Adware.Gexin.8586

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####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) datash####.d####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) api.d####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) x####.tc.qq.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) api-####.d####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224
TCP c####.g####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
aexcep####.b####.qq.com
and####.b####.qq.com
api-####.d####.com
api.d####.com
api.map.b####.com
b####.g####.com
c####.g####.com
c####.g####.ig####.com
c####.g####.ig####.com
c-h####.g####.com
datash####.d####.com
l####.tbs.qq.com
loc.map.b####.com
log.u####.com
o####.map.b####.com
plb####.u####.com
s.b####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

datash####.d####.com/config/Android.conf
t####.c####.q####.####.com/tdata_OPb601
t####.c####.q####.####.com/tdata_WcR976
t####.c####.q####.####.com/tdata_YYn966
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c####.g####.com/api.php?format=####&t=####
datash####.d####.com/sa?project=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/1002
/data/data/####/1004
/data/data/####/22ce3bf9-a0a0-4511-9e8c-cb8649cdb965.zip
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/a==7.5.0&&1.11.0_1550044194407_envelope.log
/data/data/####/authStatus_com.dankegongyu.customer.xml
/data/data/####/authStatus_com.dankegongyu.customer;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu
/data/data/####/bugly_db_legu-journal
/data/data/####/changed_classes.dex.dex
/data/data/####/changed_classes.dex.jar
/data/data/####/city.xml
/data/data/####/com.dankegongyu.customer.BETA_VALUES.xml
/data/data/####/com.dankegongyu.customer_dna.xml
/data/data/####/com.dankegongyu.customer_prefs.xml
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDa...leted)
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/config.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MTk0MjM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjA0Njkw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjE3NDk0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjI1MDE0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjM2NTAx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjMxNjAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0MjUxNjM1;
/data/data/####/du.lock
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gtc.db-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&1.11.0_1550044198829_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044205102_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044217713_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044225068_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044231646_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044236634_envelope.log
/data/data/####/i==1.2.0&&1.11.0_1550044251749_envelope.log
/data/data/####/ic_back_727272_16x16.png
/data/data/####/ic_back_ffffff_16x16.png
/data/data/####/ic_search_888888_14x14.png
/data/data/####/ic_svg_arrow_down_666666.png
/data/data/####/ic_svg_arrow_right_b9bdd5.png
/data/data/####/ic_svg_arrow_right_f6959c.png
/data/data/####/ic_svg_back_white.png
/data/data/####/ic_svg_close.png
/data/data/####/ic_svg_close_red.png
/data/data/####/ic_svg_customer.png
/data/data/####/ic_svg_customer_white.png
/data/data/####/ic_svg_favorite.png
/data/data/####/ic_svg_favorite_white.png
/data/data/####/ic_svg_message_333333.png
/data/data/####/ic_svg_message_999999.png
/data/data/####/ic_svg_setting_999999.png
/data/data/####/ic_svg_share.png
/data/data/####/ic_svg_share_white.png
/data/data/####/info.lock
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.5.so
/data/data/####/libufix.so
/data/data/####/libweexjsb.so
/data/data/####/loc_baidu.xml
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/mix.so
/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/####/patch-67d31b22.apk
/data/data/####/patch.apk
/data/data/####/patch.info
/data/data/####/patch.retry
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/resources.apk
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/setting.xml
/data/data/####/sys_log_1550044247535733.txt
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_OPb601
/data/data/####/tdata_OPb601.jar
/data/data/####/tdata_WcR9762054221382.tmp
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/temp.apk
/data/data/####/test.dex.dex
/data/data/####/test.dex.jar
/data/data/####/tinker_own_config_com.dankegongyu.customer.xml
/data/data/####/tinker_own_config_com.dankegongyu.customer;pushservice.xml
/data/data/####/tinker_own_config_com.dankegongyu.customer;remote.xml
/data/data/####/tinker_share_config.xml
/data/data/####/tmpPatch.apk
/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_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/._android.dat
/data/media/####/._system.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.duid
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/_android.dat
/data/media/####/_system.dat
/data/media/####/app.db
/data/media/####/com.dankegongyu.customer.bin
/data/media/####/com.dankegongyu.customer.db
/data/media/####/com.dankegongyu.customer_.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/duid
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/media/####/tdata_OPb601
/data/media/####/tdata_YYn966
/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
/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.dankegongyu.component.push.DKPushService 25473 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.5.so
chmod 700 <Package Folder>/tx_shell/libufix.so
date
df
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.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
id
ip link
logcat -d -v threadtime
ls /dev/socket
ls /sys/class/thermal
ls /system/fonts
mkdir -p <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/
ps
service call iphonesubinfo 1
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 NDEyMEM0MzczQjc0RDNCRDM1OENFNTMzNzQ1NjI3NjJlMmQwYmI2Zjg2YmI0OTlkYmY5Mzc2NDdiOGY5NWJiawo= > <SD-Card>/../../../../../..<SD-Card>/.duid
sh -c echo NDEyMEM0MzczQjc0RDNCRDM1OENFNTMzNzQ1NjI3NjJlMmQwYmI2Zjg2YmI0OTlkYmY5Mzc2NDdiOGY5NWJiawo= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/duid
sh -c echo NUQzMUFCQkUwNDEzMEY4MzUzQzIyRjlEQzdCMjFCNjc0Rjg0MjM6RTMxQUFGOjU4OUY2Ng== > <SD-Card>/../../../../../..<SD-Card>/._android.dat
sh -c echo NUQzMUFCQkUwNDEzMEY4MzUzQzIyRjlEQzdCMjFCNjc0Rjg0MjM6RTMxQUFGOjU4OUY2Ng== > <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 <Package Folder>/files/gdaemon_20161017 0 <Package>/com.dankegongyu.component.push.DKPushService 25473 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v5_2_0
Bugly
du
getuiext2
libnfix
libshella-2.9.0.5
libufix
locSDK7b
nfix
ufix
weexjsc

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-GCM-NoPadding
RSA
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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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