Adware.Gexin.5421

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) api.wepon####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) oss.wepon####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
api.map.b####.com
api.wepon####.com
av1.x####.com
c####.g####.ig####.com
c####.g####.ig####.com
c####.g####.ig####.com
c####.x####.com
c####.x####.com
c-h####.g####.com
i.t####.com
l####.tbs.qq.com
loc.map.b####.com
log.u####.com
o####.map.b####.com
oss.wepon####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

et2-na6####.wagbr####.ali####.####.com/bar/get/590065968630f5664400154d/...
i.t####.com/a/35a21325a3d3face0360aa5ef9341a9b1
oss.wepon####.com/file_img/1543227515_39825.png
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_vxj811

HTTP POST requests:

api.wepon####.com/Control/auth_control
api.wepon####.com/OpenScreen/ad_count
api.wepon####.com/OpenScreen/splash_ad
api.wepon####.com/home/menu_list
api.wepon####.com/member/switch_control
api.wepon####.com/message/message_unread
api.wepon####.com/system/upgrade_detection
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1543445142917_2290
/data/data/####/1543445143953_2290
/data/data/####/1543445144195.log
/data/data/####/1543445144836_2290
/data/data/####/1543445145316_2290
/data/data/####/1543445145682_2290
/data/data/####/1543445146116_2290
/data/data/####/1543445151576_2495
/data/data/####/1543445154606_2495
/data/data/####/1543445159666_2617
/data/data/####/1543445163838_2617
/data/data/####/1543445167048_2719
/data/data/####/1543445168615_2719
/data/data/####/1543445171500_2841
/data/data/####/1543445173998_2841
/data/data/####/1543445175931_2841
/data/data/####/1543445179104_2972
/data/data/####/1543445181714_2972
/data/data/####/1543445182081_2972
/data/data/####/1543445183986_2972
/data/data/####/1543445184352_2972
/data/data/####/1543445184590_2972
/data/data/####/1543445188215_3121
/data/data/####/1543445191072_3121
/data/data/####/1543445191382_3121
/data/data/####/1543445191918_3121
/data/data/####/1543445192830_3121
/data/data/####/1543445197115_3256
/data/data/####/1543445199115_3256
/data/data/####/1543445199770_3256
/data/data/####/1543445203951_3382
/data/data/####/1543445206492_3382
/data/data/####/1a3377ad8b025a59cd9bc445c2ddf7385d9f9f6a2b99aa8....0.tmp
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/CustomIndex
/data/data/####/DVDirectory.cfg
/data/data/####/DVHotMap.cfg
/data/data/####/DVHotcity.cfg
/data/data/####/DVIndoor.cfg
/data/data/####/DVSDirectory.cfg
/data/data/####/DVVersion.cfg
/data/data/####/MultiDex.lock
/data/data/####/Pythagoras_phase.xml
/data/data/####/ResPackIndoorMap.rs
/data/data/####/TDCloudSettingsConfig53A373A958B9414AA8C8B0EDA04DC323.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/TalingDataConfig53A373A958B9414AA8C8B0EDA04DC323.xml
/data/data/####/authStatus_com.letuhui.weponycar.xml
/data/data/####/authStatus_com.letuhui.weponycar;remote.xml
/data/data/####/baidumap_custom_config.json
/data/data/####/baseindoormap.sty
/data/data/####/bus.sty
/data/data/####/car.sty
/data/data/####/com.letuhui.weponycar_preferences.xml
/data/data/####/core_info
/data/data/####/cycle.sty
/data/data/####/data.db-journal
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/global_preferences.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-2085244995.so
/data/data/####/mPBE.xml
/data/data/####/map.rs
/data/data/####/map.sty
/data/data/####/map_pref.xml
/data/data/####/multidex.version.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/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/reduct.rs
/data/data/####/reduct.sty
/data/data/####/run.pid
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/tdid.xml
/data/data/####/traffic.rs
/data/data/####/traffic.sty
/data/data/####/udesk_sdk.xml
/data/data/####/umeng_socialize.xml
/data/data/####/ver.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/2018_11_29_03_45_45.cr.txt
/data/media/####/2018_11_29_03_45_55.cr.txt
/data/media/####/2018_11_29_03_46_04.cr.txt
/data/media/####/2018_11_29_03_46_09.cr.txt
/data/media/####/2018_11_29_03_46_16.cr.txt
/data/media/####/2018_11_29_03_46_24.cr.txt
/data/media/####/2018_11_29_03_46_32.cr.txt
/data/media/####/2018_11_29_03_46_39.cr.txt
/data/media/####/38573C04120CCE83DE3619F20D678AF8
/data/media/####/829BFBEE6624C3FD929B355A35513919
/data/media/####/DTTempdat.dat
/data/media/####/DTTempdat.idx
/data/media/####/DTTempdat.idx (deleted)
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.letuhui.weponycar.bin
/data/media/####/com.letuhui.weponycar.db
/data/media/####/conlts.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tbslog.txt
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/data/media/####/test.0
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetuiPushService 25163 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.product.cpu.abi
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetuiPushService 25163 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_5_2
BaiduMapSDK_map_v4_5_2
getuiext2
libjiagu-2085244995
locSDK7b
sqlcipher

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS5Padding

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.

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