Adware.Gexin.758

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) m.d####.mob.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) 1####.25.200.19:8080
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) c####.im.ta####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP sdk.o####.t####.####.com:5224
TCP 1####.25.200.19:7890

DNS requests:

a####.exc.mob.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
c####.g####.ig####.com
c####.im.ta####.com
i####.ww.ta####.com
m.d####.mob.com
plb####.u####.com
res####.a####.com
sdk.c####.ig####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

m.d####.mob.com/v2/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
sni.c####.q####.####.net/config/hz-hzv3.conf

HTTP POST requests:

a####.exc.mob.com/errconf
and####.b####.qq.com/rqd/async

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.lock
/data/data/####/4840030369736.0
/data/data/####/Account-journal
/data/data/####/BQMMSDKVersion.xml
/data/data/####/Bqmm.db-journal
/data/data/####/SMSSDK_2.xml
/data/data/####/SMSSDK_VCODE_1.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/a==7.4.1&&1.3.6_1532945241338_envelope.log
/data/data/####/bqmm_keyword_emojis.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/com.zst.cloopen_preferences.xml
/data/data/####/com.zst.richspace_preferences.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&1.3.6_1532945239980_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libshella-2.8.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/####/mob_commons_1.xml
/data/data/####/native_record_lock
/data/data/####/package_downstate.xml
/data/data/####/pref.xml
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/space_db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ywPrefsTools.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/.slock
/data/media/####/.umm.dat
/data/media/####/alsn.db
/data/media/####/alsn.db-journal
/data/media/####/com.zst.richspace.bin

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/system/bin/sh -c getprop androVM.vbox_dpi
/system/bin/sh -c getprop gsm.sim.state
/system/bin/sh -c getprop gsm.sim.state2
/system/bin/sh -c getprop qemu.sf.fake_camera
/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.debuggable
/system/bin/sh -c getprop ro.genymotion.version
/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.secure
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.8.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop androVM.vbox_dpi
getprop gsm.sim.state
getprop gsm.sim.state2
getprop qemu.sf.fake_camera
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.debuggable
getprop ro.genymotion.version
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.secure
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
ls /
ls /sys/class/thermal
sh

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.8
libufix
neh
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-NoPadding
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.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

Gains access to information about contacts from the Contact list.

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