Android.Packed.44605

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.DownLoader.2083
Android.DownLoader.546.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) api.gaoka####.cn:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) a1.eas####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) www.eas####.com:80
TCP(TLS/1.0) 1####.217.20.78:443

DNS requests:

a####.exc.mob.com
a1.eas####.com
api.gaoka####.cn
api.gaoka####.cn
api.s####.mob.com
ip.gaoka####.cn
loc.map.b####.com
reso####.gaoka####.cn
www.eas####.com

HTTP GET requests:

api.gaoka####.cn/Resource/document/20190415/2019041516151969278538403955...
api.gaoka####.cn/Resource/document/20190415/2019041516381434224151109286...
api.gaoka####.cn/Resource/document/20190415/2019041516470629846135034401...
api.gaoka####.cn/images/document/b.png
api.gaoka####.cn/images/document/c.png
api.gaoka####.cn/images/document/h.png
api.gaoka####.cn/images/document/p.png
api.gaoka####.cn/images/document/x.png
api.gaoka####.cn/inc/css/base.css
api.gaoka####.cn/inc/js/jquery-1.8.3.js
api.gaoka####.cn/ip.json
api.gaoka####.cn/resource/ck_images/20190415164216052844624641588193.jpg
api.gaoka####.cn/resource/default/2019-03-04141148.jpg
api.gaoka####.cn/resource/default/201943174519.jpg
api.gaoka####.cn/resource/image/201638164455.png
api.gaoka####.cn/resource/image/2016429172256.png
api.gaoka####.cn/resource/image/2016429172609.png
api.gaoka####.cn/resource/image/2016614134317.png
api.gaoka####.cn/resource/image/2016616105737.png
api.gaoka####.cn/resource/image/2016616105759.png
api.gaoka####.cn/resource/image/2016616105906.png
api.gaoka####.cn/resource/image/2016712153723.png
api.gaoka####.cn/resource/image/201691991643.png
api.gaoka####.cn/web/document/default.cshtml?documentID=####
www.eas####.com/easemob/server.xml?sdk_version=####&app_key=####&file_ve...

HTTP POST requests:

a####.exc.mob.com/errconf
a1.eas####.com/mingthink/mtgkm/devices
api.gaoka####.cn/action/common.ashx
api.s####.mob.com/conf4
api.s####.mob.com/conn
api.s####.mob.com/data2
api.s####.mob.com/log4
api.s####.mob.com/snsconf
loc.map.b####.com/offline_loc
loc.map.b####.com/sdk.php

File system changes:

Creates the following files:

/data/data/####/-17864012891185388720
/data/data/####/-17873546011185388720
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/755233654-1212371001
/data/data/####/JPushSA_Config.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_last_session.json
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.mingthink.eijflygaokao.odex
/data/data/####/com.mingthink.eijflygaokao.zip
/data/data/####/com.mingthink.eijflygaokao_preferences.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/db_public-journal
/data/data/####/device_id.xml.xml
/data/data/####/dialogvalue.xml
/data/data/####/easemob.sdk.pref.xml
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/firll.dat
/data/data/####/index
/data/data/####/jpush_stat_cache.json
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/my_pref.xml
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/secretary-journal
/data/data/####/share_date.xml
/data/data/####/share_sdk_1.xml
/data/data/####/sharedIpList.xml
/data/data/####/sharesdk.db-journal
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/-1571437482.tmp
/data/media/####/-1608800434.tmp
/data/media/####/-1721167087.tmp
/data/media/####/-1849692470.tmp
/data/media/####/-2125923188.tmp
/data/media/####/-429509736.tmp
/data/media/####/-686109718.tmp
/data/media/####/-884998775.tmp
/data/media/####/.ba
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.dk
/data/media/####/.lock
/data/media/####/.nomedia
/data/media/####/.timestamp
/data/media/####/000.html
/data/media/####/1256981169.tmp
/data/media/####/1795802343.tmp
/data/media/####/1892238280.tmp
/data/media/####/1914795467.tmp
/data/media/####/480847720.tmp
/data/media/####/539953064.tmp
/data/media/####/conlts.dat
/data/media/####/ller.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/test.0

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so

Loads the following dynamic libraries:

crash_analysis
jpush215
libjiagu
locSDK6a
neh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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