Adware.Gexin.1922

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) c-h####.g####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) sni.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.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(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) sni.c####.q####.####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) api.cyb.kuaiqia####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
a####.man.aliy####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.cyb.kuaiqia####.com
api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
h5.cyb.kuaiqia####.com
hotfix####.aliy####.com
i####.kuaiqia####.com
o####.map.b####.com
plb####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
u####.u####.com
www.go####.com

HTTP GET requests:

sni.c####.q####.####.com/tdata_BAI450
sni.c####.q####.####.com/tdata_YJA893
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async?aid=####
aexcep####.b####.qq.com:8012/rqd/async?aid=####
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/Application.db
/data/data/####/Application.db-journal
/data/data/####/ContextData.xml
/data/data/####/QALConfigStore.dat
/data/data/####/SPLASH_IMG.xml
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/a==7.5.3&&3.4.0_1535558300661_envelope.log
/data/data/####/app_data.xml
/data/data/####/authStatus_com.kqc.b2b;remote.xml
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_2 (deleted)
/data/data/####/data_3
/data/data/####/data_3 (deleted)
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.4.0_1535558298832_envelope.log
/data/data/####/i==1.2.0&&3.4.0_1535558315115_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/kqc.db-journal
/data/data/####/libcuid.so
/data/data/####/libjiagu-1586126836.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/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/####/report_v5.msgstore-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp_sophix.xml
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_YJA893
/data/data/####/tdata_YJA893.jar
/data/data/####/tls_device.dat
/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/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/wlogin_device.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.18.08.29.15.log
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.kqc.b2b.db
/data/media/####/imsdk_20180829.log
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/sdk.18.08.29.15.log
/data/media/####/sysid.dat
/data/media/####/tdata_BAI450
/data/media/####/tdata_YJA893
/data/media/####/test.0
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes next 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 type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 23976 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1586126836.so
getprop
logcat -d -v threadtime
ls /sys/class/thermal

Loads the following dynamic libraries:

Bugly
_imcore_jni_gyp
_imcore_msg_ext_gyp
_imcore_sns_ext_gyp
getuiext2
gnustl_shared
libjiagu-1586126836
libwtcrypto
locSDK7
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-PKCS5Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

技术

术语

教育培训

误区

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