Adware.Gexin.8588

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) c.d####.mob.com:80
TCP(HTTP/1.1) g.x.cn.####.com:80
TCP(HTTP/1.1) 47.1####.44.93:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) a.e####.cn:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) rtb.m####.net:80
TCP(HTTP/1.1) pic.e####.cn:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) 1####.31.213.162:80
TCP(HTTP/1.1) res####.a####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) api.map.b####.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) api.e####.cn:443
TCP openj####.m.ta####.com:80
TCP ope####.m.ta####.com:443

DNS requests:

a####.exc.mob.com
a####.man.aliy####.com
a.e####.cn
ag####.m.ta####.com
amdc####.m.ta####.com
api####.a####.com
api.e####.cn
api.map.b####.com
api.s####.mob.com
c.d####.mob.com
d####.d####.mob.com
g.x.cn.####.com
m.d####.mob.com
pic.e####.cn
plb####.u####.com
rtb.m####.net
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

a.e####.cn/public/getClickUrlPoList.shtml?os=####&model=####&ts=####&ven...
a.e####.cn/public/rab.shtml?id=####&network=####&machine=####
a.e####.cn/public/showUrlVisit.shtml?os=####&osversion=####&appversion=#...
api.map.b####.com/location/ip?ak=####&qq-pf-to=####&machine=####&version...
g.x.cn.####.com/x.gif?bb=####&gg=####&be=####&bf=####&os=####&m2=####&ci...
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
pic.e####.cn/web/232833660.jpg!s2
pic.e####.cn/web/247034964.jpg!s2
pic.e####.cn/web/256394797.jpg!m7
pic.e####.cn/web/258665045.jpg!s2
pic.e####.cn/web/260086309.jpg!m7
pic.e####.cn/web/260236438.jpg!s2
pic.e####.cn/web/261887396.jpg!s2
pic.e####.cn/web/262038057.jpg
pic.e####.cn/web/262038089.jpg
pic.e####.cn/web/262038133.jpg
pic.e####.cn/web/262038159.jpg
pic.e####.cn/web/262077091.jpg!s2
pic.e####.cn/web/262233050.jpg!m7
pic.e####.cn/web/262233092.jpg!m7
pic.e####.cn/web/262265374.jpg!m7
pic.e####.cn/web/262498312.jpg!m7
pic.e####.cn/web/262584007.jpg!m7
pic.e####.cn/web/262586556.jpg!m7
rtb.m####.net/vw?info=CN####&wp=####

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
c.d####.mob.com/v3/cdata
d####.d####.mob.com/dgen
d####.d####.mob.com/dinfo
d####.d####.mob.com/dsign
res####.a####.com/v3/log/init
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/0fca96d2b6def0e828cd369986ee39928326ef547e38331....0.tmp
/data/data/####/10d35a0ef23c7717fe09bbd8e54e681c1e808802ab8cba2....0.tmp
/data/data/####/230a460b0ee82315e8f16c7b5a6338909903a288aa44ebb....0.tmp
/data/data/####/2adeb87ff402348b2d8b2b10d4153ac7.xml
/data/data/####/2dcd22972ff04b6e3691a091d66f01b9076d28a455912fa....0.tmp
/data/data/####/3c8a22a2313e8586abef580feddd68ff9ddfca2a8624218....0.tmp
/data/data/####/5024412aedd329f39219d6ce80d4acd14fad7d5877e57ea....0.tmp
/data/data/####/556cfdba13849a090615c0fcfdd4e674fcd830a47b780d7....0.tmp
/data/data/####/5d012028614db2a8fa5b5058c2e14241e50ec9465f7dfe9....0.tmp
/data/data/####/69223eabaf41491ddc85b202d7b3eca89030dfeda9f2e64....0.tmp
/data/data/####/70cd78819302777dd69c9da914c1545d50718a2c5b2459d....0.tmp
/data/data/####/710464c6cbd02547afadce5734b4e2d10fdeff856eb26b4....0.tmp
/data/data/####/80a0abf329ff7b5e32e88845286aa04fdf94380db05e99d....0.tmp
/data/data/####/ACCS_BINDumeng;4f84d47f527015462b00002a.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DaemonServer
/data/data/####/MessageStore.db
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db
/data/data/####/MsgLogStore.db-journal
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/a7af5ad74477eb8f1b7ffe995dc2f27b99a6e8e5e6bf30f....0.tmp
/data/data/####/a==7.3.2&&15.4.1_1550044406648_envelope.log
/data/data/####/accs.db
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/cn.ecook.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUwMDQ0NDA1MDky;
/data/data/####/dW1weF9wdXNoX2xhdW5jaF8xNTUwMDQ0NDE2ODI2;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dea563a4df451f52066aa6646eb1cce1350a1a49c615418....0.tmp
/data/data/####/eudemon
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f84b1381381cbde3f18ba844701598742735f3e8531a5f7....0.tmp
/data/data/####/fc40bdf90e781f2f97dd1a0b36617114b273f5306089fca....0.tmp
/data/data/####/fd36084948f524eb85c32db6821f6481e77d8dbc290286d....0.tmp
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&15.4.1_1550044405112_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/journal.tmp
/data/data/####/last_know_location.xml
/data/data/####/libjiagu-1002325160.so
/data/data/####/log.android.library.xml
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db
/data/data/####/sharesdk.db-journal
/data/data/####/top_time_0
/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_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/webview.db
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.al
/data/media/####/.artc_lock
/data/media/####/.cca.dat
/data/media/####/.dh
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.nomedia
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.umm.dat
/data/media/####/0425b2955ec14ed3acba2b57da7f7b1f
/data/media/####/7178390c300849a6be1689cba44a8e7a
/data/media/####/92c723213f8349d1b4b63d16811373d3
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/d14dc508250642828e0600aafe5e6dfd
/data/media/####/deviceToken
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/sysid.dat

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
<Package Folder>/files/DaemonServer -s <Package Folder>/lib/ -n runServer -p startservice -n <Package>/com.taobao.accs.ChannelService --user 0 -f <Package Folder> -t 600 -c agoo.pid -P <Package Folder> -K 1009527 -U tb_accs_eudemon_1.1.3 -L http://agoodm.m.taobao.com/agoo/report -D {"package":"<Package>","appKey":"umeng:4f84d47f527015462b00002a","utdid":"XGPM1JtHnbQDAGdzx1E4eFVZ","sdkVersion":"221"} -I agoodm.m.taobao.com -O 80 -T -Z
app_process /system/bin com.android.commands.pm.Pm list packages
cat /sys/class/net/wlan0/address
chmod 500 <Package Folder>/files/DaemonServer
grep -E -v root|shell|system
ls /sys/class/thermal
pm list packages
sh
top -d 0 -n 1

Loads the following dynamic libraries:

libjiagu-1002325160
pldroidplayer
tnet-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding

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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