Android.RemoteCode.8164

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.337.origin

Threat detection based on machine learning.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) us####.duckcal####.com:80
TCP(HTTP/1.1) jp####.duckcal####.com:80
TCP(HTTP/1.1) connect####.gst####.com:80
TCP(HTTP/1.1) m####.duckcal####.com:80
TCP(HTTP/1.1) in####.duckcal####.com:80
TCP(HTTP/1.1) ir####.duckcal####.com:80
TCP(HTTP/1.1) h####.duckcal####.com:80
TCP(HTTP/1.1) api.chas####.net:80
TCP(HTTP/1.1) www.go####.com:80
TCP(HTTP/1.1) s####.duckcal####.com:80
TCP(TLS/1.0) www.googlet####.com:443
TCP(TLS/1.0) g####.face####.com:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) and####.a####.go####.com:443
TCP(TLS/1.0) 74.1####.131.100:443
TCP(TLS/1.0) www.face####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) ssl.google-####.com:443
TCP(TLS/1.0) unit####.edges####.net:443
TCP(TLS/1.0) googl####.g.doublec####.net:443
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.0) rr18---####.g####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.2) www.go####.com:443
UDP p####.google####.com:443

DNS requests:

and####.a####.go####.com
and####.google####.com
api.chas####.net
au####.duckcal####.com
ca####.duckcal####.com
co####.unit####.uni####.com
connect####.gst####.com
fr####.duckcal####.com
g####.face####.com
ge####.duckcal####.com
gmscomp####.google####.com
googl####.g.doublec####.net
gu####.duckcal####.com
h####.duckcal####.com
in####.duckcal####.com
ir####.duckcal####.com
jp####.duckcal####.com
k####.duckcal####.com
m####.duckcal####.com
m####.go####.com
p####.google####.com
rr18---####.g####.com
rr2---s####.g####.com
rr9---s####.g####.com
s####.duckcal####.com
s####.duckcal####.com
sdk.a####.cn
ssl.google-####.com
u####.duckcal####.com
us####.duckcal####.com
us####.duckcal####.com
www.face####.com
www.go####.com
www.google####.com
www.googlet####.com

HTTP GET requests:

api.chas####.net/V1/ArriveRate?type=####&mnc=####&app_version=####&andro...
unit####.edges####.net:443/webview/3.5.1/3bfc3ca178a47dbaaa3a2fb2d74d961...
unit####.edges####.net:443/webview/3.5.1/release/config.json?ts=####&sdk...
us####.duckcal####.com/V1/ArriveRate?type=####&mnc=####&app_version=####...
www.go####.com/gen_204
www.googlet####.com:443/r?id=####&v=####
www.googlet####.com:443/r?id=####&v=####&pv=####

HTTP POST requests:

h####.duckcal####.com/V1/checkSpeed
in####.duckcal####.com/V1/checkSpeed
ir####.duckcal####.com/V1/checkSpeed
jp####.duckcal####.com/V1/checkSpeed
m####.duckcal####.com/V1/checkSpeed
s####.duckcal####.com/V1/checkSpeed
us####.duckcal####.com/Api/event?version_name=####
us####.duckcal####.com/Api/index?version_name=####
us####.duckcal####.com/Api/report_port_error?version_name=####
us####.duckcal####.com/V1/checkSpeed
us####.duckcal####.com/V1/connect?version_name=####
us####.duckcal####.com/V1/server_new?version_name=####

File system changes:

Creates the following files:

/data/data/####/1633031840514.dex
/data/data/####/1633031840514.dex.flock (deleted)
/data/data/####/1633031840514.jar
/data/data/####/1633031840514.tmp
/data/data/####/AppEventsLogger.persistedevents
/data/data/####/Cookies-journal
/data/data/####/FBAdPrefs.xml
/data/data/####/UnityAdsStorage-private-data.json
/data/data/####/UnityAdsStorage-public-data.json
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_gtmContainerRefreshPolicy_GTM-NT8WS8.xml
/data/data/####/admob.xml
/data/data/####/androidx.work.workdb-journal (deleted)
/data/data/####/audience_network.dex
/data/data/####/audience_network.dex.flock (deleted)
/data/data/####/bypass-china.acl
/data/data/####/bypass-lan-china.acl
/data/data/####/bypass-lan.acl
/data/data/####/china-list.acl
/data/data/####/choose_channerl_data.xml
/data/data/####/classes.dex
/data/data/####/classes.dex.flock (deleted)
/data/data/####/classes2.dex
/data/data/####/classes2.dex.flock (deleted)
/data/data/####/classes3.dex
/data/data/####/classes3.dex.flock (deleted)
/data/data/####/classes4.dex
/data/data/####/classes4.dex.flock (deleted)
/data/data/####/com.facebook.ads.idfa.xml
/data/data/####/com.facebook.internal.SKU_DETAILS.xml
/data/data/####/com.facebook.sdk.USER_SETTINGS.xml
/data/data/####/com.facebook.sdk.appEventPreferences.xml
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.speedy.vpn_preferences.xml
/data/data/####/connected_left_time.xml
/data/data/####/evernote_jobs.db-journal
/data/data/####/gaClientId
/data/data/####/gfwlist.acl
/data/data/####/google_analytics_v4.db-journal
/data/data/####/google_tagmanager.db
/data/data/####/google_tagmanager.db-journal
/data/data/####/index
/data/data/####/last_fast_host_file.xml
/data/data/####/login_files.xml
/data/data/####/metrics_guid
/data/data/####/net_data_file.xml
/data/data/####/new_user.xml
/data/data/####/proc_auxv
/data/data/####/push_offer_file.xml
/data/data/####/resource_GTM-NT8WS8
/data/data/####/server_log_file.xml
/data/data/####/the-real-index
/data/data/####/user_info_file.xml
/data/media/####/.nomedia
/data/media/####/UnityAdsTest.txt
/data/media/####/UnityAdsTest.txt (deleted)
/data/media/####/UnityAdsWebApp.html

Miscellaneous:

Executes the following shell scripts:

app_process /system/bin com.android.commands.pm.Pm path <Package>
ping -c 10 -w 5 101.99.90.107
ping -c 10 -w 5 102.130.118.99
ping -c 10 -w 5 102.130.121.237
ping -c 10 -w 5 103.107.198.170
ping -c 10 -w 5 103.107.198.234
ping -c 10 -w 5 103.236.150.199
ping -c 10 -w 5 104.149.128.254
ping -c 10 -w 5 104.149.134.194
ping -c 10 -w 5 109.166.37.25
ping -c 10 -w 5 109.169.72.95
ping -c 10 -w 5 110.34.164.19
ping -c 10 -w 5 111.90.150.121
ping -c 10 -w 5 131.196.253.98
ping -c 10 -w 5 139.99.135.133
ping -c 10 -w 5 139.99.238.179
ping -c 10 -w 5 139.99.89.194
ping -c 10 -w 5 155.138.148.219
ping -c 10 -w 5 158.69.1.16
ping -c 10 -w 5 162.250.191.253
ping -c 10 -w 5 172.104.116.233
ping -c 10 -w 5 172.105.35.22
ping -c 10 -w 5 172.105.43.221
ping -c 10 -w 5 172.105.6.77
ping -c 10 -w 5 172.107.199.110
ping -c 10 -w 5 173.254.202.219
ping -c 10 -w 5 185.153.180.10
ping -c 10 -w 5 185.160.26.54
ping -c 10 -w 5 185.162.125.91
ping -c 10 -w 5 185.162.126.217
ping -c 10 -w 5 185.219.133.59
ping -c 10 -w 5 185.238.242.130
ping -c 10 -w 5 188.240.71.142
ping -c 10 -w 5 193.108.118.154
ping -c 10 -w 5 2.56.149.99
ping -c 10 -w 5 2.56.151.169
ping -c 10 -w 5 203.78.103.48
ping -c 10 -w 5 203.78.103.93
ping -c 10 -w 5 212.103.61.167
ping -c 10 -w 5 217.138.193.54
ping -c 10 -w 5 217.138.202.6
ping -c 10 -w 5 3.249.52.148
ping -c 10 -w 5 3.35.207.221
ping -c 10 -w 5 31.133.100.49
ping -c 10 -w 5 37.120.213.230
ping -c 10 -w 5 37.48.80.203
ping -c 10 -w 5 46.165.254.155
ping -c 10 -w 5 46.165.254.163
ping -c 10 -w 5 47.108.177.240
ping -c 10 -w 5 47.242.230.196
ping -c 10 -w 5 47.93.84.139
ping -c 10 -w 5 5.181.4.239
ping -c 10 -w 5 5.188.0.138
ping -c 10 -w 5 5.188.0.184
ping -c 10 -w 5 5.188.36.11
ping -c 10 -w 5 5.188.93.119
ping -c 10 -w 5 5.188.93.41
ping -c 10 -w 5 50.7.1.27
ping -c 10 -w 5 51.195.136.209
ping -c 10 -w 5 51.79.158.186
ping -c 10 -w 5 51.79.161.77
ping -c 10 -w 5 51.79.161.80
ping -c 10 -w 5 51.89.138.162
ping -c 10 -w 5 51.89.164.86
ping -c 10 -w 5 62.210.213.6
ping -c 10 -w 5 77.247.125.27
ping -c 10 -w 5 81.90.188.58
ping -c 10 -w 5 82.118.21.21
ping -c 10 -w 5 89.249.73.206
ping -c 10 -w 5 91.193.5.198
ping -c 10 -w 5 91.193.6.66
ping -c 10 -w 5 92.119.179.62
ping -c 10 -w 5 92.223.79.76
ping -c 10 -w 5 92.223.85.112
ping -c 10 -w 5 92.223.85.145
ping -c 10 -w 5 92.223.93.140
ping -c 10 -w 5 92.38.139.95
ping -c 10 -w 5 92.38.149.173
ping -c 10 -w 5 92.38.152.142
ping -c 10 -w 5 92.38.171.101
ping -c 10 -w 5 92.38.171.103
ping -c 10 -w 5 95.216.5.254
pm path <Package>
sh chmod 755 /data/app/<Package>-1/lib/arm/libpdnsd.so
sh chmod 755 /data/app/<Package>-1/lib/arm/libproxychains4.so
sh chmod 755 /data/app/<Package>-1/lib/arm/libssr-local.so
sh chmod 755 /data/app/<Package>-1/lib/arm/libtun2socks.so
sh killall libpdnsd.so
sh killall libproxychains4.so
sh killall libssr-local.so
sh killall libtun2socks.so
sh rm -f /data/user/0/<Package>/libpdnsd.so-vpn.conf
sh rm -f /data/user/0/<Package>/libproxychains4.so-vpn.conf
sh rm -f /data/user/0/<Package>/libssr-local.so-vpn.conf
sh rm -f /data/user/0/<Package>/libtun2socks.so-vpn.conf

Loads the following dynamic libraries:

libarm_protect

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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