Adware.Gexin.20386

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) l####.tbs.qq.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) dcs.co####.com:80
TCP(HTTP/1.1) b####.co####.com:80
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) dig.b####.net:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) bp####.co####.com:443
TCP(TLS/1.0) aa.top####.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) aa.birdg####.com:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) dd.top####.com:443
TCP(TLS/1.0) pang####.sn####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.2) 1####.217.168.206:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP(TLS/1.2) and####.google####.com:443
TCP(TLS/1.2) 2####.58.214.3:443

DNS requests:

aa.birdg####.com
aa.top####.com
and####.b####.qq.com
and####.google####.com
android####.go####.com
api.map.b####.com
b####.co####.com
bp####.co####.com
dcs.co####.com
dd.top####.com
dig.b####.net
fp.fraudme####.cn
instant####.google####.com
l####.tbs.qq.com
loc.map.b####.com
md####.google####.com
o####.map.b####.com
p####.google####.com
pang####.sn####.com
sf3-ttc####.ps####.com
to####.ctobsn####.com

HTTP GET requests:

dcs.co####.com/data/config/Android.conf
dcs.co####.com/ip

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
b####.co####.com/ap-gateway/ap/getConfig
dcs.co####.com/data/v1?project=####
l####.tbs.qq.com/ajax?c=####&k=####

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.jg.ic
/data/data/####/.jg.store.report_cf
/data/data/####/.td-3
/data/data/####/1004
/data/data/####/A3AEECD8.dex
/data/data/####/A3AEECD8.dex.flock (deleted)
/data/data/####/anythink.db-journal
/data/data/####/anythink_agent_log
/data/data/####/anythink_placement_strategy_update_check.xml
/data/data/####/anythink_sdk.xml
/data/data/####/anythink_sdk.xml.bak
/data/data/####/authStatus_com.yaotian.ddnc;remote.xml
/data/data/####/bd_embed_tea_agent.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/com.sensorsdata.analytics.android.sdk.SensorsDataAPI.xml
/data/data/####/com.yaotian.ddnc_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/download_upload
/data/data/####/downloader.db-journal
/data/data/####/embed_applog_stats.xml
/data/data/####/embed_header_custom.xml
/data/data/####/firll.dat
/data/data/####/fm_shared.xml
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/libcuid_v3.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/native_record_lock
/data/data/####/npth.xml
/data/data/####/npth_log.db-journal
/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/####/security_info
/data/data/####/sensorsdata-journal
/data/data/####/sensorsdata.xml
/data/data/####/snssdk_openudid.xml
/data/data/####/sp_push_time.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tramini.xml
/data/data/####/tt_dns_settings.xml
/data/data/####/tt_sdk_settings.xml
/data/data/####/tt_sdk_settings.xml.bak
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/update.xml
/data/media/####/.td-3
/data/media/####/.tdck
/data/media/####/4d29639a37e58723b0741a323c76858e.tmp
/data/media/####/clientudid.dat
/data/media/####/conlts.dat
/data/media/####/da48d872719fbc49bcfb42e7596c9f0c.tmp
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tbslog.txt
/data/media/####/temp_pkg_info.json
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/.00000000000/A3AEECD8.dex --oat-fd=41 --oat-location=/data/user/0/<Package>/.11111111111/A3AEECD8.dex --compiler-filter=speed
df
getprop
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.sv.version
getprop ro.lenovo.lvp.version
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.smartisan.version
getprop ro.vivo.os.version
grep /sbin/.magisk
grep com.android.commands.monkey
grep magisk
id
ls /sbin
mount
ps
sh -c df | grep /sbin/.magisk
sh -c mount | grep /sbin/.magisk
sh -c ls /sbin | grep magisk
sh -c ps | grep magisk
sh -c ps|grep com.android.commands.monkey

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5PADDING
AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

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.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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