Adware.Gexin.691

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) hswif####.dftou####.com:80
TCP(HTTP/1.1) a####.w####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cm####.w####.com:80
TCP(HTTP/1.1) sdk.o####.lbs.####.com:80
TCP(HTTP/1.1) ope####.l####.360.cn:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) lmp.abe####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ad####.w####.com.####.com:80
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) sgv-ne####.w####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) lmp.abe####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.w####.com
ad####.w####.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
cm####.w####.com
hswif####.dftou####.com
lmp.abe####.com
log.u####.com
ope####.l####.360.cn
res####.a####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.lbs.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sgv-ne####.w####.com

HTTP GET requests:

ad####.w####.com.####.com/uploads/lib/hsaddtk_v11.o
ope####.l####.360.cn/v2/access_token?ts=####&rn=####&ap=####&sign=####&p...
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_JmZ606
sni.c####.q####.####.net/tdata_dVs968
sni.c####.q####.####.net/tdata_sCR120
sni.c####.q####.####.net/tdata_vxj811

HTTP POST requests:

a####.w####.com/v1/ad
a####.w####.com/v1/config/sync
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
cm####.w####.com//uSystem/v1/link/getUserData
cm####.w####.com/uSystem/v1/userInfo
cm####.w####.com/v1/city/list
cm####.w####.com/v1/nav/list
cm####.w####.com/v1/version/upgrade
cm####.w####.com/v2/adNew/config
cm####.w####.com/v2/clientConfig/list
cm####.w####.com/v2/linkPage/config
cm####.w####.com/v3/channel/list
hswif####.dftou####.com/newskey/code
lmp.abe####.com/lmp/baseinfo/report
sdk.o####.lbs.####.com/api.htm?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/-1503609214-471281025
/data/data/####/-1505772727-377298813
/data/data/####/-1505772727330094904
/data/data/####/-17954604592085771331
/data/data/####/-18368152921988203838
/data/data/####/-1976348912-265691833
/data/data/####/-5155327942075051895
/data/data/####/1004
/data/data/####/1198352672-1595464421
/data/data/####/1532738431457.log
/data/data/####/2035092564910.0
/data/data/####/3563898871042933663
/data/data/####/3563898871869795348
/data/data/####/35638988778779427
/data/data/####/ConnPreference.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/connplat_sdk.db-journal
/data/data/####/crashrecord.xml
/data/data/####/daemon
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gks_download.db-journal
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/hs_1532738430625_-2100545358.jar (deleted)
/data/data/####/hs_1532738432880_-2098633123.jar
/data/data/####/hsad.db
/data/data/####/hsad.db-journal
/data/data/####/hsad.xml
/data/data/####/hsad_1532738429347_-266070404.jar
/data/data/####/hsad_download.db
/data/data/####/hsad_download.db-journal
/data/data/####/hsbb.db-journal
/data/data/####/hspick.db
/data/data/####/hspick.db-journal
/data/data/####/hspick.xml
/data/data/####/hswifi_download.db
/data/data/####/hswifi_download.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jks.db-journal
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libnfix.so
/data/data/####/libshella-2.10.4.1.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/pref.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/sdk_info_sp.xml
/data/data/####/security_info
/data/data/####/tdata_JmZ606
/data/data/####/tdata_JmZ606.jar
/data/data/####/tdata_dVs968
/data/data/####/tdata_dVs968.jar
/data/data/####/tdata_sCR120
/data/data/####/tdata_sCR120.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/media/####/alsn.db
/data/media/####/alsn.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.nfyg.hsbb.bin
/data/media/####/com.nfyg.hsbb.db
/data/media/####/config.ini
/data/media/####/hsaddtk_v11.o.tmp
/data/media/####/tdata_JmZ606
/data/media/####/tdata_dVs968
/data/media/####/tdata_sCR120
/data/media/####/tdata_vxj811
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.services.getui.GetuiPushService 24262 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/app_bin/daemon
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.10.4.1.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
mars_d -p <Package> -s <Package>.services.keeplive.SlaveService -p1r 45 -p1w 46 -p2r 47 -p2w 49
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.services.getui.GetuiPushService 24262 300 0

Loads the following dynamic libraries:

Bugly
daemon_api20
getuiext2
libnfix
libshella-2.10.4.1
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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