Adware.Gexin.9518

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####.b####.qq.com:8011
TCP(HTTP/1.1) a####.b####.qq.com:8012
TCP(HTTP/1.1) c####.bs.g####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) me.x####.com:443
TCP(TLS/1.0) 2564####.la####.me:443
UDP 1####.90.102.47:44451
UDP 1####.90.102.47:44450
UDP 1####.90.102.47:44457
UDP 1####.90.102.47:44456
UDP 1####.90.102.47:44447
UDP 1####.90.102.47:44455
UDP 1####.90.102.47:44444
TCP sdk.o####.t####.####.com:5224
UDP 1####.90.102.47:44454
UDP 1####.90.102.47:44468
UDP 1####.90.102.47:44459
UDP 1####.90.102.47:44448
UDP 1####.168.118.1:137
UDP 1####.90.102.47:44465
UDP 1####.90.102.47:44449
UDP 1####.90.102.47:44463
UDP 1####.90.102.47:44462
UDP 1####.90.102.47:44445
UDP 1####.90.102.47:44460
TCP c####.g####.ig####.com:5227
UDP 1####.90.102.47:44461
UDP 1####.90.102.47:44446
UDP 1####.90.102.47:44453
UDP 1####.90.102.47:44466
UDP 1####.90.102.47:44464
UDP 1####.90.102.47:44452
UDP 1####.90.102.47:44458
UDP 1####.90.102.47:44467

DNS requests:

1.cn.p####.####.org
2564####.la####.me
7j####.c####.z0.####.com
a####.b####.qq.com
a####.man.aliy####.com
aexcep####.b####.qq.com
and####.b####.qq.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
hotfix####.aliy####.com
i.t####.com
me.x####.com
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
sec.u####.com
trac####.m####.p####.com
u####.u####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_JNg986
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iRz660
t####.c####.q####.####.com/tdata_zzW503
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
a####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
c####.bs.g####.####.com/trackingdata/checkapptracking.htm
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/-1760617689947167793
/data/data/####/.imprint
/data/data/####/1551649080965_2274
/data/data/####/1551649081095_2274
/data/data/####/1551649082436_2274
/data/data/####/1551649083178_2354
/data/data/####/1551649083487_2354
/data/data/####/1551649084520_2417
/data/data/####/1551649084592_2417
/data/data/####/1551649085748_2274
/data/data/####/1551649088177_2638
/data/data/####/1551649090566_2764
/data/data/####/1551649090894_2764
/data/data/####/1551649095776_2926
/data/data/####/1551649096167_2926
/data/data/####/1551649100239_3086
/data/data/####/1551649100794_3086
/data/data/####/1551649104164_3230
/data/data/####/1551649104592_3230
/data/data/####/1551649107698_3365
/data/data/####/1551649108201_3365
/data/data/####/1551649110670_3501
/data/data/####/1551649111095_3501
/data/data/####/1551649113135_3639
/data/data/####/1551649113486_3639
/data/data/####/1551649116715_3778
/data/data/####/1551649117122_3778
/data/data/####/1551649118959_3914
/data/data/####/1551649119378_3914
/data/data/####/1551649122024_4055
/data/data/####/1551649122462_4055
/data/data/####/1551649124984_4188
/data/data/####/1551649125352_4188
/data/data/####/1551649127393_4322
/data/data/####/1551649127751_4322
/data/data/####/1551649131635_4457
/data/data/####/1551649132000_4457
/data/data/####/1551649133237_4573
/data/data/####/1551649133619_4573
/data/data/####/1551649138043_4726
/data/data/####/1551649138431_4726
/data/data/####/1551649142958_4876
/data/data/####/1551649143356_4876
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkwODg0Njg=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkwOTU4NTI=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMDA0MzQ=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMDQyNjc=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMDc4NTY=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMTA3Njc=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMTMyMDc=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMTY4MTc=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMTkwMTg=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMjIxNTQ=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMjUwMjI=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMjc0NjU=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMzE2ODQ=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMzMzMjY=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxMzgxMDI=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTE2NDkxNDMwNzc=;
/data/data/####/MultiDex.lock
/data/data/####/TDCloudSettingsConfigA3F95A09F929444099046D8B6009ABBC.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/a==7.4.0&&1.0.5_1551649086246_envelope.log
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/bugly_db_legu-journal
/data/data/####/com.jiujiuyun.laijiehome_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MDg1NTUz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MDk2MTYw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MDkwOTk2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTA0NTEw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTA4MTEy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTAwNjgw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTE3MDIw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTE5MjU2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTExMDQy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTEzNDM0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTI1Mjgw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTI3NzIw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTIyMzY5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTM4MzQ0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTMxOTM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTMzNTYx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxNjQ5MTQzMzAx;
/data/data/####/download_file.db-journal
/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/####/i==1.2.0&&1.0.5_1551649085580_envelope.log
/data/data/####/i==1.2.0&&1.0.5_1551649138521_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jiujiuyun_net_db-journal
/data/data/####/jiujiuyun_user.xml
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.1.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/polling_conf.xml
/data/data/####/ppdai_loan.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/####/security_info
/data/data/####/sp_sophix.xml
/data/data/####/tdata_JNg986
/data/data/####/tdata_JNg986.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iRz660
/data/data/####/tdata_iRz660.jar
/data/data/####/tdata_zzW503
/data/data/####/tdata_zzW503.jar
/data/data/####/tdid.xml
/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/####/umexecption.json
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.tcookieid
/data/media/####/.umm.dat
/data/media/####/255633e1-f975-458f-b4f0-e0c2f879ad1f
/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.jiujiuyun.laijiehome.bin
/data/media/####/com.jiujiuyun.laijiehome.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/sysid.dat
/data/media/####/tdata_JNg986
/data/media/####/tdata_MkX219
/data/media/####/tdata_iRz660
/data/media/####/tdata_zzW503
/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 ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.jiujiuyun.laijie.ui.service.GeTuiService 25462 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.1.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.jiujiuyun.laijie.ui.service.GeTuiService 25462 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
jcrypto
libnfix
libshella-2.9.1.2
libufix
nfix
securityenv
ufix
umeng_error_catch

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding
PBEWithSHAAnd3-KeyTripleDES-CBC

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial