Adware.Gexin.9269

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) ti####.c####.l####.####.com:80
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) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
UDP(NTP) 0.a####.p####.####.org:123
UDP(NTP) 2.a####.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####.168.132.1:137
UDP 27.12.1####.47:44458
UDP 27.12.1####.47:44449
UDP 27.12.1####.47:44459
TCP c####.g####.ig####.com:5226
UDP 27.12.1####.47:44448
TCP sdk.o####.t####.####.com:5224
UDP 27.12.1####.47:44450
UDP 27.12.1####.47:44446
UDP 27.12.1####.47:44444
UDP 27.12.1####.47:44452
UDP 27.12.1####.47:44453
UDP 27.12.1####.47:44445
UDP 27.12.1####.47:44462
UDP 27.12.1####.47:44451
UDP 27.12.1####.47:44461
UDP 27.12.1####.47:44456
UDP 27.12.1####.47:44460
UDP 27.12.1####.47:44457
UDP 27.12.1####.47:44447
UDP 27.12.1####.47:44454
UDP 27.12.1####.47:44455

DNS requests:

0.a####.p####.####.org
1.cn.p####.####.org
2.a####.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
jk.la####.me
me.x####.com
plb####.u####.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_nxn539
t####.c####.q####.####.com/tdata_zzW503
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
aexcep####.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=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/-1760617689947167793
/data/data/####/.imprint
/data/data/####/1551267130884_2279
/data/data/####/1551267131013_2279
/data/data/####/1551267132354_2279
/data/data/####/1551267134545_2351
/data/data/####/1551267135064_2407
/data/data/####/1551267135167_2407
/data/data/####/1551267135458_2351
/data/data/####/1551267137059_2279
/data/data/####/1551267139113_2603
/data/data/####/1551267140486_2730
/data/data/####/1551267140738_2730
/data/data/####/1551267144651_2881
/data/data/####/1551267145558_2881
/data/data/####/1551267147505_3019
/data/data/####/1551267148004_3019
/data/data/####/1551267158290_3251
/data/data/####/1551267158870_3251
/data/data/####/1551267161753_3390
/data/data/####/1551267162330_3390
/data/data/####/1551267168066_3558
/data/data/####/1551267168167_3558
/data/data/####/1551267171314_3718
/data/data/####/1551267171861_3718
/data/data/####/1551267175793_3857
/data/data/####/1551267176385_3857
/data/data/####/1551267180615_4013
/data/data/####/1551267181110_4013
/data/data/####/1551267184471_4153
/data/data/####/1551267185004_4153
/data/data/####/1551267188227_4287
/data/data/####/1551267188724_4287
/data/data/####/1551267194543_4433
/data/data/####/1551267195009_4433
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxMzgyMTU=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNDQ3NDE=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNDc2MTg=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNTg0MTE=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNjE5MjU=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNjcxNjI=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNzE0MzE=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxNzU5NjQ=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxODA3MjI=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxODQ1Njg=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxODgzMTU=;
/data/data/####/L3VtcHhfZXJyb3JzXzE1NTEyNjcxOTQ2MDI=;
/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_1551267136584_envelope.log
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/bugly_db_legu-journal
/data/data/####/com.jiujiuyun.laijiehome_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTM2Njky;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTQ1MTE4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTQ3OTEx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTQxMTk0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTU4NzI5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTY3NDEz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTYyMjQ4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTc2MzM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTcxNzE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTg0OTEz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTg4NjAz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTgxMDQ0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxMjY3MTk0ODc2;
/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_1551267137331_envelope.log
/data/data/####/i==1.2.0&&1.0.5_1551267158968_envelope.log
/data/data/####/i==1.2.0&&1.0.5_1551267168114_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jiujiuyun_creativelocker.pref.xml
/data/data/####/jiujiuyun_islan.pref.xml
/data/data/####/jiujiuyun_net_db-journal
/data/data/####/jiujiuyun_user.xml
/data/data/####/journal.tmp
/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_nxn539
/data/data/####/tdata_nxn539.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_nxn539
/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
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
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-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

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