Android.RemoteCode.4627

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.363.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) z.c####.com:80
TCP(HTTP/1.1) z####.heyc####.net:80
TCP(HTTP/1.1) a.bjsd####.com:80
TCP(HTTP/1.1) ex####.sn####.com:80
TCP(HTTP/1.1) mult####.ug####.com:28077
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) d####.dd7####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) d.bjsd####.com:80
TCP(HTTP/1.1) s####.i####.net:80
TCP(HTTP/1.1) g####.mc####.com:9013
TCP(HTTP/1.1) h####.i####.net:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) lhyysdk####.oss-cn-####.aliy####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 2####.58.208.110:443
TCP(TLS/1.0) ex####.sn####.com:443
TCP(TLS/1.0) i.sn####.com:443
TCP(TLS/1.0) is.sn####.com:443

DNS requests:

a####.b####.qq.com
a.bjsd####.com
aexcep####.b####.qq.com
aliyuno####.oss-cn-####.aliy####.com
and####.b####.qq.com
d####.dd7####.com
d.bjsd####.com
ex####.sn####.com
g####.mc####.com
h####.i####.net
i.sn####.com
is.sn####.com
lhyysdk####.oss-cn-####.aliy####.com
log.sn####.com
mult####.ug####.com
nfsjar####.funu####.com
plb####.u####.com
s####.i####.net
sf1-ttc####.ps####.com
u####.u####.com
v####.ix####.com
z####.heyc####.net
z2.c####.com
z5.c####.com
z9.c####.com

HTTP GET requests:

d####.dd7####.com//upload/sdk2/Imgdex20190326.jar
d####.dd7####.com//upload/sdk2/LHYY20190402.jar
d####.dd7####.com//upload/sdk2/SDK31dex20190220.jar
d####.dd7####.com//upload/sdk2/clsdkdex20181129.jar
d####.dd7####.com//upload/sdk2/sdk04dex20190218.jar
d####.dd7####.com//upload/sdk3/cjmob20190301.jar
d####.dd7####.com//upload/sdk3/papp20190412.jar
d####.dd7####.com/upload/plog/N38de20181225.jar
d####.dd7####.com/upload/plog/mfgz.jar
ex####.sn####.com/543a457ca37ff820b368d7148c7b4914/5cd19fb2/video/m/220f...
sf1-ttc####.ps####.com/img/ad.union.api/0a7a9cd5dfe64d748413068edf823d3b...
sf1-ttc####.ps####.com/img/mosaic-legacy/20240000356e8f64ca118~c1_1080x1...
z.c####.com/stat.htm?id=####&cnzz_eid=####

HTTP POST requests:

a.bjsd####.com/index.php?r=####
aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
d.bjsd####.com/index.php?r=####
ex####.sn####.com/service/2/app_log_exception/?openudid=####&version_nam...
g####.mc####.com:9013/nfs/nf_s/u_j
h####.i####.net/api/sdkInit
h####.i####.net/api/sdkadtrigger
mult####.ug####.com:28077/
s####.i####.net/api/adStat
z####.heyc####.net/getlist
z####.heyc####.net/xlogin

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/1004
/data/data/####/1557251942697
/data/data/####/1557251944606
/data/data/####/1557251970356
/data/data/####/1557251971922
/data/data/####/2094700396.jar
/data/data/####/MultiDex.lock
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/a==7.5.4&&1.1_1557251942240_envelope.log
/data/data/####/ad.vv.sdk.xml
/data/data/####/adCache.xml
/data/data/####/alias.xml
/data/data/####/app_crash_copy.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/com.mars.fkbqb_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTU3MjUxOTQwMjky;
/data/data/####/downloader.db-journal
/data/data/####/dpi
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/hid.db
/data/data/####/i==1.2.0&&1.1_1557251940336_envelope.log
/data/data/####/info.xml
/data/data/####/libshella-3.0.0.0.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/marsprefile.xml
/data/data/####/mix.dex
/data/data/####/mtDedat
/data/data/####/mtEndat
/data/data/####/mt_support.jar
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/nhgbbpxz.xml
/data/data/####/nhgbbpxz.xml.bak
/data/data/####/ombjhvs.data-journal
/data/data/####/security_info
/data/data/####/sfgjkryy.data-journal
/data/data/####/sp.data.xml
/data/data/####/sp_reward_video_adslot.xml
/data/data/####/tt_sdk_settings.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/ugmarssp.xml
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/xsawid.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nid
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/63fee6dba8152aea05fb80999582f457
/data/media/####/63fee6dba8152aea05fb80999582f457.tmp
/data/media/####/Imgdex20190326.jar
/data/media/####/LHYY20190402.jar
/data/media/####/N38de20181225.jar
/data/media/####/SDK31dex20190220.jar
/data/media/####/cjmob20190301.jar
/data/media/####/clsdkdex20181129.jar
/data/media/####/mfgz.jar
/data/media/####/papp20190412.jar
/data/media/####/sdk04dex20190218.jar

Miscellaneous:

Executes the following 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
/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
cat /sys/class/android_usb/android0/idProduct
cat /sys/class/android_usb/android0/idVendor
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-3.0.0.0.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.letv.release.version
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
ls -l /dev
ls -l /dev/block
ls -l /dev/block/vold
ls -l /dev/bus
ls -l /dev/bus/usb
ls -l /dev/bus/usb/001
ls -l /dev/com.android.settings.daemon
ls -l /dev/cpuctl
ls -l /dev/cpuctl/apps
ls -l /dev/cpuctl/apps/bg_non_interactive
ls -l /dev/graphics
ls -l /dev/input
ls -l /dev/log
ls -l /dev/pts
ls -l /dev/snd
ls -l /dev/socket
ls /
ls /sys/class/thermal
ps

Loads the following dynamic libraries:

Bugly
cocos2djs
libnfix
libshella-3.0.0.0
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES

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.

Gets information about running apps.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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