Adware.Gexin.22083

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) sf3-ttc####.ps####.com:80
TCP(HTTP/1.1) www.fenfen####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) sf3-ttc####.ps####.com:443
TCP(TLS/1.0) def####.cn.zb.####.com:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) www.google####.com:443
UDP 1####.24.104.47:44448
UDP 1####.24.104.47:44447
UDP 1####.24.104.47:44445
UDP 1####.24.104.47:44444
UDP 1####.24.104.47:44450
UDP 1####.24.104.47:44452
UDP 1####.0.9.1:137
UDP 1####.24.104.47:44446
UDP 1####.24.104.47:44449
UDP 1####.24.104.47:44454
UDP 1####.24.104.47:44453
UDP 1####.24.104.47:44451

DNS requests:

a####.man.aliy####.com
ad####.m.ta####.com
and####.b####.qq.com
and####.cli####.go####.com
and####.google####.com
android####.go####.com
api.fenfen####.com
instant####.google####.com
is.sn####.com
l####.tbs.qq.com
log.sn####.com
log.u####.com
m####.go####.com
plb####.u####.com
sec.u####.com
sf3-fe####.pglstat####.com
sf3-ttc####.ps####.com
u####.u####.com
www.fenfen####.com
www.google####.com
www.gst####.com

HTTP GET requests:

def####.cn.zb.####.com:443/bar/get/4db7a195112cf76abd00000c/?pcv=####&de...
sf3-ttc####.ps####.com:443/obj/ad-pattern/renderer/9eee41/index.js
sf3-ttc####.ps####.com:443/obj/ad-pattern/renderer/package.json

HTTP POST requests:

al####.u####.com:443/unify_logs
and####.b####.qq.com/rqd/async?aid=####
na61-####.wagbr####.ali####.####.com:443/max.json
plb####.u####.com:443/umpx_internal
sf3-ttc####.ps####.com/service/2/app_log_exception/?os_api=####&device_p...
sf3-ttc####.ps####.com:443/api/ad/union/sdk/settings/
www.fenfen####.com/snsApi.php?do=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1641056647788
/data/data/####/37CF018B.dex
/data/data/####/37CF018B.dex.flock (deleted)
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/PINK_DIARY.xml
/data/data/####/UTCommon.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/ad_reload_form.xml
/data/data/####/ap.Lock
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_-journal (deleted)
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/core_info
/data/data/####/crash_dump.log
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQxMDU2NjIwMjc4;
/data/data/####/dc6B4A50B052A05811
/data/data/####/download_upload
/data/data/####/downloader.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/i==1.2.0&&7.58_1641056619824_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/jsb.version
/data/data/####/libjiagu.so
/data/data/####/libweexjsb.so
/data/data/####/local_crash_lock
/data/data/####/metrics_guid
/data/data/####/native_record_lock
/data/data/####/passcode.xml
/data/data/####/pink_config.xml
/data/data/####/proc_auxv
/data/data/####/security_info
/data/data/####/setting.xml
/data/data/####/share_data.xml
/data/data/####/sp_sessionid.xml
/data/data/####/sp_uuid.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/the-real-index
/data/data/####/tt_sdk_settings.xml
/data/data/####/tt_sdk_settings.xml.bak (deleted)
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopenadsdk.xml.bak
/data/data/####/ttopensdk.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/update.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/data/app/<Package>-1/lib/arm//libweexjsb.so 78 83 1 /data/user/0/<Package>/app_crash/crash_dump.log
/data/user/0/<Package>/app_06851326-179e-4f06-8472-d5e78a1ab259/dc6B4A50B052A05811
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/system/bin/sh -c type su
getprop
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.product.cpu.abi
getprop ro.vivo.os.build.display.id
logcat -d -v threadtime
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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.).

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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