Adware.Gexin.22322

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) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) def####.cn.zb.####.com:80
TCP(HTTP/1.1) api.fa####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
UDP(NTP) 1.cn.p####.####.org:123
UDP(NTP) 0.a####.p####.####.org:123
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) 1####.250.179.138:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) 2####.58.214.10:443
TCP(TLS/1.0) phonede####.google####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) pla####.google####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) 1####.250.179.195:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) 2####.58.214.10:443
TCP(TLS/1.2) pla####.google####.com:443
TCP sdk.o####.t####.####.net:5224
TCP cm-1####.g####.com:5224

DNS requests:

0.a####.p####.####.org
1.cn.p####.####.org
and####.b####.qq.com
and####.cli####.go####.com
android####.go####.com
api.fa####.com
api.map.b####.com
av1.x####.com
c####.x####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cm-1####.g####.com
i####.cn
id1.cn.8.####.8
instant####.google####.com
log.u####.com
m####.go####.com
md####.google####.com
pg.x####.com
pg.x####.com.####.8
phonede####.google####.com
pla####.google####.com
s####.u####.com
s####.u####.com.####.8
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

HTTP GET requests:

c####.x####.com:443/sdk/conf?id=####&p=####&v=####&sv=####&cv=####
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RBO669
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_uxr091
d####.c####.l####.####.com/config/hzv9.conf
def####.cn.zb.####.com/bar/get/5b5a720df29d982f02000534/?ud_get=####
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
api.fa####.com/faceid/v1/sdk/authm
api.map.b####.com:443/sdkcs/verify
av1.x####.com:443/g/d?crc=####
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=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/1642013880504.log
/data/data/####/1642013880504.log (deleted)
/data/data/####/46ad688f2351
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/MegviiSDKPreference.xml
/data/data/####/TDCloudSettingsConfig6C2946C900FE4B8F8A9509ABBE...ml.bak
/data/data/####/TDCloudSettingsConfig6C2946C900FE4B8F8A9509ABBE0BEF88.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime.xml (deleted)
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime.xml.bak
/data/data/####/TDpref_shorttime.xml.bak (deleted)
/data/data/####/TDtcagent.db
/data/data/####/TDtcagent.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/authStatus_com.gogen.android.gaojin.xml
/data/data/####/authStatus_com.gogen.android.gaojin;patch.xml
/data/data/####/authStatus_com.gogen.android.gaojin;pushservice.xml
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/com.gogen.android.gaojin.BETA_VALUES.xml
/data/data/####/com.gogen.android.gaojin_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/mac.xml
/data/data/####/megviisdk.xml
/data/data/####/metrics_guid
/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/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/talkingdata_app.db-journal
/data/data/####/talkingdata_app_process_preferences_file
/data/data/####/talkingdata_app_version_preferences_file
/data/data/####/td.lock
/data/data/####/tdata_RBO669
/data/data/####/tdata_RBO669.dex
/data/data/####/tdata_RBO669.dex.flock (deleted)
/data/data/####/tdata_RBO669.jar
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.dex
/data/data/####/tdata_cpZ817.dex.flock (deleted)
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_uxr091
/data/data/####/tdata_uxr091.dex
/data/data/####/tdata_uxr091.dex.flock (deleted)
/data/data/####/tdata_uxr091.jar
/data/data/####/tdid.xml
/data/data/####/tdlock.txt
/data/data/####/the-real-index
/data/data/####/umeng_socialize.xml
/data/media/####/.cuid2
/data/media/####/.tcookieid
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.gogen.android.gaojin.bin
/data/media/####/com.gogen.android.gaojin.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/tdata_RBO669
/data/media/####/tdata_cpZ817
/data/media/####/tdata_uxr091
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c type su
cat /proc/cpuinfo
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
getprop
ip addr
logcat -d -v threadtime
mount

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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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