Adware.Gexin.9877

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) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) 2####.205.146.14:80
TCP(HTTP/1.1) et2-na6####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) i####.hon####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) andro####.hon####.com:443
TCP(TLS/1.0) i####.hon####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
andro####.hon####.com
c####.g####.ig####.com
c-h####.g####.com
i####.hon####.com
i####.hon####.com
log.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

HTTP GET requests:

et2-na6####.wagbr####.ali####.####.com/bar/get/52d637a756240b840c019238/...
i####.hon####.com/img/bangdan/2019.03.01.3yuehuodong540.jpg
i####.hon####.com/img/bangdan/2019.03.05.changganli.jpg
i####.hon####.com/img/bangdan/20190308.96298.540.jpg
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
ti####.c####.l####.####.com/config/hz-hzv3.conf

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/####/0da9da546ba611ee91af5484f263eb8a57bf1294d95872c....0.tmp
/data/data/####/3b25b0920c2d5c6f79b81ab03c5778096ede0fcbeb7ffc0....0.tmp
/data/data/####/46d27fd51b9d
/data/data/####/75e0ff634c36585ce35adc4cd64879b8c73275ce2587c9a....0.tmp
/data/data/####/985d74af44ffc729f751e57bfaa91756ebdd8231217fd6e....0.tmp
/data/data/####/FavDATA.xml
/data/data/####/MiscDATA.xml
/data/data/####/ReadSetting.xml
/data/data/####/c7e687ddabf3709d948ace039baf0f7cebfc7a4d17e4c96....0.tmp
/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/####/f_000001
/data/data/####/fistInstall.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hong.db
/data/data/####/hong.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-815112179.so
/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/####/sex_flag_name.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/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/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/-1253753873
/data/media/####/-792471269
/data/media/####/.nomedia
/data/media/####/13326646.sht
/data/media/####/13326648.sht
/data/media/####/13326650.sht
/data/media/####/13554191.sht
/data/media/####/13556487.sht
/data/media/####/13567778.sht
/data/media/####/13580804.sht
/data/media/####/13583973.sht
/data/media/####/13586186.sht
/data/media/####/13589063.sht
/data/media/####/13668030.sht
/data/media/####/13668035.sht
/data/media/####/13668043.sht
/data/media/####/13670110.sht
/data/media/####/13711805.sht
/data/media/####/13714124.sht
/data/media/####/13716911.sht
/data/media/####/13723796.sht
/data/media/####/13726703.sht
/data/media/####/13730122.sht
/data/media/####/13876547.sht
/data/media/####/13876551.sht
/data/media/####/13876556.sht
/data/media/####/13892106.sht
/data/media/####/13894116.sht
/data/media/####/13894124.sht
/data/media/####/13896800.sht
/data/media/####/13896814.sht
/data/media/####/13899498.sht
/data/media/####/13899504.sht
/data/media/####/1852680356
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.hongshu.bin
/data/media/####/com.hongshu.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/store_cache_grilzh_TW
/data/media/####/store_category_grilzh_TW
/data/media/####/store_free_grilzh_TW
/data/media/####/store_rank_grilzh_TW
/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:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.PushService 24129 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-815112179.so
getprop ro.product.cpu.abi
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.PushService 24129 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu-815112179

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-NoPadding
AES-ECB-PKCS5Padding

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.

Technologies

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Training and education

Myths

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