Adware.Gexin.18764

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) m.d####.mob.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) f####.fengkon####.com:80
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 1####.217.17.106:443
TCP(TLS/1.0) s####.ml####.cc:443
TCP(TLS/1.0) 2####.58.211.106:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP(TLS/1.2) 1####.217.20.78:443
TCP(TLS/1.2) 1####.217.17.106:443
TCP zb-cent####.m.ta####.com:443

DNS requests:

a####.exc.mob.com
a####.man.aliy####.com
amdc####.m.ta####.com
and####.cli####.go####.com
and####.google####.com
api.s####.mob.com
f####.fengkon####.com
instant####.google####.com
m.d####.mob.com
plb####.u####.com
s####.ml####.cc
safebro####.google####.com
u####.u####.com
umengj####.m.ta####.com

HTTP GET requests:

m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...

HTTP POST requests:

a####.exc.mob.com/errconf
amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/log4
api.s####.mob.com/snsconf
f####.fengkon####.com/v3/cloudconf
f####.fengkon####.com/v3/profile/android
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/QALConfigStore.dat
/data/data/####/TLS_DEVICE_INFO.xml
/data/data/####/TLS_DEVICE_INFO.xml.bak
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WLOGIN_DEVICE_INFO.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a==7.5.4&&5.7.1_1575074541737_envelope.log
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/classes.oat
/data/data/####/com.rosevision.ofashion.xml
/data/data/####/com.rosevision.ofashion.xml.bak
/data/data/####/com.shumei.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1MDc0NTM4MjUz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1MDc0NTUxMTkw;
/data/data/####/disk_entries_list_image_cache_-201984600.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_cache.xml.bak
/data/data/####/i==1.2.0&&5.7.1_1575074538294_envelope.log
/data/data/####/i==1.2.0&&5.7.1_1575074551202_envelope.log
/data/data/####/imei
/data/data/####/info.xml
/data/data/####/libjiagu.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/persistent_data.xml
/data/data/####/persistent_data.xml.bak
/data/data/####/proc_auxv
/data/data/####/report_v5.msgstore-journal
/data/data/####/seq.xml
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/sp_sophix.xml
/data/data/####/sp_sophix.xml.bak (deleted)
/data/data/####/tls_device.dat
/data/data/####/tracker.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/umeng_message_state.xml.bak
/data/data/####/wlogin_device.dat
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.globalLock
/data/media/####/.mps
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/.thumbcache_idx0
/data/media/####/.umm.dat
/data/media/####/000.html
/data/media/####/5c49cc6d3a7c452da20bcee0851e7245
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.19.11.30.03.log
/data/media/####/f4e257135d9b4b5b8dfea5ecb2b5a504
/data/media/####/imsdk_20191130.log
/data/media/####/sdk.19.11.30.03.log
/data/media/####/shumei.txt
/data/media/####/sysid.dat
/data/misc/####/primary.prof

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
/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes3.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes4.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes5.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
ls /
ls /sys/class/thermal
ps
sh
which su

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
DES-ECB-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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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