Adware.Gexin.4281

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) m.huaina####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) si####.ixi####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) n####.huaina####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) j####.ixi####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
UDP(NTP) 1.cn.p####.####.org:123
TCP(TLS/1.0) ti####.c####.l####.####.com:443
TCP(TLS/1.0) si####.ixi####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) v####.ixi####.com:443
TCP(TLS/1.0) as####.growi####.com.####.net:443
TCP(TLS/1.0) idv####.qini####.com:443
TCP(TLS/1.0) cdn####.appa####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) experi####.appa####.com:443
TCP(TLS/1.0) schedul####.yo####.com:443
TCP(TLS/1.0) m.ixi####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

1.cn.p####.####.org
7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
api.growi####.com
as####.growi####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
cdn####.appa####.com
eru-xi####.ixi####.com
experi####.appa####.com
i.t####.com
j####.ixi####.com
m.huaina####.com
m.ixi####.com
morgoth####.ixi####.com
n####.huaina####.com
s####.magicwi####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
si####.ixi####.com
t####.growi####.com
t.growi####.com
tj.youza####.com
v####.ixi####.com

HTTP GET requests:

j####.ixi####.com/abtest/get_config?project_name=####&phone_sn=####&vers...
j####.ixi####.com/account/check_account_name?account_name=####&phone_sn=...
j####.ixi####.com/config/load?version=####&project_name=####&front_type=...
j####.ixi####.com/getui/update_cid?pcid=####&phone_sn=####&version=####&...
j####.ixi####.com/youzan/login?phone_sn=####&version=####&app_channel=##...
m.huaina####.com/study-a?version=####&login_user_id=####&device=####&pho...
n####.huaina####.com/promotion_task/info?device_id=####&activate=####&ph...
n####.huaina####.com/report/get_bad_words?phone_sn=####&version=####&app...
n####.huaina####.com/serverInfo/info_server?phone_sn=####&version=####&a...
si####.ixi####.com/elite_cate/list?cate_id=####&start=####&phone_sn=####...
si####.ixi####.com/front_page_v2/list?start=####&module_id=####&cookie=#...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
si####.ixi####.com/message_box/get?phone_sn=####&version=####&app_channe...

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0907deeb4fd969919aa7871077460fef.0.tmp
/data/data/####/0907deeb4fd969919aa7871077460fef.1.tmp
/data/data/####/1004
/data/data/####/1541389600837_2284
/data/data/####/1541389601000_2284
/data/data/####/1541389601166_2284
/data/data/####/37bc71d628d5a466e85803710131eb18.0.tmp
/data/data/####/37bc71d628d5a466e85803710131eb18.1.tmp
/data/data/####/87b91f54beebe787dc84a7bba95a2b4e.0.tmp
/data/data/####/87b91f54beebe787dc84a7bba95a2b4e.1.tmp
/data/data/####/ADHOC_SHARED_PREFERENCE.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/QALConfigStore.dat
/data/data/####/TDCloudSettingsConfig2BC2A7FE9AA101CCDC4A0D6AC868C17B.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/####/TLS_DEVICE_INFO.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/bd1136aef4fbb48f620a2ffbd8671e54.0.tmp
/data/data/####/bd1136aef4fbb48f620a2ffbd8671e54.1.tmp
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.mei.melkor;pushservice.growing.db
/data/data/####/com.mei.melkor;pushservice.growing.db-journal
/data/data/####/com.youzan.mobile.AnalyticsPrefs.xml
/data/data/####/configLoad_new
/data/data/####/crashrecord.xml
/data/data/####/d9720fe9115ffff9a38a692b3e263f55.0.tmp
/data/data/####/d9720fe9115ffff9a38a692b3e263f55.1
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/e13c03a65756f79029015d644e5381da.0.tmp
/data/data/####/e13c03a65756f79029015d644e5381da.1
/data/data/####/e13c03a65756f79029015d644e5381da.1.tmp
/data/data/####/events
/data/data/####/events-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f917919b2c5939a25c5a6a4bc2e4d41b.0.tmp
/data/data/####/f917919b2c5939a25c5a6a4bc2e4d41b.1.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/gx_sp.xml
/data/data/####/increment_cache_file
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu-866669378.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/persistent_data.xml
/data/data/####/pili_qos_index.json
/data/data/####/pili_qos_log.0
/data/data/####/preferences.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qalimid_v2
/data/data/####/qos.xml
/data/data/####/report_v5.msgstore-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/security_info (deleted)
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.jar
/data/data/####/tdid.xml
/data/data/####/tls_device.dat
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/wlogin_device.dat
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/ADHOC_CLIENT_APP
/data/media/####/ADHOC_CLIENT_ID
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.18.11.05.03.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.mei.melkor.bin
/data/media/####/com.mei.melkor.db
/data/media/####/f64a9b134033a366a153f8af8fed5150.0
/data/media/####/journal.tmp
/data/media/####/preferences
/data/media/####/sdk.18.11.05.03.log
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.GetuiPushService 24376 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-866669378.so
getprop
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.GetuiPushService 24376 300 0

Loads the following dynamic libraries:

Bugly
_imcore_group_ext_gyp
_imcore_jni_gyp
_imcore_msg_ext_gyp
_imcore_sns_ext_gyp
getuiext2
gnustl_shared
libjiagu-866669378
libwtcrypto
qalcodecwrapper
qalmsfboot

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, IMEI, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

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