Adware.Gexin.5304

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) md.ope####.360.cn:80
TCP(HTTP/1.1) p.s.3####.cn:80
TCP(HTTP/1.1) 1####.125.52.243:80
TCP(HTTP/1.1) c####.v.tvfa####.com:80
TCP(HTTP/1.1) s.36####.com:80
TCP(HTTP/1.1) www.a.sh####.com:80
TCP(HTTP/1.1) and####.api.36####.com:80
TCP(TLS/1.0) ssp.v####.com.####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) bj####.ads.oppomo####.com:443
TCP(TLS/1.0) is.sn####.com:443
TCP 1####.163.235.103:443

DNS requests:

and####.api.36####.com
api####.me####.com
bj####.ads.oppomo####.com
c####.v.tvfa####.com
d####.360####.com
is.sn####.com
md.ope####.360.cn
p.s.3####.cn
plb####.u####.com
s####.s.360.cn
s.36####.com
sdkc####.e.360.cn
ssp.v####.com.cn
u####.u####.com
www.b####.com
x####.v.360.cn

HTTP GET requests:

and####.api.36####.com/cloud/?method=####&source=####&ss=####&token=####...
and####.api.36####.com/cloud?ss=####&method=####&ver=####&ch=####&token=...
and####.api.36####.com/dot/?method=####&type=####&ss=####&token=####&ver...
and####.api.36####.com/plugin/?method=####&source=####&cpuType=####&ss=#...
and####.api.36####.com/tj/?method=####&m=####&ss=####&token=####&ver=###...
and####.api.36####.com/welcome/?method=####&ss=####&token=####&ver=####&...
c####.v.tvfa####.com/all
s.36####.com/android_token_collect.gif?u=####&tn=####&ss=####&token=####...
www.a.sh####.com/

HTTP POST requests:

md.ope####.360.cn/list/get?product=####&version=####
p.s.3####.cn/update/update.php?p=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/AKTorchDownload.db-journal
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/GlobalFlag.xml
/data/data/####/QH_DeviceSDK.xml
/data/data/####/QH_SDK_M2.xml
/data/data/####/QH_SDK_UserData26657d5ff9020d2abefe558796b99584...leted)
/data/data/####/QH_SDK_UserData26657d5ff9020d2abefe558796b99584.xml
/data/data/####/VivoOpenAdSDK.xml
/data/data/####/VivoOpenAdSDK.xml.bak
/data/data/####/Y29tLnFpaG9vLnZpZGVv.tick.lock
/data/data/####/acs_st.db
/data/data/####/acs_st.db-journal
/data/data/####/acs_st_config.ini
/data/data/####/ad_map_ad_configs.xml
/data/data/####/ad_map_config_priority.xml
/data/data/####/ad_map_gdt.xml
/data/data/####/ad_map_oppo.xml
/data/data/####/ad_map_torch.xml
/data/data/####/ad_map_toutiao.xml
/data/data/####/ad_map_vivo.xml
/data/data/####/cloud_switch_cache
/data/data/####/com.oppo.acs.st.prefs.xml
/data/data/####/com.qihoo.video_dna.xml
/data/data/####/com.qihoo.video_preferences.xml
/data/data/####/com.qihoo.video_prefs.xml
/data/data/####/core_update
/data/data/####/core_update_locker
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjM0ODg0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjM3MDMy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjQxMDA2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjQzMDU3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjU2MTY1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjU4MzE4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjUyMTIy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjcwMDAz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjcyNzQw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjg0NTgw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjg3MTQx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjg5NzIw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNjk4NjM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQzMTczNzA1NDYx;
/data/data/####/device_collector
/data/data/####/device_collector_locker
/data/data/####/downloader.db
/data/data/####/downloader.db-journal
/data/data/####/du.lock
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f489f16ba824b8889b64c9d567d33691
/data/data/####/finalcore.dex
/data/data/####/finalcore.jar
/data/data/####/global.jar
/data/data/####/i==1.2.0&&4.5.9_1543173634957_envelope.log
/data/data/####/info.xml
/data/data/####/key_dnscache.xml
/data/data/####/libjiagu1806440176.so
/data/data/####/locker
/data/data/####/log_reupload_task
/data/data/####/log_reupload_task_locker
/data/data/####/p.l
/data/data/####/profile_task
/data/data/####/profile_task_locker
/data/data/####/settings.xml
/data/data/####/single_process_offlineSplash_ag5FPw5b8GUD
/data/data/####/single_process_offlineSplash_ag5FPw5b8GUD_locker
/data/data/####/splash_conf_5FPw5b8GUD
/data/data/####/torch_sdk_config.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/uninstall_apk
/data/data/####/uninstall_apk_locker
/data/data/####/video.db
/data/data/####/video.db-journal
/data/data/####/vivo_lib_version.xml
/data/data/####/vivoopenadsdk.db
/data/data/####/vivoopenadsdk.db-journal
/data/data/####/waitingDown
/data/data/####/waitingDown_locker
/data/media/####/._android.dat
/data/media/####/._system.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.deviceId
/data/media/####/.duid
/data/media/####/.iddata
/data/media/####/.sfp
/data/media/####/.testf
/data/media/####/.testf (deleted)
/data/media/####/.umm.dat
/data/media/####/26657d5ff9020d2abefe558796b99584
/data/media/####/26657d5ff9020d2abefe558796b99584 (deleted)
/data/media/####/360Video.log
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/FIA
/data/media/####/FIA (deleted)
/data/media/####/JA2
/data/media/####/JA2 (deleted)
/data/media/####/LqK
/data/media/####/LqK (deleted)
/data/media/####/OFC
/data/media/####/OFC (deleted)
/data/media/####/TFt
/data/media/####/TFt (deleted)
/data/media/####/X86
/data/media/####/X86 (deleted)
/data/media/####/YO4
/data/media/####/YO4 (deleted)
/data/media/####/_android.dat
/data/media/####/_system.dat
/data/media/####/b6b79d93cb5f675eb56e09fdb8ff2017
/data/media/####/bYD
/data/media/####/bYD (deleted)
/data/media/####/dIT
/data/media/####/dIT (deleted)
/data/media/####/data.lock
/data/media/####/duid
/data/media/####/gen
/data/media/####/gen (deleted)
/data/media/####/jSp
/data/media/####/jSp (deleted)
/data/media/####/mcs_msg.ini
/data/media/####/mki
/data/media/####/mki (deleted)
/data/media/####/oGB
/data/media/####/oGB (deleted)
/data/media/####/ore
/data/media/####/ore (deleted)
/data/media/####/report.lock
/data/media/####/tDp
/data/media/####/tDp (deleted)
/data/media/####/uPB
/data/media/####/uPB (deleted)
/data/media/####/uninstall_apk_list
/data/media/####/wDt
/data/media/####/wDt (deleted)
/data/media/####/ycG
/data/media/####/ycG (deleted)

Miscellaneous:

Executes the following 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
chmod 755 <Package Folder>/.jiagu/libjiagu1806440176.so
date
df
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
id
ip link
logcat -v time
ls /dev/socket
ls /sys/class/thermal
ls /system/fonts
mkdir -p <SD-Card> .. .. .. .. .. .. sdcard Android Data System/local/
mkdir -p <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/
ps
service call iphonesubinfo 1
sh -c cat /proc/meminfo
sh -c cat /sys/class/net/eth0/address
sh -c cd /proc/;cat cpuinfo
sh -c cd /proc/net/ && cat arp
sh -c cd /proc/self/;cat status
sh -c echo MEVBMkNDRDFCMkE1MUI0MTk2RjQyNDgwRkZBRTY2MDA4MzgxM0I6RDIyNzM2OkM1REM2RA== > <SD-Card>/../../../../../..<SD-Card>/._android.dat
sh -c echo MEVBMkNDRDFCMkE1MUI0MTk2RjQyNDgwRkZBRTY2MDA4MzgxM0I6RDIyNzM2OkM1REM2RA== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_android.dat
sh -c echo MjU5NkE2NjI4NkZDREZFNzFCRTE1ODVFNkI3QjA5QTMxMmQxODMxZmVhNmQ0ZjBhOWVmYjhkYjA1YTEzYzg0awo= > <SD-Card>/../../../../../..<SD-Card>/.duid
sh -c echo MjU5NkE2NjI4NkZDREZFNzFCRTE1ODVFNkI3QjA5QTMxMmQxODMxZmVhNmQ0ZjBhOWVmYjhkYjA1YTEzYzg0awo= > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/duid
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/._system.dat
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_system.dat

Loads the following dynamic libraries:

du
libjiagu1806440176
libvxproto

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

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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