Android.BackDoor.3043

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.582.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) api.alli####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sdk.ipad####.com:80
TCP(HTTP/1.1) r####.wow####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) sdk.ipad####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) 1####.250.75.14:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) 1####.250.203.206:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) r1---sn####.g####.com:443
TCP(TLS/1.2) 1####.217.16.3:443
TCP(TLS/1.2) 1####.250.203.206:443
TCP cm-1####.g####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

a####.exc.mob.com
and####.google####.com
android####.go####.com
api.alli####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
instant####.google####.com
ip.adi####.net
l####.tbs.qq.com
m####.go####.com
m.sosta####.com
md####.google####.com
p####.google####.com
r####.wow####.com
r1---sn####.g####.com
s####.adi####.net
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.ipad####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
www.google####.com
www.gst####.com

HTTP GET requests:

api.alli####.com/books/free_subject?id=####
api.alli####.com/product_h5_setup/config?pid=####&isClient=####
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RTt152
cdn-sdk####.g####.com.####.com/tdata_vVv491
cdn-sdk####.g####.com.####.com/tdata_wSb413
d####.c####.l####.####.com/config/hzv9.conf
r####.wow####.com/olconfig.php?aid=####&channel=####&h=####&imei=####&im...
sdk.ipad####.com/api/ad/ad/sendDeviceInfo
sdk.ipad####.com/api/ad/getAdBannerList/?ad_channal_code=####&book_name=...
sdk.ipad####.com/extra/information/list?acc=####
sdk.ipad####.com:443/ip/refresh?ts=####&sign=####
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.exc.mob.com/errconf
c-h####.g####.com/api.php?format=####&t=####
r####.wow####.com/appserver/
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.artc_lock
/data/data/####/.dic_lock
/data/data/####/.duid
/data/data/####/.globalLock
/data/data/####/.im_lock
/data/data/####/.jg.ic
/data/data/####/.lesd_lock
/data/data/####/.lock
/data/data/####/.pkg_lock
/data/data/####/.pkgs_lock
/data/data/####/.slw
/data/data/####/.ss_lock
/data/data/####/.vpl_lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DEVICECODE
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/aareaderconfig.xml
/data/data/####/ad.db-journal
/data/data/####/bgconfig1.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/com.sostation.txtreader_preferences.xml
/data/data/####/core_info
/data/data/####/d7815b919526
/data/data/####/debug.conf
/data/data/####/domain_1
/data/data/####/download_upload
/data/data/####/fav.db
/data/data/####/fav.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/ibkad_config.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/mb_device_id.xml.xml
/data/data/####/metrics_guid
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/olconfig
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/ruleconfig.xml
/data/data/####/run.pid
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbs_pv_config
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_RTt152
/data/data/####/tdata_RTt152.dex
/data/data/####/tdata_RTt152.dex.flock (deleted)
/data/data/####/tdata_RTt152.jar
/data/data/####/tdata_vVv491
/data/data/####/tdata_vVv491.dex
/data/data/####/tdata_vVv491.dex.flock (deleted)
/data/data/####/tdata_vVv491.jar
/data/data/####/tdata_wSb413
/data/data/####/tdata_wSb413.dex
/data/data/####/tdata_wSb413.dex.flock (deleted)
/data/data/####/tdata_wSb413.jar
/data/data/####/the-real-index
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview_data.lock
/data/media/####/.artc_lock
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.ss_lock
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.sostation.txtreader.bin
/data/media/####/com.sostation.txtreader.db
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/mb89687151721 (deleted)
/data/media/####/tbslog.txt
/data/media/####/tdata_RTt152
/data/media/####/tdata_vVv491
/data/media/####/tdata_wSb413
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
busybox ifconfig
cat /sys/class/net/wlan0/address
getprop ro.product.cpu.abi
mount
sh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
RSA-ECB-NoPadding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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