Android.BackDoor.2819

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.657.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) 47.97.2####.214:80
TCP(HTTP/1.1) 1####.55.28.235:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) rq####.sp####.mig.####.net:80
TCP(HTTP/1.1) 47.1####.33.209:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.0) regi####.xm####.xi####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) 1####.217.20.106:443
TCP(TLS/1.0) 2####.58.214.10:443
TCP(TLS/1.2) 1####.217.20.106:443
TCP(TLS/1.2) 1####.217.19.195:443
TCP(TLS/1.2) 2####.58.214.14:443

DNS requests:

a####.man.aliy####.com
ad####.m.ta####.com
and####.b####.qq.com
instant####.google####.com
md####.google####.com
p####.google####.com
regi####.xm####.xi####.com
safebro####.google####.com
sdk.api.o####.####.cn
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...

HTTP POST requests:

rq####.sp####.mig.####.net/rqd/async?aid=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/39285EFA.dex
/data/data/####/39285EFA.dex.flock (deleted)
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/ACCS_SDK_CHANNEL.xml.bak
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/AndroidLogPlusXl_5.7.2.dex
/data/data/####/AndroidLogPlusXl_5.7.2.dex (deleted)
/data/data/####/AndroidLogPlusXl_5.7.2.dex.flock (deleted)
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/UTCommon.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/accs.db-journal
/data/data/####/agoo.pid
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/cn.ecook.xml
/data/data/####/cn.ecook.xml.bak
/data/data/####/cn.ecookone_preferences.xml
/data/data/####/cn.ecookone_vupDate.xml
/data/data/####/cn.ecookone_vupDate.xml.bak
/data/data/####/com.ciba.data.xml
/data/data/####/com.google.android.gms.analytics.prefs.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTk0MDk1NDExMDQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTk0MDk1NDIyMDY5;
/data/data/####/ecookpush.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/google_analytics_v4.db-journal
/data/data/####/i==1.2.0&&3.4.17_1594095411065_envelope.log
/data/data/####/i==1.2.0&&3.4.17_1594095422076_envelope.log
/data/data/####/info.xml
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/metrics_guid
/data/data/####/mipush.xml
/data/data/####/mipush_extra.xml
/data/data/####/mipush_extra.xml.bak
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/proc_auxv
/data/data/####/security_info
/data/data/####/tiny_data.data
/data/data/####/tiny_data.lock
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak (deleted)
/data/data/####/umeng_it.cache
/data/data/####/umeng_message_state.xml
/data/data/####/update.xml
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/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/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/.00000000000/39285EFA.dex --oat-fd=70 --oat-location=/data/user/0/<Package>/.11111111111/39285EFA.dex --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/cache/AndroidLogPlusXl_5.7.2.dex --oat-fd=86 --oat-location=/data/user/0/<Package>/app_android_log_plus_xl/AndroidLogPlusXl_5.7.2.dex --compiler-filter=speed
app_process /system/bin com.android.commands.pm.Pm list package -3
getprop
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

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

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

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

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Begriffe

Schulung und Training

Mythen

Technical information

Curing recommendations

Free trial