Android.DownLoader.4246

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.3887
Android.RemoteCode.41.origin
Android.Xiny.20
Android.Xiny.224.origin

Downloads the following detected threats from the Internet:

Android.Xiny.20

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) img.cool####.cn:80
TCP(HTTP/1.1) hd.a####.com:80
TCP(HTTP/1.1) adv.jpi####.com:80
TCP(HTTP/1.1) l####.c####.q####.####.net:80
TCP(HTTP/1.1) l.bjsd####.com:80
TCP(HTTP/1.1) cdn.1####.wang:80
TCP(HTTP/1.1) c.appj####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) k.zcul####.net:80
TCP(HTTP/1.1) api.51aiz####.cn:80
TCP(HTTP/1.1) z.c####.com:80
TCP(HTTP/1.1) z####.heyc####.net:80
TCP(HTTP/1.1) www.ye####.org:80
TCP(HTTP/1.1) d####.dd7####.com:80
TCP(HTTP/1.1) m####.z####.cn:80
TCP(HTTP/1.1) c.xz####.com:3350
TCP(HTTP/1.1) d.bjsd####.com:80
TCP(HTTP/1.1) b####.www.ye####.org:80
TCP(HTTP/1.1) www.a####.cn:8010
TCP(TLS/1.0) ip.mm####.cn:443
TCP(TLS/1.0) aliyuns####.oss-cn-####.aliy####.com:443
TCP(TLS/1.0) aliyuno####.oss-cn-####.aliy####.com:443

DNS requests:

7x####.dl1.z0.####.com
a.appj####.com
a.bjsd####.com
adv-u####.t####.u####.net
adv.jpi####.com
aliyuno####.oss-cn-####.aliy####.com
aliyuns####.oss-cn-####.aliy####.com
api.51aiz####.cn
b####.www.ye####.org
c.appj####.com
c.xz####.com
cdn.1####.wang
d####.dd7####.com
d.bjsd####.com
img.cool####.cn
ip.mm####.cn
k.zcul####.net
l.bjsd####.com
m####.z####.cn
mt####.go####.com
www.a####.cn
www.ye####.org
z####.heyc####.net
z9.c####.com

HTTP GET requests:

cdn.1####.wang/sc_160
d####.dd7####.com//upload/plog/dfkn.jar
d####.dd7####.com//upload/sdk2/SDK31dex20190220.jar
d####.dd7####.com//upload/sdk2/cjmob20190301.jar
d####.dd7####.com//upload/sdk2/clsdkdex20181129.jar
d####.dd7####.com//upload/sdk2/sdk04dex20190218.jar
d####.dd7####.com//upload/sdk3/Imgdex20190316.jar
d####.dd7####.com/upload/plog/N38de20181225.jar
d####.dd7####.com/upload/plog/mfgz.jar
hd.a####.com/android/adv/qsz/advsdk/release/advsdk-release.enc
hd.a####.com/android/adv/qsz/resource/ljsdk.dex
hd.a####.com/android/adv/qsz/resource/zl003sdk.dex
img.cool####.cn/201812/ww9.jar
l####.c####.q####.####.net/aristotle_20190305_v55.zip
www.a####.cn:8010/bookmng/m/book/getImage?id=####
www.a####.cn:8010/bookmng/m/book/list?s=####&c=####&bkCat=####
www.a####.cn:8010/resource/1461316805375611.mp3
z.c####.com/stat.htm?id=####&cnzz_eid=####

HTTP POST requests:

a.appj####.com/jiagu/check/upgrade
adv.jpi####.com/adv/dayActive
adv.jpi####.com/adv/getTask
adv.jpi####.com/adv/pluginFeedback
adv.jpi####.com/adv/pluginReq
adv.jpi####.com/adv/taskFedback
api.51aiz####.cn/api/cmcc/check?sdk=####&app=####
b####.www.ye####.org/i?requestId=####&g=####&ua=####
c.appj####.com/ad/splash/stats.html
c.xz####.com:3350/s/
d.bjsd####.com/index.php?r=####
k.zcul####.net/vsdk/a/t
l.bjsd####.com/index.php?r=####
m####.z####.cn/s
www.ye####.org/i?requestId=####&g=####&ua=####
z####.heyc####.net/getlist
z####.heyc####.net/xlogin

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.jg.ic
/data/data/####/61561a876896a2a77dd8fe35b4403c0b.db
/data/data/####/88GOLKLtpq.jar
/data/data/####/8JsHMM4UOa.jar
/data/data/####/8cgjTQK.jar
/data/data/####/99fa89db37b9859fdb387aa6b1199ad2.db
/data/data/####/A73A0540BCD4820052CCAC6FB86421A4.jar
/data/data/####/A73A0540BCD4820052CCAC6FB86421A4.tmp
/data/data/####/FairyTales.xml
/data/data/####/Iu39O4.jar
/data/data/####/LSpfT69.jar
/data/data/####/MIME.MF
/data/data/####/NDGBq57lSy.jar
/data/data/####/W_Key.xml
/data/data/####/ad_show_time.xml
/data/data/####/b19288e.dex
/data/data/####/cdsdfdse.xml
/data/data/####/cdsdfdse.xml.bak
/data/data/####/cdsdfdse.xml.bak (deleted)
/data/data/####/cf7c39d.dex
/data/data/####/cmcc.xml
/data/data/####/com.mlan.xcmxd.story_preferences.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/downloadswc
/data/data/####/downloadswc-journal
/data/data/####/dpi
/data/data/####/hid.db
/data/data/####/index
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/lYhJYTpQi9.jar
/data/data/####/libjiagu.so
/data/data/####/lmelNy.jar
/data/data/####/m379ybC.jar
/data/data/####/st.xml
/data/data/####/temp_file
/data/data/####/temp_file (deleted)
/data/data/####/vgsvfshq.data-journal
/data/data/####/webview.db-journal
/data/data/####/x9.so
/data/data/####/ycmgce
/data/data/####/ydzNak.jar
/data/data/####/z.xml
/data/media/####/.nid
/data/media/####/19f78faf1cda7c78cbb7a9990a9403b8.0
/data/media/####/2e8a5f83432ada2b90e381f57a2c36b0.0
/data/media/####/34e26a90fc04a27eed8ac61018461782.0
/data/media/####/5.0ww9.jar
/data/media/####/51a55329d95b368c5acf0b7aa5be94a8.0
/data/media/####/6e42c33a0446f2ca90bbf75cd4d8f4a1.0
/data/media/####/Imgdex20190316.jar
/data/media/####/N38de20181225.jar
/data/media/####/SDK31dex20190220.jar
/data/media/####/a5364873d5bb2f25055da608548e0f7c.0
/data/media/####/c1d053af8e5418156a88f7578b90e1b9.0
/data/media/####/c4f9023b421d279225b6e82306c5b89f.0
/data/media/####/c724d8b4260eb7ba5d2430dc0ce711fc.0
/data/media/####/cjmob20190301.jar
/data/media/####/clsdkdex20181129.jar
/data/media/####/dfkn.jar
/data/media/####/e923d44212ce7a63709084201ebd09d5.0
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/mfgz.jar
/data/media/####/restime.dat
/data/media/####/sdk04dex20190218.jar

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh
cat /sys/class/android_usb/android0/idProduct
cat /sys/class/android_usb/android0/idVendor
chmod 0755 <Package Folder>/app_ht_sdk/check/MIME.MF
chmod 0755 <Package Folder>/app_ht_sdk/check/x9.so
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop
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
ps

Loads the following dynamic libraries:

libjiagu

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
DES-CBC-PKCS5Padding
RSA
RSA-ECB-NoPadding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
ARCFOUR
DES
DES-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

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.

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