Adware.Gexin.23551

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) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) url.g####.net:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) 64.2####.164.94:443
TCP(TLS/1.0) bea####.g####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) gmscomp####.google####.com:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.2) gmscomp####.google####.com:443
TCP(TLS/1.2) 1####.177.14.106:443
TCP(TLS/1.2) 64.2####.164.102:443
TCP(TLS/1.2) 64.2####.164.94:443
UDP www.gst####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5225
UDP bea####.g####.com:443
UDP pla####.google####.com:443

DNS requests:

a####.exc.mob.com
a.appj####.com
android####.go####.com
bea####.g####.com
c-h####.g####.com
c.appj####.com
cdn-sdk####.g####.com
cm-1####.g####.com
dxp.b####.com
gmscomp####.google####.com
h####.b####.com
m.d####.mob.com
p####.google####.com
pla####.google####.com
rr2---s####.g####.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
www.gst####.com
www.youji####.com

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
dxp.b####.com:443/autoTracker
dxp.b####.com:443/circleConfig?sdkVersion=####&appKey=####&packageName=#...
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.exc.mob.com/errconf
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
h####.b####.com:443/app.gif
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/####/.jg.ic
/data/data/####/.lock
/data/data/####/834e3adce20f6ce5ea62b71e8cf5c273848e47751c43b16....0.tmp
/data/data/####/834e3adce20f6ce5ea62b71e8cf5c273848e47751c43b16...186c.0
/data/data/####/MySp.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1720455105773
/data/data/####/__send_data_1720455109732
/data/data/####/a198d90dfc2b51530a48941dfe5992affec56acdcbb251d....0.tmp
/data/data/####/a198d90dfc2b51530a48941dfe5992affec56acdcbb251d...a472.0
/data/data/####/ad_show_time.xml
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/c3cc85b593dd
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/journal
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/mtj_autoTracker.js
/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/####/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/####/trace_circle.data
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/ua.db-journal (deleted)
/data/data/####/umeng_general_config.xml
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid2
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.pkg_lock
/data/media/####/.rc_lock
/data/media/####/.timestamp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.youjin360.financialcalculator.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/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 /sys/class/net/wlan0/address
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
mount
sh

Loads the following dynamic libraries:

libgetuiext2
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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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