Adware.Gexin.12340

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) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) huobigl####.zen####.com:443
TCP(TLS/1.0) w####.hbg.com:443
TCP(TLS/1.0) e.crashly####.com:443
TCP(TLS/1.0) www.h####.com:443
TCP(TLS/1.0) 1####.217.17.46:443
TCP(TLS/1.0) sett####.crashly####.com:443
TCP(TLS/1.0) www.h####.br.com:443
TCP(TLS/1.0) dm.h####.com:443
TCP(TLS/1.0) app-mea####.com:443
TCP(TLS/1.0) t####.growi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP sdk.o####.t####.####.com:5224
UDP 1####.168.103.1:137
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
api.growi####.com
app-mea####.com
c####.g####.ig####.com
c-h####.g####.com
dm.h####.com
dm.h####.com
e.crashly####.com
huobigl####.zen####.com
pub-####.qin####.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
sett####.crashly####.com
t####.growi####.com
t.growi####.com
w####.hbg.com
www.h####.br.com
www.h####.com
www.h####.com
y####.al####.org

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT369
t####.c####.q####.####.com/config/hz-hzv6.conf
t####.c####.q####.####.com/tdata_Cta775
t####.c####.q####.####.com/tdata_RyW085
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_lOE499

HTTP POST requests:

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/####/.jg.ic
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/2034ea2c7ebc
/data/data/####/468b440011464abf8f133d60bd2ceed0.0.tmp
/data/data/####/468b440011464abf8f133d60bd2ceed0.1.tmp
/data/data/####/468b440011464abf8f133d60bd2ceed0.1.tmp (deleted)
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0BeginSession.cls_temp
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0BeginSession.json
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionApp.cls_temp
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionApp.json
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionDevice.cls_temp
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionDevice.json
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionOS.cls_temp
/data/data/####/5CB4A2010065-0001-0926-4658CAB4F6D0SessionOS.json
/data/data/####/MultiDex.lock
/data/data/####/Q0VSVC5SU0EK.txt926
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/SG_INNER_DATA
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/TwitterAdvertisingInfoPreferences.xml
/data/data/####/com.crashlytics.prefs.xml
/data/data/####/com.crashlytics.sdk.android;answers;settings.xml
/data/data/####/com.crashlytics.settings.json
/data/data/####/com.google.InstanceId.properties
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/config_username.xml
/data/data/####/crashlytics-userlog-5CB4A2010065-0001-0926-4658...mp.tmp
/data/data/####/dc50686e7e0d221cc7
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/google_app_measurement.db-journal
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growing_server_pref.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/initialization_marker
/data/data/####/io.fabric.sdk.android;fabric;io.fabric.sdk.android.l.xml
/data/data/####/journal.tmp
/data/data/####/libjiagu2147168312.so
/data/data/####/libsgmain_312768000000.zip.tmp.2342
/data/data/####/libsgmainso-5.4.56.so.tmp.2342
/data/data/####/lock.lock
/data/data/####/multidex.version.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/####/run.pid
/data/data/####/sa_99534297-9eee-418d-ab4e-aefa266c4dfc_1555341829897.tap
/data/data/####/sa_a0ecc469-2f64-449b-9c17-97db09cc14ac_1555341825789.tap
/data/data/####/session_analytics.tap
/data/data/####/session_analytics.tap.tmp
/data/data/####/sgFile.lock
/data/data/####/sp.lock
/data/data/####/tdata_Cta775
/data/data/####/tdata_Cta775.jar
/data/data/####/tdata_RyW085
/data/data/####/tdata_RyW085.jar
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_lOE499
/data/data/####/tdata_lOE499.jar
/data/data/####/user_config.xml
/data/media/####/.nomedia
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dd7893586a493dc3
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/hid.dat
/data/media/####/pro.huobi.bin
/data/media/####/pro.huobi.db
/data/media/####/tdata_Cta775
/data/media/####/tdata_RyW085
/data/media/####/tdata_YYn966
/data/media/####/tdata_lOE499
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/dc50686e7e0d221cc7
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.huobi.push.GeTuiPushService 23918 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.build.version.release
mount

Loads the following dynamic libraries:

getuiext2
libjiagu2147168312
sgmainso-5.4

Uses the following algorithms to encrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding

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.

Displays its own windows over windows of other apps.

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