Adware.Gexin.19208

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) 59.1####.160.194:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) www.h####.com:80
TCP(SSL/3.0) page-gl####.h####.com:443
TCP(SSL/3.0) static-####.h####.com:443
TCP(TLS/1.0) thi####.q####.cn:443
TCP(TLS/1.0) page-gl####.h####.com:443
TCP(TLS/1.0) ip####.io:443
TCP(TLS/1.0) api-gl####.h####.com:443
TCP(TLS/1.0) sett####.crashly####.com:443
TCP(TLS/1.0) tvaw####.g####.sina####.com:443
TCP(TLS/1.0) static-####.h####.com:443
TCP cm-1####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.exc.mob.com
a####.u####.com
api.h####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
ip####.io
l####.tbs.qq.com
page-gl####.h####.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
static-####.h####.com
t####.sin####.cn
thi####.q####.cn
www.h####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_JmH262
cdn-sdk####.g####.com.####.com/tdata_pKX830
q####.c####.l####.####.com/config/hz-hzv6.conf
sdk.o####.p####.####.com/api/addr.htm
www.h####.com/download/android/update

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/-121059597-1236628742
/data/data/####/-129874696223852477
/data/data/####/-1641767389-2047257773
/data/data/####/-1641767389-2047257778
/data/data/####/-1648228464-577298788
/data/data/####/-1946587196-990686619
/data/data/####/-21332756821716873623
/data/data/####/-463161044387535724
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/1031022224524163337
/data/data/####/1529152624-2123915948
/data/data/####/1700478278313586425
/data/data/####/18230179431636261030
/data/data/####/18852053841038294024
/data/data/####/268851777-78804085
/data/data/####/7893571381388182823
/data/data/####/FirstTimeUsed.xml
/data/data/####/SMSSDK_VCODE_1.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/TwitterAdvertisingInfoPreferences.xml
/data/data/####/b300a50f003d
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.crashlytics.prefs.xml
/data/data/####/core_info
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/mob_sdk_exception_1.xml
/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/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_JmH262
/data/data/####/tdata_JmH262.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.nomedia
/data/media/####/000.html
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/net.hrmes.hrmestv.bin
/data/media/####/net.hrmes.hrmestv.db
/data/media/####/tbslog.txt
/data/media/####/tdata_CoH340
/data/media/####/tdata_JmH262
/data/media/####/tdata_pKX830
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.Service.HykuPushService 24739 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop ro.product.cpu.abi
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.Service.HykuPushService 24739 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu
neh
pl_droidsonroids_gif
smssdk

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Uses special library to hide executable bytecode.

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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