM1NDE4M0I1MkM5RjM3MDk3RjkzOEE6RjU0MzgxOjdCQzk2Qw== > <SD-Card>/../../../../../..<SD-Card>/._android.dat
sh -c echo M0JCMUZDREM3NThENzEwRDM1NDE4M0I1MkM5RjM3MDk3RjkzOEE6RjU0MzgxOjdCQzk2Qw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_android.dat
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/._system.dat
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_system.dat
sh -c echo QkJFNjc0Mjg3NDhENDM3RkM5RDZBOTQ1M0E1NjNFQTUxNTkzNzA0YjE1Y2M0MDIzOTcyNGIyYzBlZTFhZTkzOAo= > <SD-Card>/../../../../../..<SD-Card>/.duid
sh -c echo QkJFNjc0Mjg3NDhENDM3RkM5RDZBOTQ1M0E1NjNFQTUxNTkzNzA0YjE1Y2M0MDIzOTcyNGIyYzBlZTFhZTkzOAo= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/duid
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.base.service.GPushService 25376 300 0

Loads the following dynamic libraries:

Bugly
MtaNativeCrash_v2
du
getuiext3
jcore125
libjiagu219289082
smsdk
tnet-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-GCM-NoPadding
DES-ECB-NoPadding

Uses special library to hide executable bytecode.

Accesses camera interface.

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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