Adware.Gexin.23553

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) z####.i####.com.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(TLS/1.0) 64.2####.164.94:443
TCP(TLS/1.0) 2####.239.32.223:443
TCP(TLS/1.0) rr13---####.g####.com:443
TCP(TLS/1.0) def####.duals####.cn.####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) rr3---s####.g####.com:443
TCP(TLS/1.0) rr10---####.g####.com:443
TCP(TLS/1.0) gmscomp####.google####.com:443
TCP(TLS/1.2) gmscomp####.google####.com:443
TCP(TLS/1.2) 1####.177.14.103:443
TCP(TLS/1.2) 64.2####.164.100:443
TCP(TLS/1.2) 2####.239.32.223:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5226

DNS requests:

a####.u####.com
and####.cli####.go####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
gmscomp####.google####.com
log.u####.com
pla####.google####.com
pla####.googleu####.com
rr10---####.g####.com
rr13---####.g####.com
rr3---s####.g####.com
s####.u####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
z####.i####.com.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/tdata_CoH340
cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_GKM601
cdn-sdk####.g####.com.####.cn/tdata_jFf739
cdn-sdk####.g####.com.####.cn/tdata_pKX830
def####.duals####.cn.####.com:443/bar/get/5987ca362ae85b4c36001339/?ud_g...
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
z####.i####.com.cn/mobileapi/mobilelogin/getSchoolList

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1720457827212.log
/data/data/####/bea598cb
/data/data/####/c007edeefba0
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/config.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/stuDB.db-journal
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_GKM601
/data/data/####/tdata_GKM601.dex
/data/data/####/tdata_GKM601.dex.flock (deleted)
/data/data/####/tdata_GKM601.jar
/data/data/####/tdata_jFf739
/data/data/####/tdata_jFf739.dex
/data/data/####/tdata_jFf739.dex.flock (deleted)
/data/data/####/tdata_jFf739.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.zjy.stu.bin
/data/media/####/com.zjy.stu.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/self/cgroup
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
mount
sh

Loads the following dynamic libraries:

libgetuiext2
libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-NoPadding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

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.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

アンチウイルスに関する誤解と噂

Technical information

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