Android.BackDoor.3076

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.564.origin

Threat detection based on machine learning.

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) a####.b####.qq.com:8012
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) cmswe####.ahea####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.2) 1####.251.36.46:443
TCP(TLS/1.2) www.google####.com:443
TCP dot.wts.xi####.cn:443
UDP www.google####.com:443

DNS requests:

a####.b####.qq.com
a####.u####.com
aexcep####.b####.qq.com
and####.b####.qq.com
ap####.g####.com
c####.g####.com
cmsap####.ahea####.com
cmswe####.ahea####.com
dot.wts.xi####.cn
ga####.lotu####.com
l####.tbs.qq.com
log.u####.com
m####.go####.com
md####.google####.com
on####.lotu####.com
plb####.u####.com
q####.ahea####.com
res####.a####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
votea####.ahea####.com
www.google####.com

HTTP GET requests:

cmswe####.ahea####.com:443//api/Article/List4PersonalizedRecommender?New...
cmswe####.ahea####.com:443/api/Article/Classify?Pidx=####&TypeId=####&To...
cmswe####.ahea####.com:443/api/Article/GetClassifyLastUpdateDate?Type=##...
cmswe####.ahea####.com:443/api/Article/List?PageIndex=####&ClassifyType=...
cmswe####.ahea####.com:443/api/Article/ListYanBian?Type=####&t=####&Clas...
cmswe####.ahea####.com:443/api/Article/TouchNewsList?Width=####&Height=#...
cmswe####.ahea####.com:443/api/Classify/QueryClassify?CityID=####&MenuTy...
cmswe####.ahea####.com:443/api/HotActivity?HotCount=####&NewsPaperGroupI...
cmswe####.ahea####.com:443/api/Newspaper/GetNewspaperGroup?Id=####
cmswe####.ahea####.com:443/api/Newspaper/GetUpdateTimeStamp?NewspaperGro...
cmswe####.ahea####.com:443/api/Region/GetWeather?Id=####
cmswe####.ahea####.com:443/api/ServiceLinkApi/GetServiceLinkTypeList?Typ...
cmswe####.ahea####.com:443/api/SilderActivity?SliderCount=####&NewsPaper...
ti####.c####.l####.####.com/8008/2021/01-22/548e6898f41b4db88de67aeb7819...
ti####.c####.l####.####.com/8008/2021/08-13/45043237306543ee9de1bc40c7bb...
ti####.c####.l####.####.com/8008/2021/12-03/1fdf822a0e354db2ac748c9cb9b8...
ti####.c####.l####.####.com/8008/2022/04-01/326d29811dbb4b3ca231d00b49f2...
ti####.c####.l####.####.com/8008/2022/04-28/045f20dfae8742669abce5153304...
ti####.c####.l####.####.com/8008/2022/05-30/1d398c3ebfcc49fd8ac7b23458dd...
ti####.c####.l####.####.com/8008/2022/06-05/c50747e578064668a9f97dd798d5...

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async?aid=####
a####.b####.qq.com:8012/rqd/async?aid=####
a####.u####.com/app_logs
al####.u####.com:443/unify_logs
and####.b####.qq.com/rqd/async?aid=####
ap####.g####.com/bd
cmswe####.ahea####.com:443/api/Device/SaveDetailInfo
res####.a####.com:443/v3/iasdkauth?key=####&ts=####&scode=####

File system changes:

Creates the following files:

/data/data/####/.dex2oatlock
/data/data/####/.imprint
/data/data/####/.updateIV.dat
/data/data/####/.updateIV.dat_0
/data/data/####/.updateIV.dat_1
/data/data/####/0000000lllll_0.dex
/data/data/####/0000000lllll_1.dex
/data/data/####/000O00ll111l_0.dex
/data/data/####/000O00ll111l_1.dex
/data/data/####/00O000ll111l_0.dex
/data/data/####/00O000ll111l_0.dex (deleted)
/data/data/####/00O000ll111l_0.dex.flock
/data/data/####/00O000ll111l_0.dex.flock (deleted)
/data/data/####/00O000ll111l_1.dex
/data/data/####/00O000ll111l_1.dex (deleted)
/data/data/####/00O000ll111l_1.dex.flock
/data/data/####/00O000ll111l_1.dex.flock (deleted)
/data/data/####/0OO00l111l1l
/data/data/####/0OO00l111l1l.lock
/data/data/####/1004
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/2ac4c0f76e4ad9fc092ce9555b0bae8e1af3edd341232bb....0.tmp
/data/data/####/59dbe4ae66626350848567785af5985b720601f3afc7023....0.tmp
/data/data/####/921aeddacc60244b9229f6975b14daf8d47796ed921137c...df4a.0
/data/data/####/AheadNews280.db
/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_NORMAL_3618_1654478017093
/data/data/####/_tmp_PRIORITIZED_3618_1654478017274
/data/data/####/_tmp_PRIORITIZED_3618_1654478017555
/data/data/####/_tmp_PRIORITIZED_3746_1654478029810
/data/data/####/_tmp_PRIORITIZED_3746_1654478033118
/data/data/####/_tmp_PRIORITIZED_3746_1654478045265
/data/data/####/_tmp_PRIORITIZED_4544_1654478054296
/data/data/####/_tmp_PRIORITIZED_4544_1654478055325
/data/data/####/_tmp_PRIORITIZED_4544_1654478070736
/data/data/####/_tmp_PRIORITIZED_5103_1654478078497
/data/data/####/a3081774b11198c58e2c8b4ed1e5615a7d337898efeab6a....0.tmp
/data/data/####/a6baf5fc732d0d5e35db34998e6699e42c7a9640188405d....0.tmp
/data/data/####/bugly_db_yaq-journal
/data/data/####/bullet_PRIORITIZED_3746_1654478029810
/data/data/####/bullet_PRIORITIZED_3746_1654478033099
/data/data/####/bullet_PRIORITIZED_3746_1654478033118
/data/data/####/c0586a10777146560765a69231d89beb.xml
/data/data/####/com.aheading.news.yulinrb_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNjU0NDc4MDIxMTM1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjU0NDc4MDU1NTcx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjU0NDc4MDgxODAx;
/data/data/####/debug.conf
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f55d8e3f9245ac4c087d3bbf5b3f73fd201c465af02f2f1....0.tmp
/data/data/####/getui_sp.xml
/data/data/####/gis.db
/data/data/####/gis.db-journal
/data/data/####/gtc.db-journal
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&3.4.09_1654478021056_envelope.log
/data/data/####/i==1.2.0&&3.4.09_1654478055619_envelope.log
/data/data/####/i==1.2.0&&3.4.09_1654478081806_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/k.store
/data/data/####/libshellx-super.2019.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/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/####/map_record.txt
/data/data/####/metrics_guid
/data/data/####/mobclick_agent_cached_com.aheading.news.yulinrb3409
/data/data/####/native_record_lock
/data/data/####/o0oooOO0ooOo.dat
/data/data/####/pref.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/reg_record.txt
/data/data/####/rqd_record.eup
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/the-real-index
/data/data/####/tomb.zip
/data/data/####/tomb_1654478022780.txt
/data/data/####/tomb_1654478042246.txt
/data/data/####/tomb_1654478054714.txt
/data/data/####/tomb_1654478078831.txt
/data/data/####/tosversion
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_general_config.xml.bak (deleted)
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/zy_unique_id.bin
/data/media/####/1654478023794.db (deleted)
/data/media/####/1654478056581.db
/data/media/####/1654478085423.db (deleted)
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/com.aheading.news.yulinrb.bin
/data/media/####/crash-2022-06-06-04-14-07-1654478047278.log
/data/media/####/crash-2022-06-06-04-14-32-1654478072789.log
/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/sh -c getprop
getprop ro.product.cpu.abi
logcat -d -v threadtime -s dalvikvm art zygote zygote64 OpenGLRenderer Bugly-libunwind:S
logcat -t 1000 -v threadtime Bugly-libunwind:S
ls /
ls /data/local
ls /sys/class/thermal
ps

Loads the following dynamic libraries:

libBugly-yaq
libgetuiext3
libshellx-super.2019

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

テクノロジー

用語

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