Adware.Gexin.9456

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) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) o####.map.b####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) api.msx.b####.com:443
TCP(TLS/1.0) 1####.217.17.78:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224
TCP c.i####.sd####.com:19809

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
api.msx.b####.com
c####.g####.ig####.com
c-h####.g####.com
c.i####.sd####.com
loc.map.b####.com
o####.map.b####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/tdata_JNg986
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iRz660
t####.c####.q####.####.com/tdata_zzW503

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.DS_Store
/data/data/####/._.DS_Store
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/999_1551526026419.db
/data/data/####/999_1551526026419.db-journal
/data/data/####/999_1551526026419.zip
/data/data/####/SoundLog_20190302112705.txt
/data/data/####/SoundSdk.xml
/data/data/####/SoundSdkLog.xml
/data/data/####/SoundSdkSocket.xml
/data/data/####/authStatus_cn.com.thit.wxmetro.xml
/data/data/####/authStatus_cn.com.thit.wxmetro;remote.xml
/data/data/####/baweitong.db-journal
/data/data/####/be8d7eff0860
/data/data/####/bugly_db_-journal
/data/data/####/bwton.xml
/data/data/####/bwton_user_info.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.com.thit.wxmetro.BETA_VALUES.xml
/data/data/####/crashrecord.xml
/data/data/####/disk_entries_list_image_cache_1004840396.xml
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/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/####/jg_so_upgrade_setting.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/metroStations.db
/data/data/####/metroStations.db-journal
/data/data/####/metroStations.db-journal (deleted)
/data/data/####/mobclick_agent_cached_cn.com.thit.wxmetro35
/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/####/oifi_info_cache-journal
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/r
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_JNg986
/data/data/####/tdata_JNg986.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iRz660
/data/data/####/tdata_iRz660.jar
/data/data/####/tdata_zzW503
/data/data/####/tdata_zzW503.jar
/data/data/####/umeng_general_config.xml
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/bwtonid
/data/media/####/cn.com.thit.wxmetro.bin
/data/media/####/cn.com.thit.wxmetro.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_JNg986
/data/media/####/tdata_MkX219
/data/media/####/tdata_iRz660
/data/media/####/tdata_zzW503
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiReceive 24897 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
mount

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
Bugly
SoundBus
bwton
getuiext2
imagepipeline
libjiagu
locSDK7a

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-None-PKCS1Padding

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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