Adware.Gexin.17393

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
c-h####.g####.com
cm-1####.ig####.com
l####.tbs.qq.com
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
ti####.c####.l####.####.com/tdata_LRe817
ti####.c####.l####.####.com/tdata_OxN092
ti####.c####.l####.####.com/tdata_ZPR725
ti####.c####.l####.####.com/tdata_bca864

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
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/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1002
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/_umeng_common_config.xml
/data/data/####/bugly_db_-journal
/data/data/####/com.xcy.yitoutiao.BETA_VALUES.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzM2Njg2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzMwNzcy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzQyNTUz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzUxMTM5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzUzMjQ4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzY2Nzg1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzY5Nzcz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4NzcyODQw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4Nzg2MDUx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4Nzg4MzMy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTY2NDE4ODA1NDM0;
/data/data/####/download_upload
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f1672a86d025
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.0.7_1566418730827_envelope.log
/data/data/####/i==1.2.0&&1.0.7_1566418751182_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-497035136.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/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/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_OxN092
/data/data/####/tdata_OxN092.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/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/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xcy.yitoutiao.bin
/data/media/####/com.xcy.yitoutiao.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/media/####/tdata_LRe817
/data/media/####/tdata_OxN092
/data/media/####/tdata_ZPR725
/data/media/####/tdata_bca864
/data/media/####/test.log

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/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 24750 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop ro.product.cpu.abi
logcat -d -v threadtime
ls /
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.GeTuiPushService 24750 300 0

Loads the following dynamic libraries:

Bugly
X86Bridge
c++_shared
getuiext3
libjiagu-497035136
mmkv

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
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.

Adds tasks to the system scheduler.

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