Adware.Gexin.6448

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) a####.u####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cl####.map.n.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) mapve####.jom####.com:80
TCP(HTTP/1.1) pay.jsfin####.cn:80
TCP(HTTP/1.1) api.map.b####.com:80
TCP(HTTP/1.1) newcl####.map.b####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) p####.jsfin####.cn:80
TCP(HTTP/1.1) www.jsfin####.cn:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
cl####.map.b####.com
loc.map.b####.com
log.u####.com
newcl####.map.b####.com
p####.jsfin####.cn
pay.jsfin####.cn
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
vector####.b####.com
www.jsfin####.cn

HTTP GET requests:

api.map.b####.com/sdkproxy/v2/lbs_androidsdk/geocoder/v2?location=####&c...
cl####.map.n.####.com/imap/sdk/tj?qt=####&mb=####&os=####&sv=####&net=##...
cl####.map.n.####.com/offline-search/?action=####&qt=####&offsv=####&off...
mapve####.jom####.com/vecdata/?qt=####&c=####&v=####&fv=####&mb=####&os=...
newcl####.map.b####.com/client/phpui2/?action=####&rp_format=####&qt=###...
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_fyR930
ti####.c####.l####.####.com/config/hz-hzv3.conf
ti####.c####.l####.####.com/tdata_EDT356
www.jsfin####.cn/control/ActionList.php?colid=####&pageon=####&pagesize=...

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
p####.jsfin####.cn/park_gateway/jst-park-app/switch/list
pay.jsfin####.cn/app_gateway/app/rest/version/queryLatestVersionInfo
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imei.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/7cacf3ef6a31
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/CustomIndex
/data/data/####/DVDirectory.cfg
/data/data/####/DVHotMap.cfg
/data/data/####/DVHotcity.cfg
/data/data/####/DVHotcity.cfg_seg
/data/data/####/DVIndoor.cfg
/data/data/####/DVSDirectory.cfg
/data/data/####/DVSDirectory.cfg_seg
/data/data/####/DVVersion.cfg
/data/data/####/ResPackIndoorMap.rs
/data/data/####/SwitchConfiguration
/data/data/####/TB_APP_CONFIG.xml
/data/data/####/authStatus_com.jieshunpay.smartpark.xml
/data/data/####/authStatus_com.jieshunpay.smartpark;pushservice.xml
/data/data/####/authStatus_com.jieshunpay.smartpark;remote.xml
/data/data/####/baseindoormap.sty
/data/data/####/bugly_db_-journal
/data/data/####/bus.sty
/data/data/####/car.sty
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/crashrecord.xml
/data/data/####/cycle.sty
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzQ5NTM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzQzMDI3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzU1MzY0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzUxOTM2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzY1MDI3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzY4MDc2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0Mzc1ODkw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0Mzc4MTgx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzczMzk2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0Mzg0ODY2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0Mzg4NTQ5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0MzgyNTc2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0Mzk5MTAz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0NDEwMzg0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ0NjQ0NDExNzU4;
/data/data/####/dW1weF9zaGFyZV8xNTQ0NjQ0MzU5OTgz;
/data/data/####/dW1weF9zaGFyZV8xNTQ0NjQ0MzYwMDcy;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&1.4.3_1544644343040_envelope.log
/data/data/####/i==1.2.0&&1.4.3_1544644356632_envelope.log
/data/data/####/i==1.2.0&&1.4.3_1544644368379_envelope.log
/data/data/####/i==1.2.0&&1.4.3_1544644400526_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/local_crash_lock
/data/data/####/map.rs
/data/data/####/map.sty
/data/data/####/map_pref.xml
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/reduct.rs
/data/data/####/reduct.sty
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_fyR930
/data/data/####/tdata_fyR930.jar
/data/data/####/traffic.rs
/data/data/####/traffic.sty
/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/####/ver.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid2
/data/media/####/.imei.txt
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/DTTempdat.dat
/data/media/####/DTTempdat.idx
/data/media/####/DVUserdat.cfg
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jieshunpay.smartpark.bin
/data/media/####/com.jieshunpay.smartpark.db
/data/media/####/sysid.dat
/data/media/####/tdata_bca864
/data/media/####/tdata_fyR930
/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>/<Package>.service.GTPushService 25480 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GTPushService 25480 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v5_0_0
BaiduMapSDK_map_v5_0_0
Bugly
ZBarDecoder
getuiext3
jiagu_x86
locSDK7b

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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