Adware.Gexin.9515

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:80
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:443
TCP(HTTP/1.1) uc.bd####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) a####.m.ta####.com:80
TCP(HTTP/1.1) www.bd####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) 1####.217.17.46:443
TCP(TLS/1.0) z.c####.com:443
TCP(TLS/1.0) c.c####.com:443
TCP i####.wan####.ta####.com:443

DNS requests:

a####.m.ta####.com
a####.u####.com
c.c####.com
dxp.b####.com
h####.b####.com
hm.b####.com
hotp####.wan####.ta####.com
i####.wan####.ta####.com
img.bd####.com
log.u####.com
r####.wx.qq.com
s####.u####.com
s4.c####.com
tcms-a####.wan####.ta####.com
uc.bd####.com
wb.110.ta####.com
www.bd####.com
y####.al####.com
z11.c####.com

HTTP GET requests:

hk.wagbr####.non####.####.com/m/um.htm?c={"ser####
s####.tc.qq.com/open/js/jweixin-1.0.0.js
tcms-a####.wan####.ta####.com:443/imlogingw/tcp60login?devid=####&ver=####
uc.bd####.com/avatar.php?uid=####&size=####&random=####
uc.bd####.com/data/attachment/company/201902/28/1551337281910.jpg
uc.bd####.com/data/avatar/000/40/25/32_avatar_big.jpg?random=####
uc.bd####.com/data/avatar/000/72/48/72_avatar_big.jpg?random=####
uc.bd####.com/data/avatar/000/78/60/58_avatar_big.jpg?random=####
uc.bd####.com/data/avatar/001/12/44/38_avatar_big.jpg?random=####
uc.bd####.com/data/avatar/001/25/79/37_avatar_big.jpg?random=####
uc.bd####.com/images/noavatar_big.gif
uc.bd####.com/member.php?mod=####&mobile=####&qid=####
uc.bd####.com/static/append/common/bg_header_brand.jpg
uc.bd####.com/static/append/common/bg_hide_brand.png
uc.bd####.com/static/append/common/icon_common.png
uc.bd####.com/static/js/mobile/common.js?Z####
uc.bd####.com/static/js/mobile/jquery-1.8.3.min.js?Z####
uc.bd####.com/template/extend/mobile/font/css/font.min.css
uc.bd####.com/template/extend/touch/style.css
uc.bd####.com/template/extend/touch/swipe.js?Z####
www.bd####.com/data/attachment/company/201902/26/1551171694975.png
www.bd####.com/data/attachment/company/201902/27/1551244467491.png
www.bd####.com/data/attachment/company/201902/28/1551337281910.jpg
www.bd####.com/data/attachment/company/201902/28/155133796461.jpg
www.bd####.com/data/attachment/company/201903/01/1551401542695.jpg
www.bd####.com/data/attachment/company/201903/02/1551493452223.jpg
www.bd####.com/data/attachment/company/201903/03/1551596102519.jpg
www.bd####.com/portal/201705/26/214429tg4eebgk24fkcekz.jpg
www.bd####.com/portal/201810/12/095924gpq3g0nx0qxp3ywz.png
www.bd####.com/portal/201812/10/141741r0jxb66ijcjf6epy.jpg
www.bd####.com/static/append/icongroup/lv_verify002.png
www.bd####.com/static/append/icongroup/lv_vip001.png
www.bd####.com/static/append/icongroup/lv_vip002.png
www.bd####.com/static/image/appnav/001.png
www.bd####.com/static/image/appnav/002.png
www.bd####.com/static/image/appnav/003.png
www.bd####.com/static/image/appnav/004.png
www.bd####.com/static/image/appnav/005.png
www.bd####.com/static/image/appnav/006.png
www.bd####.com/static/image/appnav/007.png
www.bd####.com/static/image/appnav/008.png

HTTP POST requests:

a####.m.ta####.com/rest/gc?dd=####&nsgs=####&ak=####&av=####&c=####&v=##...
a####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=####&...
a####.u####.com/app_logs
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do
www.bd####.com/appapi.php

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1551648889593.log
/data/data/####/1d77ea041509fe06.lock
/data/data/####/49814c4f5ac2f2f9.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/SGMANAGER_DATA.xml
/data/data/####/UTCommon.xml
/data/data/####/UTMCConf-272457633.xml
/data/data/####/UTMCLog-272457633.xml
/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/####/__local_stat_full_cache.json
/data/data/####/__send_data_1551648898653
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.qihe.bdwork_2291_9_34PM
/data/data/####/com.qihe.bdwork_2321_9_34PM
/data/data/####/com.qihe.bdwork_TcmsService_2372_9_34PM
/data/data/####/com.qihe.bdwork_TcmsService_2512_9_34PM
/data/data/####/com.qihe.bdwork_preferences.xml
/data/data/####/com.qihe.bdwork_pushservice_2440_9_34PM
/data/data/####/com.qihe.bdwork_pushservice_2556_9_34PM
/data/data/####/com.qihe.bdwork_pushservice_2701_9_34PM
/data/data/####/com.qihe.bdwork_pushservice_2924_9_35PM
/data/data/####/com.qihe.bdwork_remote_2669_9_34PM
/data/data/####/com.qihe.bdwork_remote_2782_9_35PM
/data/data/####/com.qihe.bdwork_remote_3011_9_35PM
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/getui_sp.xml
/data/data/####/http_www.bdwork.com_0.localstorage-journal
/data/data/####/index
/data/data/####/libcuid.so
/data/data/####/libjiagu59245313.so
/data/data/####/libsecuritysdkx-3.1.27.so.tmp
/data/data/####/mtj_auto.config
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/okgo_cookie.xml
/data/data/####/onesdk_device.xml
/data/data/####/preference_bd_work.xml
/data/data/####/sp.lock
/data/data/####/tcms_istied.xml
/data/data/####/tcms_setting_sp.xml
/data/data/####/trace_circle.data
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/xpush_status.xml
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.timestamp
/data/media/####/1i5wsy4g88xvfr1gf5wuit12p
/data/media/####/1i84ldg8ardmh2kp4683t25rz
/data/media/####/1qobvkmyiyjmt6z2ujx51fy8o
/data/media/####/2_20190303_r
/data/media/####/2flihhe4ipkkpiranok6e3y2c
/data/media/####/2frpt27qqkoznqp4rdx1frx0z
/data/media/####/2ms8es8zivqts6qnjae0zc37o
/data/media/####/3j99lqvr161xqvrgb4nsle9bo
/data/media/####/3py3mdsl49jowfo2arojjdjtl
/data/media/####/3s3qx143f1qkkkfh31psq6uka
/data/media/####/44egnlxrah160qal67a3cpwik
/data/media/####/4qpsjukehsehfejxsleztmuay
/data/media/####/4vewyzsu5tj5yz6c1kbn39oe0
/data/media/####/5em1b59jm6p0yqer4m048r54z
/data/media/####/5n2f88xpejwo2veu3iu711kr
/data/media/####/5zawdlmezphztefzqmqeqlxuh
/data/media/####/64ot7h0prokafne3v1w5xpugd
/data/media/####/69fhekflg6zcwjn4yxuuhj27l
/data/media/####/6c709c11d2d46a7b
/data/media/####/6cfaxtezx4cob07y6xgqyr2kv
/data/media/####/709ri0epn3lx5w3o2tfqc85sf
/data/media/####/75rx6it2fe24ia6910g8a4i39
/data/media/####/76qp8tyre0hrr1ufz3fmw8zc4
/data/media/####/77crqu7gnptgz1pvfueu1vxn7
/data/media/####/7b622zr0loc8k8brquecxf8j2
/data/media/####/7bs7g6vkf2wh55tg7ajgzs3e7
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/al3ds35jbk2oyxdmf2s8xn8g
/data/media/####/dd7893586a493dc3
/data/media/####/ixtjs0f4o8l5un1ugiqc9kha
/data/media/####/jkavusvwyjjf2mi42qstqnin

Miscellaneous:

Executes the following shell scripts:

cat /proc/cpuinfo | grep Serial
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.smartisan.version
getprop ro.vivo.os.version
ls -l /system/xbin/su
sh

Loads the following dynamic libraries:

crash_analysis
inet.2.0
libjiagu59245313
securitysdk-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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