Android.Backdoor.2319

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.401.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) a####.umengc####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) zy####.k####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) ads.k####.com:80
TCP(HTTP/1.1) idv####.qini####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP 1####.230.236.45:7011
TCP 43.2####.88.86:7006
UDP s.j####.cn:19000
TCP l####.net####.im:8080

DNS requests:

a####.b####.qq.com
a####.u####.com
a####.umengc####.com
ads.k####.com
aexcep####.b####.qq.com
and####.b####.qq.com
and####.cli####.go####.com
l####.net####.im
l####.tbs.qq.com
lbs.net####.im
log.u####.com
nim.qi####.com
oe1sb####.bkt.clo####.com
plb####.u####.com
qy-swa####.qi####.com
s.j####.cn
up####.sdk.jig####.cn
wfd.net####.im
zy####.k####.com

HTTP GET requests:

ads.k####.com/api/getByAgentCode?AgentCode=####
idv####.qini####.com/ver.js?v=####
zy####.k####.com/

HTTP POST requests:

a####.u####.com/app_logs
a####.umengc####.com/app_logs
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=####
l####.tbs.qq.com/ajax?c=####&k=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

File system changes:

Creates the following files:

/data/data/####/1002
/data/data/####/1004
/data/data/####/ApplicationCache.db-journal
/data/data/####/JPushSA_Config.xml
/data/data/####/NIMSDK_Config_d2a8d42fe4ba41cc4b326873de458361.xml
/data/data/####/NIMSDK_Config_d2a8d42fe4ba41cc4b326873de458361_...6f.xml
/data/data/####/Unicorn.d2a8d42fe4ba41cc4b326873de458361.xml
/data/data/####/aliyun_svideo_global_info.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.yingsoft.zhuyuanyishi.Activity.BETA_VALUES.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9zaGFyZV8xNTU4ODAyMjg4Nzcw;
/data/data/####/dW1weF9zaGFyZV8xNTU4ODAyMjg4OTg3;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device_id.xml.xml
/data/data/####/encryptedApp.dat
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/index
/data/data/####/jpush_stat_cache.json
/data/data/####/libnfix.so
/data/data/####/libshella-2.8.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/msg.db-journal
/data/data/####/native_record_lock
/data/data/####/qiyu_save_d2a8d42fe4ba41cc4b326873de458361.xml
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/share_date.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_cache_1558802301720.env
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/unicorn#cheese#
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/xUtils_http_cookie.db
/data/data/####/xUtils_http_cookie.db-journal
/data/media/####/.nomedia
/data/media/####/.push_deviceid

Miscellaneous:

Executes the following shell scripts:

/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
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
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.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime

Loads the following dynamic libraries:

Bugly
jcore115
libnfix
libshella-2.8
libufix
nfix
pl_droidsonroids_gif
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Gets information about APN settings.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Begriffe

Schulung und Training

Mythen

Technical information

Curing recommendations

Free trial