Android.Gexin.1803

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
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) p21.p####.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) 64.2####.165.94:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) www.yy.c####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) m.yy.c####.cn:80
TCP(TLS/1.0) c####.c####.cn:443
TCP(TLS/1.0) c.c####.com:443
TCP(TLS/1.0) rr18---####.g####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) and####.a####.go####.com:443
TCP(TLS/1.0) c####.baidust####.com.####.com:443
TCP(TLS/1.0) pos.b####.com:443
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.0) 64.2####.165.94:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) p21.p####.cn:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.2) 64.2####.165.94:443
TCP(TLS/1.2) p####.google####.com:443
TCP(TLS/1.2) 64.2####.165.105:443
TCP sdk.o####.t####.####.com:5224
TCP cm-10####.g####.com:5226
UDP and####.google####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a.appj####.com
and####.a####.go####.com
and####.google####.com
c####.baidust####.com
c####.c####.cn
c-h####.g####.com
cdn-sdk####.g####.com
cm-10####.g####.com
gmscomp####.google####.com
img.p####.cn
m####.go####.com
m.yy.c####.cn
p####.google####.com
p21.p####.cn
p5.p####.cn
p9.p####.cn
pla####.google####.com
pos.b####.com
rr18---####.g####.com
rr2---s####.g####.com
rr9---s####.g####.com
s4.c####.com
s5.c####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.i####.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
www.yy.c####.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_EvJ733
cdn-sdk####.g####.com.####.cn/tdata_XwJ757
m.yy.c####.cn/
m.yy.c####.cn/common/getopensite
p21.p####.cn/admin/20220304/2022030409344144254292_132_132.png
p21.p####.cn/cnews/20181217/2018121714021413749093_100_100.png
p21.p####.cn/cnews/20181217/2018121714042384638578_100_100.png
p21.p####.cn/tp/wx_common/images/city-logo.png
p21.p####.cn/wap/webapp/fabu/ewm.png
p21.p####.cn/wap/webapp/fabu/house.png
p21.p####.cn/wap/webapp/fabu/job.png
p21.p####.cn/wap/webapp/fabu/post.png
p21.p####.cn/wap/webapp/fabu/smallvideo.png
p21.p####.cn/wap/webapp/fabu/takepic.png
p21.p####.cn/weixin/20190528/2019052818243513689934.jpg
p21.p####.cn/wx/app/fang-images/icon_4.png
p21.p####.cn/wx/app/fang-images/icon_69.png
p21.p####.cn/wx/app/fang-images/icon_72.png
p21.p####.cn/wx/app/fang-images/icon_78.png
p21.p####.cn/wx/app/yuan/icon_11.png
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_eoG063
www.yy.c####.cn/

HTTP POST requests:

a####.u####.com/app_logs
a.appj####.com/ad-service/ad/mark
c-h####.g####.com/api.php?format=####&t=####
m.yy.c####.cn/Handler/js/AppDownload.ashx
m.yy.c####.cn/Home/GetVisitHomeInfo
m.yy.c####.cn/common/getalicodeconfig
m.yy.c####.cn/home/GetAppConfigInfo
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/03ea8afabf43f7ad_0
/data/data/####/06685e60174f2e31_0
/data/data/####/0a32d552c2c48c24_0
/data/data/####/0de8e47c68e838b1_0
/data/data/####/0e3d68dcbe9b432e_0
/data/data/####/10282f5a0cb69c98_0
/data/data/####/1094a541571b331d_0
/data/data/####/13f866f49b803503_0
/data/data/####/150ba5eb5a15f33b_0
/data/data/####/16f3a2b9e596e43d_0
/data/data/####/2c280ce8f143c07b_0 (deleted)
/data/data/####/3004a425da47f766_0
/data/data/####/317b9bd4c41e9cc6_0
/data/data/####/329a8b55e5025b6b_0 (deleted)
/data/data/####/379748984a1d6731_0
/data/data/####/447a23a6e8a7ec43_0
/data/data/####/45edf0e396d554a2_0 (deleted)
/data/data/####/49c091c2a4de9455_0
/data/data/####/4cf019d45cdb4ae5_0
/data/data/####/4cf019d45cdb4ae5_1
/data/data/####/4d179d0882349e89_0
/data/data/####/4d179d0882349e89_1
/data/data/####/4d9a768f78cb5a80_0 (deleted)
/data/data/####/5084c6731de1cd01_0
/data/data/####/55678c3eb2cbee60_0
/data/data/####/582f3e217f1aaf1c_0
/data/data/####/59cdb9cbf2b6c87b_0
/data/data/####/5bc7afe25f3853c6_0
/data/data/####/5d463c755505ab8b_0
/data/data/####/5d463c755505ab8b_1
/data/data/####/5d481f32c612c138_0
/data/data/####/5d481f32c612c138_1
/data/data/####/5dca413bd25af11e_0
/data/data/####/5dca413bd25af11e_1
/data/data/####/6348c1a54734582b_0
/data/data/####/64470e327d9f84e5_0
/data/data/####/64470e327d9f84e5_1
/data/data/####/7949ea6c553b267d_0
/data/data/####/7b2541d6581eb7d1_0
/data/data/####/84b485368e13a79d_0
/data/data/####/869618105c836cdb_0
/data/data/####/8bc0781da25fd687_0
/data/data/####/8bc0781da25fd687_1
/data/data/####/9090d683213d10cd_0
/data/data/####/90db12b4b4c2cadc_0
/data/data/####/90f3c1733eecf796_0
/data/data/####/90f3c1733eecf796_1
/data/data/####/976129359fe1ad51_0
/data/data/####/9ac16c87a682ecbc_0
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/H5FA35F6A.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a76dc3ba75b03518_0
/data/data/####/a963c9a487efc8c1_0
/data/data/####/b9eb2b991728064e_0
/data/data/####/c09e7bada0c5
/data/data/####/c2f8f8193ec8a78d_0
/data/data/####/cae61edc46afdf88_0
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/ce2fd58597d98c69_0
/data/data/####/cf496f5d5b6300d7_0
/data/data/####/cf496f5d5b6300d7_1
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/clientid_igexin.xml
/data/data/####/com.yiyang.wangluo_preferences.xml
/data/data/####/dc81476afc93dece_0
/data/data/####/e1605e5b8678109d_0
/data/data/####/e18e1b67788eba80_0
/data/data/####/e577e23a948f59be_0
/data/data/####/e76a275fdc881d5e_0
/data/data/####/ee28434c2acdb205_0
/data/data/####/exchangeIdentity.json
/data/data/####/f0f51aa273342c35_0
/data/data/####/f10fe90723c2aef3_0
/data/data/####/fa2fb863db3e3e78_0
/data/data/####/gkt-journal
/data/data/####/http_m.yy.ccoo.cn_0.localstorage-journal
/data/data/####/increment.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/metrics_guid
/data/data/####/pdr.xml
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdata_EvJ733.dex
/data/data/####/tdata_EvJ733.dex.flock (deleted)
/data/data/####/tdata_EvJ733.jar
/data/data/####/tdata_EvJ733.tmp
/data/data/####/tdata_XwJ757.dex
/data/data/####/tdata_XwJ757.dex.flock (deleted)
/data/data/####/tdata_XwJ757.jar
/data/data/####/tdata_XwJ757.tmp
/data/data/####/temp-index
/data/data/####/the-real-index
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.yiyang.wangluo.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/gktper (deleted)
/data/media/####/tdata_EvJ733
/data/media/####/tdata_XwJ757
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh

Loads the following dynamic libraries:

libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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