Adware.Gexin.18298

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) m####.manhu####.cn:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(HTTP/1.1) mhd.zhuishu####.com:80
TCP(HTTP/1.1) c####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) b####.g####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(TLS/1.0) z.c####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) gm.mm####.com:443
TCP(TLS/1.0) zb####.v.bsc####.cn:443
TCP(TLS/1.0) 1####.168.111.254:48213
TCP(TLS/1.0) c.c####.com:443
TCP(TLS/1.0) 1####.168.111.254:48212
TCP(TLS/1.0) is.sn####.com:443
TCP 1####.168.111.254:37564
TCP cm-1####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224
TCP 1####.168.111.254:48223

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
a####.u####.com
ap####.g####.com
b####.g####.com
b####.g####.com
c####.g####.com
c####.g####.com
c####.mm####.com
c-h####.g####.com
c.c####.com
cm-1####.ig####.com
d.1####.com
img.manhu####.cn
is.sn####.com
m####.manhu####.cn
mh####.manhu####.cn
mhd.zhuishu####.com
oc.u####.com
pub-####.qin####.com
s5.c####.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
z9.c####.com

HTTP GET requests:

b####.g####.com/api/addr.htm
mhd.zhuishu####.com/comic_v2/getproad?adgroupid=####&platformtype=####&m...
mhd.zhuishu####.com/comic_v2/ipinfo?appversion=####&apptype=####&type=##...
mhd.zhuishu####.com/comic_v2/ipinfo_h5?appVersionName=####&token=####&ap...
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_EDT369
q####.c####.l####.####.com/tdata_MkX219
q####.c####.l####.####.com/tdata_RTc910
q####.c####.l####.####.com/tdata_XeE960
q####.c####.l####.####.com/tdata_mtl581
ti####.c####.l####.####.com/tdata_hID123

HTTP POST requests:

a####.u####.com/app_logs
ap####.g####.com/bd
b####.g####.com/api.php?format=####&t=####
b####.g####.com/api.php?format=####&t=####&d=####&k=####
c####.g####.com/api.php?format=####&t=####
m####.manhu####.cn/MHD.Interface/api/Encryption/GetKey
mhd.zhuishu####.com/comic_v2/appversion?token=####&channel=####&appversi...
mhd.zhuishu####.com/comic_v2/getconfig?token=####&channel=####&appversio...
mhd.zhuishu####.com/comic_v2/gettoken
mhd.zhuishu####.com/comic_v2/userloginstatistic?token=####&channel=####&...
oc.u####.com/v2/check_config_update
oc.u####.com/v2/get_update_time
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jg.store.report_cf
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/Comics.db-journal
/data/data/####/ContextData.xml
/data/data/####/DownloadPath.xml
/data/data/####/FirstEnter.xml
/data/data/####/MultiDex.lock
/data/data/####/SHARED_PREFERENCES_TIME.xml
/data/data/####/ab38bd2f1f5a
/data/data/####/bugly_db_-journal
/data/data/####/com.android.comicsisland.xml
/data/data/####/com.free.comic.xml
/data/data/####/com.free.comic_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device_id.xml.xml
/data/data/####/downloader.db-journal
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/f_000011
/data/data/####/f_000012
/data/data/####/f_000013
/data/data/####/f_000014
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gin.db-journal
/data/data/####/gkt-journal
/data/data/####/gtc.db-journal
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/isTip.xml
/data/data/####/libjiagu-2128190948.so
/data/data/####/mobclick_agent_online_setting_com.free.comic.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/onlineconfig_agent_online_setting_com.free.comic.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/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_RTc910
/data/data/####/tdata_RTc910.jar
/data/data/####/tdata_XeE960
/data/data/####/tdata_XeE960.jar
/data/data/####/tdata_hID123-626087896.tmp
/data/data/####/tdata_hID123.jar
/data/data/####/tdata_mtl581
/data/data/####/tdata_mtl581.jar
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/welcomeadinfo.xml
/data/media/####/.nomedia
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.free.comic.bin
/data/media/####/com.free.comic.db
/data/media/####/com.free.comic_.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_MkX219
/data/media/####/tdata_RTc910
/data/media/####/tdata_XeE960
/data/media/####/tdata_hID123
/data/media/####/tdata_mtl581
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.free.push.MyPushService 24352 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.free.push.MyPushService 24352 300 0

Loads the following dynamic libraries:

Bugly
EncryptDecrypt
getuiext2
libjiagu-2128190948

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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