Adware.Gexin.12205

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) oth.eve.mdt.####.com:8080
TCP(HTTP/1.1) oth.str.mdt.####.com:8080
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) zb-cent####.m.ta####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) o####.jd.com:80
TCP(HTTP/1.1) m####.3g.qq.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(TLS/1.0) nbsdk-b####.al####.com:443
TCP(TLS/1.0) 36####.edges####.net:443
TCP(TLS/1.0) ke####.jd.com:443
TCP(TLS/1.0) d####.k.jd.com:443
TCP(TLS/1.0) we####.fanxian####.com:443
TCP(TLS/1.0) www.j####.com:443
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.m.jd.com
acs4bai####.m.ta####.com
ad####.m.ta####.com
ada####.m.ta####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
cgi.con####.qq.com
d####.k.jd.com
dgst####.jd.com
dxp.b####.com
h####.b####.com
ke####.jd.com
m####.3g.qq.com
nbsdk-b####.al####.com
o####.jd.com
oth.eve.mdt.####.com
oth.str.mdt.####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wb.110.ta####.com
we####.fanxian####.com
y####.al####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?sdkv=####&appid=###...
qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Jga153
t####.c####.q####.####.com/tdata_bca864
t####.c####.q####.####.com/tdata_duV457
t####.c####.q####.####.com/tdata_mSr887
zb-cent####.m.ta####.com/gw-open/mtop.taobao.tbk.sdk.config/1.0/?data=####

HTTP POST requests:

ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
hk.wagbr####.non####.####.com/saveWb.json
m####.3g.qq.com/
na61-####.wagbr####.ali####.####.com/api/update.do
o####.jd.com/upload
oth.eve.mdt.####.com:8080/analytics/upload?rid=####&sid=####
oth.str.mdt.####.com:8080/analytics/upload
oth.str.mdt.####.com:8080/analytics/upload?sid=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1002
/data/data/####/1004
/data/data/####/1d77ea041509fe06.lock
/data/data/####/21c22f492aba3de8.lock
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/AlibcLinkPartner.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DENGTA_META.xml
/data/data/####/SGMANAGER_DATA2
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/TMAssistantSDKSharedPreference.xml
/data/data/####/TMSDKPrefer.xml
/data/data/####/UTCommon.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/####/__send_data_1555035231036
/data/data/####/aliTradeConfigSP.xml
/data/data/####/ap.Lock
/data/data/####/auth_sdk_device.xml
/data/data/####/auth_shared.xml
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/beacon_selfupdate_db
/data/data/####/beacon_selfupdate_db-journal
/data/data/####/bugly_db_-journal
/data/data/####/c94a0d7b4037
/data/data/####/com.hxq.unicorn.BETA_VALUES.xml
/data/data/####/com.hxq.unicorn_preferences.xml
/data/data/####/com.tencent.open.config.json.1106906836
/data/data/####/crashrecord.xml
/data/data/####/deviceid_prefs.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jxlh_push.db-journal
/data/data/####/kepler_public.xml
/data/data/####/libcuid.so
/data/data/####/libjiagu54333026.so
/data/data/####/libsgmainso-5.1.81.so.tmp
/data/data/####/local_crash_lock
/data/data/####/lock.lock
/data/data/####/map_record.txt
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/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/####/qihoo_jiagu_crash_report.xml
/data/data/####/reg_record.txt
/data/data/####/rqd_record.eup
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp.lock
/data/data/####/tdata_Jga153
/data/data/####/tdata_Jga153.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/data/data/####/tdata_duV457
/data/data/####/tdata_duV457.jar
/data/data/####/tdata_mSr887
/data/data/####/tdata_mSr887.jar
/data/data/####/timestamp
/data/data/####/tmapkpatch_sdk.db-journal
/data/data/####/tmassistant_sdk_v2.db-journal
/data/data/####/tomb.zip
/data/data/####/tomb.zip (deleted)
/data/data/####/tomb_1555035198435.txt
/data/data/####/tomb_1555035199274.txt
/data/data/####/trace_circle.data
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal (deleted)
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.timestamp
/data/media/####/18d2ed21a6e7170c48de5438de9b9d8e
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.hxq.unicorn.bin
/data/media/####/com.hxq.unicorn.cache
/data/media/####/com.hxq.unicorn.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.tencent.mobileqq_connectSdk.19.04.12.02.log
/data/media/####/d41d8cd98f00b204e9800998ecf8427e
/data/media/####/dd7893586a493dc3
/data/media/####/dfe55732e3ae9e6e6f3a4348457e1ba7
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/hid.dat
/data/media/####/tdata_Jga153
/data/media/####/tdata_bca864
/data/media/####/tdata_duV457
/data/media/####/tdata_mSr887
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.MyGTPushService 24514 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
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
logcat -d -v threadtime
logcat -d -v threadtime Bugly-libunwind:S
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.MyGTPushService 24514 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
libjiagu54333026
sgmainso-5.1
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
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-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.

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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