Android.BackDoor.2900

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.564.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) alibaba####.ten####.ali####.com:443
TCP(TLS/1.0) 64.2####.163.113:443
TCP(TLS/1.0) 1####.194.73.95:443
TCP(TLS/1.0) dot.wts.xi####.cn:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) 1####.217.19.202:443
TCP(TLS/1.0) cmsap####.ahea####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.2) 1####.217.19.202:443
TCP(TLS/1.2) 64.2####.163.113:443
TCP(TLS/1.2) 64.2####.161.94:443
TCP sdk.o####.t####.####.net:5224

DNS requests:

a####.u####.com
android####.go####.com
ap####.g####.com
c####.g####.com
cm-1####.g####.com
cmsap####.ahea####.com
cmswe####.ahea####.com
dot.wts.xi####.cn
ga####.lotu####.com
instant####.google####.com
l####.tbs.qq.com
log.u####.com
md####.google####.com
on####.lotu####.com
p####.google####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

d####.c####.l####.####.com/config/hzv9.conf

HTTP POST requests:

l####.tbs.qq.com/ajax?c=####&k=####

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/04ced8e039c10b3e2b7bf339c471c540.0
/data/data/####/AheadNews280.db-journal
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/PrefsFile.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_tmp_PRIORITIZED_3504_1620384893383
/data/data/####/_tmp_PRIORITIZED_3504_1620384893846
/data/data/####/_tmp_PRIORITIZED_3504_1620384895336
/data/data/####/alsn20170807.db
/data/data/####/alsn20170807.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/####/classes.oat
/data/data/####/com.aheading.news.jrfuding_preferences.xml
/data/data/####/core_info
/data/data/####/debug.conf
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gis.db-journal
/data/data/####/gtc.db-journal
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&4.0.08_1620384899354_dW5pZnlfbG9ncw==;.log
/data/data/####/i==1.2.0&&4.0.08_1620384988227_dW5pZnlfbG9ncw==;.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libjiagu.so
/data/data/####/lotuseed.apps
/data/data/####/lotuseed.lock
/data/data/####/lotuseed.s
/data/data/####/lotuseed.task
/data/data/####/lotuseed_global.xml
/data/data/####/lotuseed_main.xml
/data/data/####/metrics_guid
/data/data/####/pref.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/s==7.1.4&&4.0.08_1620384928182_dW1weF9zaGFyZQ==;.log
/data/data/####/share.db-journal
/data/data/####/t==9.3.6&&4.0.08_1620384898536_dW5pZnlfbG9ncw==;.log
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/the-real-index
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/um_session_id.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/umeng_zcfg_flag
/data/data/####/umeng_zero_cache.db
/data/data/####/umeng_zero_cache.db-journal
/data/data/####/umzid_general_config.xml
/data/data/####/umzid_general_config.xml.bak
/data/data/####/z==1.2.0&&4.0.08_1620384893029_emNmZw==;.log
/data/data/####/zy_unique_id.bin
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/com.aheading.news.jrfuding.bin
/data/media/####/com.aheading.news.jrfuding_.db
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/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 --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes3.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes4.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
getprop ro.product.cpu.abi
ls /
ls /sys/class/thermal
ps

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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