Android.SmsSend.21031

Technical information

Malicious functions:

Sends SMS messages:

106575206321505460: dyl#null,<IMEI>,6000098-1-214748-ddssys_00389-0
10691009: @8DYL#null,<IMEI>,6000098-1-214748-ddssys_00389-0
106912114516412: systemcGx1dG8yNTAwMjY2OTkxODc3NDM=
106912114: HZSY#<IMSI>

Gains access to the ITelephony private interface

Network activity:

Connecting to:

a####.####.cn
col####.####.com
huangda####.com
i####.####.cn
i####.####.com:10003
p####.####.cn
p####.####.com
re####.####.com
re####.####.com:10002
s####.####.com:10201
v####.####.cn
z####.####.com

HTTP GET requests:

a####.####.cn/video-app/server/css/style.css
huangda####.com/active!activeLog.action?provider=####&clickId=####&manu=...
i####.####.cn/iplookup/iplookup.php?format=####
p####.####.com/cityjson?ie=####
re####.####.com/v1/sdk/init?net_name=####&imei=####&package_name=####&sd...
re####.####.com:10002/v1/sdk/init?net_name=####&imei=####&package_name=#...
s####.####.com:10201/v1/sdk/report?sdk_type=####&sdk_status=####&trade_i...
v####.####.cn/Fpf2FH-sjPd6Fb5_rziKXux_JLAu
z####.####.com/m/m76.mp4?end=####

HTTP POST requests:

col####.####.com/pay-sms-access//uploadOpenPayOrderResult.json?
i####.####.com:10003/v2/chis
p####.####.cn/index.php/API

Modified file system:

Creates the following files:

<Package Folder>/app_apCoreplugn/####/23uiusfjc.bin
<Package Folder>/app_apCoreplugn/sinner.apk
<Package Folder>/app_apCoreplugn/smap.apk
<Package Folder>/app_apCoreplugn/sms.apk
<Package Folder>/app_apCoreplugn/sqq.apk
<Package Folder>/app_apCoreplugn/sweb.apk
<Package Folder>/app_plugin_dir/####/base-1.apk
<Package Folder>/app_plugin_dir/####/base-1.dex
<Package Folder>/cache/####/data_0
<Package Folder>/cache/####/data_1
<Package Folder>/cache/####/data_2
<Package Folder>/cache/####/data_3
<Package Folder>/cache/####/index
<Package Folder>/cache/sinner.apk.apk
<Package Folder>/cache/smap.apk.apk
<Package Folder>/cache/sms.apk.apk
<Package Folder>/cache/sqq.apk.apk
<Package Folder>/cache/sweb.apk.apk
<Package Folder>/databases/####/cc.db
<Package Folder>/databases/####/cc.db-journal
<Package Folder>/databases/TestinAgent.db
<Package Folder>/databases/TestinAgent.db-journal
<Package Folder>/databases/com.core.main.pay.plugmain_sy_pay_record-journal
<Package Folder>/databases/mp.db
<Package Folder>/databases/mp.db-journal
<Package Folder>/databases/recordInfo-journal
<Package Folder>/databases/webview.db-journal
<Package Folder>/databases/webviewCookiesChromium.db-journal
<Package Folder>/databases/webviewCookiesChromium.db-journal (deleted)
<Package Folder>/databases/xUtils_http_cookie.db
<Package Folder>/databases/xUtils_http_cookie.db-journal
<Package Folder>/files/####/plus.jar
<Package Folder>/files/mobclick_agent_cached_<Package>2147483647
<Package Folder>/shared_prefs/CHECK_VERSION_TIME.xml
<Package Folder>/shared_prefs/CONFIGS.xml
<Package Folder>/shared_prefs/FIRST_ENTER_PLAY.xml
<Package Folder>/shared_prefs/LOGIN_TIME.xml
<Package Folder>/shared_prefs/PAY_STATUS.xml
<Package Folder>/shared_prefs/PLAY_COUNT.xml
<Package Folder>/shared_prefs/PROTOCOL_SHOW.xml
<Package Folder>/shared_prefs/RECORD_INFOS.xml
<Package Folder>/shared_prefs/RECORD_INFOS.xml.bak
<Package Folder>/shared_prefs/SAFETIPS.xml
<Package Folder>/shared_prefs/SPEED_UP.xml
<Package Folder>/shared_prefs/THIRD_STATUS_UPLOAD.xml
<Package Folder>/shared_prefs/TestinAgent.xml
<Package Folder>/shared_prefs/UPDATE_VERSION.xml
<Package Folder>/shared_prefs/USER_EXTRA_INFO.xml
<Package Folder>/shared_prefs/USER_OPEN_COUNT.xml
<Package Folder>/shared_prefs/com.core.main.pay.plugmain_p_config.xml
<Package Folder>/shared_prefs/com.souying.pay.xml
<Package Folder>/shared_prefs/cpMsg.xml
<Package Folder>/shared_prefs/device_id.xml.xml
<Package Folder>/shared_prefs/getFlag.xml
<Package Folder>/shared_prefs/plugins.installed.xml
<Package Folder>/shared_prefs/plugins.serviceMapping.xml
<Package Folder>/shared_prefs/pretw.xml
<Package Folder>/shared_prefs/signUpload.xml
<Package Folder>/shared_prefs/sy_pay_config.xml
<Package Folder>/shared_prefs/sy_pay_config.xml.bak
<Package Folder>/shared_prefs/twc.xml
<Package Folder>/shared_prefs/twc.xml.bak
<Package Folder>/shared_prefs/umengEnable.xml
<Package Folder>/shared_prefs/umeng_general_config.xml
<Package Folder>/shared_prefs/umeng_general_config.xml.bak
<Package Folder>/shared_prefs/userInfo.xml
<Package Folder>/shared_prefs/zzconfig.xml
<SD-Card>/.twservice/####/tw
<SD-Card>/.twservice/qshp_3001_2274.zip
<SD-Card>/Android/####/-1117538340.tmp
<SD-Card>/Android/####/-1268207648.tmp
<SD-Card>/Android/####/-1433934119.tmp
<SD-Card>/Android/####/-147419963.tmp
<SD-Card>/Android/####/-1634444691.tmp
<SD-Card>/Android/####/-1764515742.tmp
<SD-Card>/Android/####/-1952831884.tmp
<SD-Card>/Android/####/-2027137222.tmp
<SD-Card>/Android/####/-2114782548.tmp
<SD-Card>/Android/####/-24037258.tmp
<SD-Card>/Android/####/-273601160.tmp
<SD-Card>/Android/####/-579472644.tmp
<SD-Card>/Android/####/-62488957.tmp
<SD-Card>/Android/####/-67389520.tmp
<SD-Card>/Android/####/-67970597.tmp
<SD-Card>/Android/####/-781822830.tmp
<SD-Card>/Android/####/-812369691.tmp
<SD-Card>/Android/####/.nomedia
<SD-Card>/Android/####/1235034122.tmp
<SD-Card>/Android/####/143246314.tmp
<SD-Card>/Android/####/1470231709.tmp
<SD-Card>/Android/####/1502303555.tmp
<SD-Card>/Android/####/1505132456.tmp
<SD-Card>/Android/####/1893545099.tmp
<SD-Card>/Android/####/1898151556.tmp
<SD-Card>/Android/####/1971445410.tmp
<SD-Card>/Android/####/1978821443.tmp
<SD-Card>/Android/####/2060744266.tmp
<SD-Card>/Android/####/2073202469.tmp
<SD-Card>/Android/####/217543759.tmp
<SD-Card>/Android/####/334446035.tmp
<SD-Card>/Android/####/365245048.tmp
<SD-Card>/Android/####/587141464.tmp
<SD-Card>/Android/####/617565282.tmp
<SD-Card>/Android/####/637428915.tmp
<SD-Card>/Android/####/687172801.tmp
<SD-Card>/Android/####/911312921.tmp
<SD-Card>/Android/####/995864413.tmp

Miscellaneous:

Executes next shell scripts:

cat /proc/version
cat /sys/block/mmcblk0/device/cid

Loads the following dynamic libraries:

NativeCrash

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS7Padding
DES

Contains functionality to send SMS messages automatically.

Gains access to geolocation

Gains access to network information

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

Gains access to information about installed applications

Displays its own windows over windows of other applications

Parses information from SMS messages

Gains access to information about sent/received SMS messages

Technologies

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