Adware.Gexin.18721

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ge####.r####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) f####.gst####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) y####.r####.cn:443
TCP(TLS/1.0) wa####.127.net:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) safebro####.google####.com:443
TCP(TLS/1.0) 2####.58.208.110:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.2) 1####.217.19.202:443
TCP cm-1####.ig####.com:5225
TCP cm-1####.ig####.com:5224
TCP cm-1####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
and####.google####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
cm-1####.ig####.com
cm-1####.ig####.com
dc1.network####.com
f####.gst####.com
ge####.r####.cn
instant####.google####.com
l####.tbs.qq.com
lbs.net####.im
log.u####.com
p####.google####.com
redi####.network####.com
safebro####.google####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
wa####.127.net
www.google####.com
y####.r####.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_SIq813
cdn-sdk####.g####.com.####.com/tdata_agG322
cdn-sdk####.g####.com.####.com/tdata_xEA084
ge####.r####.cn/app2615d8321d98807c/ffeeb7ffc0fcfa1f7103c0a386741150/1bb...
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_LRe817
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
ge####.r####.cn/app2615d8321d98807c/3db68f5962cfb88ad29fc52c5d0e20af/1bb...
ge####.r####.cn/app2615d8321d98807c/fc58dc23dfd00082eaafd7a665b27ae1/1bb...
sdk-ope####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.lock
/data/data/####/1004
/data/data/####/57579599
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/NBSCrashStore.xml
/data/data/####/NIMSDK_Config_7eb3250d9fac37b3d186a46d27c8c0aa.xml
/data/data/####/Provider_DB
/data/data/####/Provider_DB-journal
/data/data/####/SPUtils.xml
/data/data/####/afinal.db-journal
/data/data/####/bd1ba05f2cb2
/data/data/####/bugly_db_
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/com.networkbench.agent.impl.v2_com.shinyv.cnr.x...leted)
/data/data/####/com.networkbench.agent.impl.v2_com.shinyv.cnr.xml
/data/data/####/com.networkbench.agent.impl.v2_com.shinyv.cnr.xml.bak
/data/data/####/com.shinyv.cnr_preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc0OTQ0Mzg2MDY5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc0OTQ0Mzk3MzUz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc0OTQ0NDA2Njg2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc0OTQ0NDEzMzQ5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc0OTQ0NDI2MDQz;
/data/data/####/download_upload
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/framekelmssp_scyt_200.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&5.9.0.2016_1574944386043_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_SIq813
/data/data/####/tdata_SIq813.dex
/data/data/####/tdata_SIq813.dex.flock (deleted)
/data/data/####/tdata_SIq813.jar
/data/data/####/tdata_agG322
/data/data/####/tdata_agG322.dex
/data/data/####/tdata_agG322.dex.flock (deleted)
/data/data/####/tdata_agG322.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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 --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --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>/files/tdata_SIq813.jar --oat-fd=46 --oat-location=/data/user/0/<Package>/files/tdata_SIq813.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>/files/tdata_agG322.jar --oat-fd=46 --oat-location=/data/user/0/<Package>/files/tdata_agG322.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>/files/tdata_xEA084.jar --oat-fd=42 --oat-location=/data/user/0/<Package>/files/tdata_xEA084.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
getprop
ls /sys/class/thermal
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

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

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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