Android.Gexin.1023

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) lfmhap####.my####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) reso####.msg.xi####.net:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) 7d####.v1.com.####.com:80
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) 1####.250.179.138:443
TCP(TLS/1.0) p####.s####.l####.net:443
TCP(TLS/1.0) app-ro####.leanc####.cn:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) 1####.217.17.138:443
TCP(TLS/1.2) 1####.250.179.138:443
TCP(TLS/1.2) 1####.250.179.163:443
TCP(TLS/1.2) 1####.250.179.206:443
TCP(TLS/1.2) www.google####.com:443
TCP app.c####.xi####.net:5222

DNS requests:

a####.exc.mob.com
a####.man.aliy####.com
ad####.m.ta####.com
and####.google####.com
android####.go####.com
api.s####.mob.com
app-ro####.leanc####.cn
app.c####.xi####.net
instant####.google####.com
jafw####.s####.l####.net
l####.tbs.qq.com
lfm####.my####.com
lfmhap####.my####.com
m.d####.mob.com
md####.google####.com
regi####.xm####.xi####.com
reso####.msg.xi####.net
www.google####.com
y####.al####.com

HTTP GET requests:

7d####.v1.com.####.com/patch_lfmh125/patch.json
a####.exc.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####...
api.s####.mob.com/date
lfmhap####.my####.com/mlfplatform//config/query_splash_ad_android
lfmhap####.my####.com/mlfplatform/config/query_config_update_info/imgPro...
lfmhap####.my####.com/mlfplatform/config/query_config_update_info/isShow...
lfmhap####.my####.com/mlfplatform/config/query_config_update_info/shopUrl
reso####.msg.xi####.net/gslb/?ver=####&type=####&conpt=####&uuid=####&li...

HTTP POST requests:

a####.exc.mob.com/errconf
api.s####.mob.com/conn
api.s####.mob.com/log4
hk.wagbr####.non####.####.com/saveWb.json
l####.tbs.qq.com/ajax?c=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrecord (deleted)
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/21c22f492aba3de8.lock
/data/data/####/41d85cefcf209650f3cd3fb114a00de1
/data/data/####/5a0a2af9b730c2126f5fcf7b117d7de6
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/AVOSCloud-SDK.xml
/data/data/####/AV_CLOUD_API_VERSION_KEY_ZONE.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Q0VSVC5SU0EK.txte7d
/data/data/####/SGMANAGER_DATA2
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/ThrowalbeLog.db
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UTCommon.xml
/data/data/####/XMPushServiceConfig.xml
/data/data/####/ap.Lock
/data/data/####/avoscloud-analysis
/data/data/####/b0e837c0282a879c5d851dbb914823cf
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/classes4.dex
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml.bak
/data/data/####/com.avos.avoscloud.analysis.xml
/data/data/####/com.avos.avoscloud.approuter.jafw2pm3eb0e0kt79k...eu.xml
/data/data/####/com.mylafe.ttmh;pushservice
/data/data/####/core_info
/data/data/####/d96a585818d978bb4e402716b2a202a0
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/installation
/data/data/####/libjiagu.so
/data/data/####/libsgmain_312757200000.dex
/data/data/####/libsgmain_312757200000.dex.flock (deleted)
/data/data/####/libsgmainso-5.1.96.so.tmp
/data/data/####/lock.lock
/data/data/####/mipush.xml
/data/data/####/mipush_account.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_extra.xml.bak
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/pref_registered_pkg_names.xml
/data/data/####/proc_auxv
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/sp.lock
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/ttmh_new.db
/data/data/####/ttmh_new.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.pkg_lock
/data/media/####/.rc_lock
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/dd7893586a493dc3
/data/media/####/lcfp
/data/media/####/lcfp.lock
/data/media/####/tbslog.txt
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes2.dex --dex-file=<Package Folder>/.jiagu/classes3.dex --dex-file=<Package Folder>/.jiagu/classes4.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
/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>/app_SGLib/libsgmain_312757200000.zip --oat-fd=56 --oat-location=/data/user/0/<Package>/app_SGLib/libsgmain_312757200000.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop ro.product.cpu.abi

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
RSA-ECB-NoPadding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about accounts associated with the device (Google, Facebook, etc.).

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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