Adware.Gexin.23331

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) cn-hang####.oss####.aliyun####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) i.t####.com:80
TCP(TLS/1.0) l####.net####.im:443
TCP(TLS/1.0) def####.duals####.cn.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.2) 64.2####.165.94:443
TCP(TLS/1.2) 1####.250.150.95:443
TCP sdk.o####.t####.####.com:5224
TCP l####.net####.im:8080
TCP cm-1####.g####.com:5225
TCP 59.1####.209.50:8080

DNS requests:

api.zantou####.com
api.zantou####.com.####.8
av1.x####.com
c####.x####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cn-hang####.oss####.aliyun####.com
i.t####.com
l####.net####.im
lbs.net####.im
log.u####.com
nim.qi####.com
pla####.google####.com
plb####.u####.com
qy-swa####.qi####.com
res####.a####.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
u####.u####.com
wfd.net####.im
wfd.net####.im.####.8
www.google####.com

HTTP GET requests:

cn-hang####.oss####.aliyun####.com/amap-api/comm/upload/CoordinateSoEnhe...
def####.duals####.cn.####.com:443/bar/get/5abef7dbf29d98497900022d/?pcv=...
i.t####.com/a/30ab8cc076a13fd825efe07a9f673ed18
nim.qi####.com:443/webapi/user/da/config?ak=####
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.c####.g####.####.cn/tdata_EAx630
sdk.c####.g####.####.cn/tdata_fPG280
sdk.c####.g####.####.cn/tdata_kPg706
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

av1.x####.com:443/u/a/v1/2deceb89
av1.x####.com:443/u/a/v1/2e78c2e8
c####.x####.com:443/configcloud/rest/sdk/match
c-h####.g####.com/api.php?format=####&t=####
nim.qi####.com:443/webapi/user/create.action?deviceid=####&appkey=####
plb####.u####.com:443/umpx_internal
plb####.u####.com:443/umpx_share
res####.a####.com:443/v3/iasdkauth?key=####&ts=####&scode=####
sdk.o####.p####.####.com/api.php?format=####&t=####
u####.u####.com:443/unify_logs

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/1687206700833_3705
/data/data/####/1687206701633_3705
/data/data/####/1687206702128_3705
/data/data/####/1687206702984_3705
/data/data/####/1687206709406_3774
/data/data/####/1687206709616_3792
/data/data/####/1687206710813_3774
/data/data/####/1687206711102_3792
/data/data/####/1687206712921_3774
/data/data/####/1687206713028_3792
/data/data/####/1687206720543_3705
/data/data/####/1687206720595_3792
/data/data/####/1687206722581_3774
/data/data/####/1687206722602_3792
/data/data/####/1687206724128_3705
/data/data/####/1687206724464_3774
/data/data/####/1687206726094_3705
/data/data/####/1687206727669_3705
/data/data/####/1687206747251_3705
/data/data/####/1687206766971_3705
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/565a66fa
/data/data/####/Alvin2.xml
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/ContextData.xml
/data/data/####/NIMSDK_Config_f130449407f3c624ed1d0a5e160aca89.xml
/data/data/####/NIMSDK_Config_f130449407f3c624ed1d0a5e160aca89_...db.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/Unicorn.f130449407f3c624ed1d0a5e160aca89 .xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a==7.5.0&&1.0.1_1687206696349_envelope.log
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/com.diandi.app_preferences.xml
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjg3MjA2Njk1NzYx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjg3MjA2NzAyMTU4;
/data/data/####/dW1weF9zaGFyZV8xNjg3MjA2NzA0NDg0;
/data/data/####/dW1weF9zaGFyZV8xNjg3MjA2NzEyMjQx;
/data/data/####/diandi.db
/data/data/####/diandi.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&1.0.1_1687206695766_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/is.xml
/data/data/####/iv
/data/data/####/journal
/data/data/####/k.store
/data/data/####/libjiagu.so
/data/data/####/libwgs2gcj.so
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/metrics_guid
/data/data/####/msg.db-journal
/data/data/####/pref.xml
/data/data/####/pref.xml.bak
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qiyu_save_f130449407f3c624ed1d0a5e160aca89.xml
/data/data/####/run.pid
/data/data/####/salt
/data/data/####/share.db-journal
/data/data/####/tdata_EAx630
/data/data/####/tdata_EAx630.dex
/data/data/####/tdata_EAx630.dex.flock (deleted)
/data/data/####/tdata_EAx630.jar
/data/data/####/tdata_fPG280
/data/data/####/tdata_fPG280.dex
/data/data/####/tdata_fPG280.dex.flock (deleted)
/data/data/####/tdata_fPG280.jar
/data/data/####/tdata_kPg706
/data/data/####/tdata_kPg706.dex.flock (deleted)
/data/data/####/tdata_kPg706.jar
/data/data/####/tdid.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/unicorn#cheese#
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/1687206696330.db (deleted)
/data/media/####/1687206700826.db (deleted)
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.diandi.app.bin
/data/media/####/com.diandi.app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/sysid.dat
/data/media/####/tdata_EAx630
/data/media/####/tdata_fPG280
/data/media/####/tdata_kPg706
/data/media/####/test.log (deleted)
/data/media/####/tmp_c_20230619
/data/media/####/tmp_u_20230619
/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
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
ls /
ls /sys/class/thermal

Loads the following dynamic libraries:

libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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