Adware.Gexin.22348

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) publi####.star-####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) 1####.250.179.138:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 1####.250.179.170:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) s.b####.g####.####.com:443
TCP(TLS/1.2) 1####.217.168.195:443
TCP(TLS/1.2) 1####.250.179.138:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP sdk.o####.t####.####.net:5224
TCP cm-1####.g####.com:5227

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
and####.cli####.go####.com
and####.google####.com
c-h####.g####.com
c.appj####.com
cm-1####.g####.com
instant####.google####.com
l####.tbs.qq.com
m####.go####.com
md####.google####.com
plb####.u####.com
publi####.star-####.com
s.b####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.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
publi####.star-####.com/404.html?n=####
publi####.star-####.com/banner/shouyepict
publi####.star-####.com/forum/info/list
publi####.star-####.com/ksong/new?page=####&perpage=####
publi####.star-####.com/leaderboards/feedrank
publi####.star-####.com/mutadmin/singerlist
publi####.star-####.com/song/iscanplay?id=####
publi####.star-####.com/songlist/recommend/songlist?page=####&number=####
publi####.star-####.com/user/getverioncfg?version=####&mobile_type=####&...
publi####.star-####.com/user/recommndlast?datatype=####&page=####&perpag...
publi####.star-####.com/user/recsong?page=####&perpage=####
s.b####.g####.####.com:443/rdmimg/hot_patch/771b07f630/05b85904-cc63-4ad...

HTTP POST requests:

al####.u####.com:443/unify_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
c.appj####.com/ad/splash/stats.html
l####.tbs.qq.com/ajax?c=####&k=####
plb####.u####.com:443/umpx_internal
publi####.star-####.com/community/follow
publi####.star-####.com/user/secretuser
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/SongDB.db-journal
/data/data/####/ad_show_time.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_-journal (deleted)
/data/data/####/classes.dex
/data/data/####/classes2.dex
/data/data/####/com.muta.yanxi.BETA_VALUES.xml
/data/data/####/config.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/d==7.5.3&&2.1.4_1642359524883_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359532554_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359534228_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359536248_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359538467_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359548357_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359561568_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359564127_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359567207_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359580834_envelope.log
/data/data/####/d==7.5.3&&2.1.4_1642359598178_envelope.log
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTExNjE3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTIyMjI0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTMwNDg5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTQ2Njc3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTU0OTAy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTYxNzY2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTc5Mjg3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTg5OTI5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQyMzU5NTk4Mjg3;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/i==1.2.0&&2.1.4_1642359511604_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359522258_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359530714_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359546674_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359554619_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359579260_envelope.log
/data/data/####/i==1.2.0&&2.1.4_1642359590089_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/jg_so_upgrade_setting.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/mobclick_agent_user_com.muta.yanxi.xml
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/user.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.muta.yanxi.bin
/data/media/####/com.muta.yanxi.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
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
getprop ro.product.cpu.abi
logcat -d -v threadtime
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about installed apps.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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