Android.Backdoor.473

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.637.origin

Downloads the following detected threats from the Web:

Android.Backdoor.636.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) mo####.ultrapr####.com:80
TCP(HTTP/1.1) pac####.ultrapr####.com:80
TCP(HTTP/1.1) sm####.m####.com:80
TCP(HTTP/1.1) r####.android####.info:80
TCP(HTTP/1.1) acc####.thefunn####.com:8100
TCP(HTTP/1.1) hijo####.thefunn####.com:8100
TCP(HTTP/1.1) rt.duodu####.com:8080
TCP(HTTP/1.1) hijo####.thefunn####.com:80
TCP(HTTP/1.1) g####.m####.com:80
TCP(HTTP/1.1) b####.android####.info:80
TCP(HTTP/1.1) loading####.mids####.info:80

DNS requests:

110.211.58.####.arpa
170.212.58.####.arpa
42.17.217.####.arpa
67.17.217.####.arpa
a####.u####.com
acc####.thefunn####.com
acco####.go####.com
b####.android####.info
g####.m####.com
gp####.m####.com
hijo####.thefunn####.com
loading####.mids####.info
mo####.ultrapr####.com
p####.3g.qq.com
p####.google####.com
pac####.ultrapr####.com
r####.android####.info
rt.duodu####.com
sm####.m####.com
ssl.gst####.com
www.google####.com

HTTP GET requests:

b####.android####.info/api/getSdk
b####.android####.info/api/getSelfUpdate?is_test=####&version=####&
b####.android####.info/api/timeInterval
b####.android####.info/upload/Selfupdate/20171213084930.7z
hijo####.thefunn####.com/soft/59b1ed77a2edd.zip
hijo####.thefunn####.com/soft/59f9b84c64333.zip
hijo####.thefunn####.com/soft/5a178918b9258.zip
hijo####.thefunn####.com/soft/5a1d192c526b3.zip
hijo####.thefunn####.com/soft/5a21228959317.zip
hijo####.thefunn####.com/soft/5a31158ef0425.zip
hijo####.thefunn####.com/soft/5a37916d09195.zip
loading####.mids####.info/api/initOpen?tag=####&version=####&game_id=####
pac####.ultrapr####.com/Uploads/sdk/171212_fixservice-debug_10000_2_2.0_...
sm####.m####.com/Api/Partners/initOpen?tag=####&version=####

HTTP POST requests:

b####.android####.info/api/dystat
b####.android####.info/api/tempLogInfo
g####.m####.com/Grab/ip
hijo####.thefunn####.com:8100/Update/dystat
hijo####.thefunn####.com:8100/Update/packageLogByType
hijo####.thefunn####.com:8100/Update/packageUpdateResult
loading####.mids####.info/api/dystat
loading####.mids####.info/api/getpagenew
loading####.mids####.info/api/shua
mo####.ultrapr####.com/index.php?c=####&m=####
rt.duodu####.com:8080/SpringWind/testapi/check.do

Modified file system:

Creates the following files:

/data/local/####/accounts.db
/data/local/####/accounts.db-journal
/data/local/####/finsky.xml
/data/local/####/getprop_c
/data/local/####/gservices.db
/data/local/####/gservices.db-journal
/data/local/####/libfilesystem_monitor.so
/data/local/####/setprop_c
/data/local/####/zlt
/data/local/####/zlt_conf
/data/local/####/zltcheck
/data/local/####/zltdaemon
/system/app/bart.apk
/system/bin/getprop_c
/system/bin/setprop_c
<Package Folder>/applib/ktools
<Package Folder>/cache/####/data_0
<Package Folder>/cache/####/data_1
<Package Folder>/cache/####/data_2
<Package Folder>/cache/####/data_3
<Package Folder>/cache/####/index
<Package Folder>/databases/webview.db-journal
<Package Folder>/databases/webviewCookiesChromium.db-journal
<Package Folder>/files/####/15093826
<Package Folder>/files/####/59b1ed77a2edd.zip
<Package Folder>/files/####/59f9b84c64333.zip
<Package Folder>/files/####/5a178918b9258.zip
<Package Folder>/files/####/5a1d192c526b3.zip
<Package Folder>/files/####/5a21228959317.zip
<Package Folder>/files/####/5a31158ef0425.zip
<Package Folder>/files/####/5a37916d09195.zip
<Package Folder>/files/####/8101.jar
<Package Folder>/files/####/__krsdk.res__
<Package Folder>/files/####/a
<Package Folder>/files/####/actsts
<Package Folder>/files/####/b
<Package Folder>/files/####/b.zip
<Package Folder>/files/####/bart.apk
<Package Folder>/files/####/bart.apk_tmp
<Package Folder>/files/####/bart.apk_tmp (deleted)
<Package Folder>/files/####/chkmount
<Package Folder>/files/####/classes.dex
<Package Folder>/files/####/ddexe
<Package Folder>/files/####/debuggerd
<Package Folder>/files/####/error
<Package Folder>/files/####/exchangeIdentity.json
<Package Folder>/files/####/getprop_c
<Package Folder>/files/####/install-recovery.sh
<Package Folder>/files/####/kd
<Package Folder>/files/####/kds
<Package Folder>/files/####/kr-stock-conf
<Package Folder>/files/####/krdem
<Package Folder>/files/####/krsdk.cert
<Package Folder>/files/####/krsdk.res
<Package Folder>/files/####/ktools
<Package Folder>/files/####/ku-config
<Package Folder>/files/####/libfilesystem_monitor.so
<Package Folder>/files/####/libkrsdk.so
<Package Folder>/files/####/libkrsdk1.2.0.220.so
<Package Folder>/files/####/libnativeUtil.so
<Package Folder>/files/####/libso1.so
<Package Folder>/files/####/libun7z.so
<Package Folder>/files/####/reportroot
<Package Folder>/files/####/runtime
<Package Folder>/files/####/servicesd.apk
<Package Folder>/files/####/setprop_c
<Package Folder>/files/####/source.zip
<Package Folder>/files/####/su
<Package Folder>/files/####/su2
<Package Folder>/files/####/su_check
<Package Folder>/files/####/supolicy
<Package Folder>/files/####/zlt
<Package Folder>/files/####/zlt.7z
<Package Folder>/files/####/zlt.7z_tmp
<Package Folder>/files/####/zlt.7z_tmp (deleted)
<Package Folder>/files/####/zltcheck
<Package Folder>/files/####/zltdaemon
<Package Folder>/files/.pa
<Package Folder>/files/3b6bb137ece2b85535c20bc952871b49
<Package Folder>/files/lib32sbfaAfef23.so
<Package Folder>/files/lib32sdfaAfef23.so
<Package Folder>/files/mobclick_agent_cached_<Package>30179
<Package Folder>/files/umeng_it.cache
<Package Folder>/shared_prefs/<Package>_preferences.xml
<Package Folder>/shared_prefs/Cocos2dxPrefsFile.xml
<Package Folder>/shared_prefs/SharedPreferences_cache.xml
<Package Folder>/shared_prefs/com.solo.adsdk.preference.user.xml
<Package Folder>/shared_prefs/config.xml
<Package Folder>/shared_prefs/get_ip_file.xml
<Package Folder>/shared_prefs/kingrootsdk.xml
<Package Folder>/shared_prefs/kingrootsdk_defense.xml
<Package Folder>/shared_prefs/log.xml
<Package Folder>/shared_prefs/receive_time_file.xml
<Package Folder>/shared_prefs/toor.xml
<Package Folder>/shared_prefs/umeng_general_config.xml
<SD-Card>/.androidID
<SD-Card>/.recordinterval
<SD-Card>/.temp/pureSdk
<SD-Card>/kr-stock-conf

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
<Package Folder>/files/modules/data/8101/krsdk/kd
app_process /system/bin com.android.commands.pm.Pm install -r <Package Folder>/files/lxtemp/bart.apk
cat /sys/class/net/wlan0/address
chmod -R 777 /data/data/com.android.vending
chmod -R 777 /data/data/com.google.android.gms
chmod -R 777 /data/data/com.google.android.gsf
chmod -R 777 /data/local/fakeData/uploadData/GO_TEMP/
chmod -R 777 /data/system/users/0
chmod 0755 <Package Folder>/files/modules/data/8101/krsdk/ktools
chmod 0771 <Package Folder>/applib
chmod 644 /system/app/bart.apk
chmod 755 <Package Folder>/files/modules/data/8101/krsdk/xmls/ddexe <Package Folder>/files/modules/data/8101/krsdk/xmls/debuggerd <Package Folder>/files/modules/data/8101/krsdk/xmls/install-recovery.sh <Package Folder>/files/modules/data/8101/krsdk/xmls/krdem <Package Folder>/files/modules/data/8101/krsdk/xmls/servicesd.apk <Package Folder>/files/modules/data/8101/krsdk/xmls/su <Package Folder>/files/modules/data/8101/krsdk/xmls/su2
chmod 755 getprop_c setprop_c getprop setprop
chmod 777 /data/local/fakeData/uploadData/GO_TEMP/
chmod 777 /data/local/tmp/lt
chmod 777 /data/local/tmp/lt/zlt_conf
chmod 777 getprop_c libfilesystem_monitor.so setprop_c zlt zltcheck zltdaemon
chown root:shell getprop_c setprop_c getprop setprop
cp -rf /data/data/com.android.vending/shared_prefs/finsky.xml /data/local/fakeData/uploadData/GO_TEMP/finsky.xml
cp -rf /data/data/com.google.android.gms/shared_prefs/Checkin.xml /data/local/fakeData/uploadData/GO_TEMP/Checkin.xml
cp -rf /data/data/com.google.android.gms/shared_prefs/CheckinService.xml /data/local/fakeData/uploadData/GO_TEMP/CheckinService.xml
cp -rf /data/data/com.google.android.gms/shared_prefs/adid_settings.xml /data/local/fakeData/uploadData/GO_TEMP/adid_settings.xml
cp -rf /data/data/com.google.android.gsf/databases/gservices.db /data/local/fakeData/uploadData/GO_TEMP/gservices.db
cp -rf /data/data/com.google.android.gsf/databases/gservices.db-journal /data/local/fakeData/uploadData/GO_TEMP/gservices.db-journal
cp -rf /data/local/tmp/lt/getprop_c /data/local/tmp/lt/setprop_c /system/bin
cp -rf /data/system/users/0/accounts.db /data/local/fakeData/uploadData/GO_TEMP/accounts.db
cp -rf /data/system/users/0/accounts.db-journal /data/local/fakeData/uploadData/GO_TEMP/accounts.db-journal
cp -rf zltcheck getprop_c zltdaemon setprop_c libfilesystem_monitor.so zlt /data/local/tmp/lt
cp <Package Folder>/files/lxtemp/bart.apk /system/app/bart.apk
getprop ro.product.cpu.abi
getprop ro.product.cpu.abi2
grep zlt
ln -s getprop_c getprop
ln -s setprop_c setprop
ls -l /dev/kmem
ls -lZ <Package Folder>/files/modules/data/8101/krsdk/
ls /data/local/tmp
mkdir /data/local/fakeData
mkdir /data/local/fakeData/uploadData
mkdir /data/local/fakeData/uploadData/GO_TEMP
mkdir /data/local/fakeData/uploadData/GO_TEMP/
mkdir /data/local/tmp/lt
mount -o remount,rw /data
mount -o remount,rw /system
ping -c 3 -w 10 accounts.google.com
ping -c 3 -w 10 android.clients.google.com
ping -c 3 -w 10 play.googleapis.com
ping -c 3 -w 10 ssl.gstatic.com
ping -c 3 -w 10 www.googleapis.com
ps
rm getprop setprop
sh
sh -c chmod 755 <Package Folder>/files/modules/data/8101/krsdk/xmls/*
sh <Package Folder>/files/modules/data/8101/krsdk/kd
su
su -v

Loads the following dynamic libraries:

cocos2dcpp
lib32sbfaAfef23
libkrsdk
libkrsdk1.2.0.220
libso1
libun7z
nativeUtil
so1

Uses elevated priveleges.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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Formazione ed informazione

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