Adware.Gexin.9744

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.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) api.map.b####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) b####.msx.b####.com:443
TCP(TLS/1.0) llx.jxm####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.map.b####.com
b####.msx.b####.com
c####.g####.ig####.com
c-h####.g####.com
llx.jxm####.com
log.u####.com
plb####.u####.com
pub-####.qin####.com
q.tinkerp####.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
t####.c####.q####.####.com/tdata_JNg986
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iRz660
t####.c####.q####.####.com/tdata_zzW503

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.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/####/.CMDatsetRequireDATA.dat
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0dfa6236af6c
/data/data/####/1002
/data/data/####/1004
/data/data/####/MultiDex.lock
/data/data/####/authStatus_com.bwton.msx.ncb.xml
/data/data/####/authStatus_com.bwton.msx.ncb;pushservice.xml
/data/data/####/b6ad899a9c202b62_version.info
/data/data/####/bugly_db_-journal
/data/data/####/bwt_advert.db-journal
/data/data/####/bwton.xml
/data/data/####/bwton_user_info.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.bwton.msx.ncb.BETA_VALUES.xml
/data/data/####/comm_biz_cache_version.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNDg1NDk5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNDg4MjIy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNDk1MTQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNDkxMDA3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTA0Njg4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTA5Nzgy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTAxNTI2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTE3NTEy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTEzNTM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTI0NzI3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTI4OTg4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTIxNDEx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTM1MDcz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTMzMDAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTUxOTMzNTQxNTg1;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.0.0_1551933485541_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu-565612596.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/patch_server_config.xml
/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/####/tdata_JNg986
/data/data/####/tdata_JNg986.jar
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iRz660
/data/data/####/tdata_iRz660.jar
/data/data/####/tdata_zzW503
/data/data/####/tdata_zzW503.jar
/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/####/umeng_socialize.xml
/data/data/####/version.lock
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.umm.dat
/data/media/####/2019-03-07.log
/data/media/####/2019-03-07.log.lck
/data/media/####/app.db
/data/media/####/bwtonid
/data/media/####/com.bwton.msx.ncb.bin
/data/media/####/com.bwton.msx.ncb.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_JNg986
/data/media/####/tdata_MkX219
/data/media/####/tdata_iRz660
/data/media/####/tdata_zzW503
/data/media/####/test.log

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
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.bwton.metro.push.BwtPushService 24662 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-565612596.so
getprop
logcat -d -v threadtime
ls /sys/class/thermal
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.bwton.metro.push.BwtPushService 24662 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
Bugly
getuiext2
imagepipeline
libjiagu-565612596
netsecsdk-4.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

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.

Displays its own windows over windows of other apps.

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