Adware.Gexin.22622

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) www.my####.com.cn:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(TLS/1.0) 1####.251.36.42:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.2) 1####.250.179.202:443
TCP(TLS/1.2) and####.google####.com:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP(TLS/1.2) 1####.217.168.195:443
TCP sdk.o####.t####.####.net:5224
TCP cm-10####.g####.com:5226

DNS requests:

a####.exc.mob.com
and####.google####.com
api.map.b####.com
api.s####.mob.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-10####.g####.com
loc.map.b####.com
m.d####.mob.com
o####.map.b####.com
safebro####.google####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.my####.com.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RBO669
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_uxr091
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
m.d####.mob.com/conf5
m.d####.mob.com/conn
m.d####.mob.com/errconf
m.d####.mob.com/snsconf
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
www.my####.com.cn/myt_activity/appAction_appActivate.do

File system changes:

Creates the following files:

/data/data/####/.appInfo
/data/data/####/.dic_lock
/data/data/####/.duid
/data/data/####/.globalLock
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrecord (deleted)
/data/data/####/.mrlock
/data/data/####/.pkg_lock
/data/data/####/.rc_lock
/data/data/####/.statistics
/data/data/####/0cca8154d17f
/data/data/####/69580e45-e996-4609-a7fe-4d703e0bd6e7.jobs
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/authStatus_com.mytian.song;remote.xml
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/db_default_job_manager-journal
/data/data/####/disk_entries_list_image_cache_133808605.xml
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/mac.xml
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/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/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/settings.xml
/data/data/####/share_sdk_1.xml
/data/data/####/share_sdk_1.xml.bak
/data/data/####/tdata_RBO669
/data/data/####/tdata_RBO669.dex
/data/data/####/tdata_RBO669.dex.flock (deleted)
/data/data/####/tdata_RBO669.jar
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.dex
/data/data/####/tdata_cpZ817.dex.flock (deleted)
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_uxr091
/data/data/####/tdata_uxr091.dex
/data/data/####/tdata_uxr091.dex.flock (deleted)
/data/data/####/tdata_uxr091.jar
/data/media/####/.cuid2
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.pkg_lock
/data/media/####/.rc_lock
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.mytian.song.bin
/data/media/####/com.mytian.song.db
/data/media/####/conlts.dat
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_RBO669
/data/media/####/tdata_cpZ817
/data/media/####/tdata_uxr091
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

cat /sys/class/net/wlan0/address
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
mount

Loads the following dynamic libraries:

libgdx
libgetuiext2
libjiagu
liblocSDK7

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about phone status (number, IMEI, etc.).

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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