Adware.Gexin.19034

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) f####.fengkon####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) cloud####.fengkon####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) sdk.cre####.com:443
TCP(TLS/1.0) 1####.217.17.78:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 1####.217.168.202:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
and####.google####.com
api.aixinyo####.com
api.aixinyo####.com.####.8
c-h####.g####.com
cdn-sdk####.g####.com
cloud####.fengkon####.com
cm-1####.ig####.com
df.baiq####.com
f####.fengkon####.com
fp.fraudme####.cn
instant####.google####.com
l####.tbs.qq.com
m####.go####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.cre####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_SIq813
cdn-sdk####.g####.com.####.com/tdata_agG322
cdn-sdk####.g####.com.####.com/tdata_xEA084
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_LRe817
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
cloud####.fengkon####.com/v2/device/conf
cloud####.fengkon####.com/v2/device/profile
f####.fengkon####.com/v2/device/profile
l####.tbs.qq.com/ajax?c=####&k=####
sdk-ope####.g####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/XNSDKStore1.0.xml
/data/data/####/XNclientid.xml
/data/data/####/XNmachineid.xml
/data/data/####/a98161d2e3a17e6fb3800ff5576b3894
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/com.hy.axypaz_preferences.xml
/data/data/####/com.shumei.xml
/data/data/####/common_js
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/creditx.conf.xml
/data/data/####/creditx.conf.xml.bak
/data/data/####/creditx.db-journal
/data/data/####/cxduid
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fm_shared.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/isSplash.xml
/data/data/####/journal.tmp
/data/data/####/kf_10513_ISME9754_guest967540457835142529159552...ournal
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/metrics_guid
/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/####/seq.xml
/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/####/td_fm.dex
/data/data/####/td_fm.dex.flock (deleted)
/data/data/####/td_fm.jar
/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
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/xiaorong.xml
/data/data/####/xnsdkconfig.xml
/data/data/####/xnsdkconfig.xml.bak
/data/data/####/xnsdkconfig.xml.bak (deleted)
/data/data/####/xpush.xml
/data/data/####/xpush.xml.bak
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/dex2oat --instruction-set=arm --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>/cache/td_fm.jar --oat-fd=59 --oat-location=/data/user/0/<Package>/cache/td_fm.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_SIq813.jar --oat-fd=50 --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=61 --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=59 --oat-location=/data/user/0/<Package>/files/tdata_xEA084.dex --compiler-filter=speed
/system/bin/sh -c type su
getprop
getprop dalvik.vm.heapgrowthlimit
getprop dalvik.vm.heapsize
getprop dalvik.vm.heapstartsize
getprop ro.build.characteristics
getprop ro.kernel.qemu
getprop ro.product.cpu.abi
ls -l /system/bin/su
ls -l /system/xbin/su

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-ECB-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
AES-GCM-NoPadding
DES-ECB-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.

Gets information about running apps.

Displays its own windows over windows of other apps.

Gets information about incoming/outgoing calls.

Gets information about sent/received SMS.

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