Android.BackDoor.2551

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Backdoor.582.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) m.sosta####.com:80
TCP(HTTP/1.1) co####.wow####.com:80
TCP(HTTP/1.1) 1####.114.206.188:8888
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) z.c####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) c.c####.com:80
TCP(HTTP/1.1) sdk.ipad####.com:80
TCP(HTTP/1.1) api.alli####.com:80
TCP(HTTP/1.1) b####.soui####.com:80
TCP(HTTP/1.1) zb####.v.bsc####.cn:80
TCP(HTTP/1.1) a####.xyz:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) 1####.211.155.179:80
TCP(SSL/3.0) st####.ho####.com.####.io:443
TCP(SSL/3.0) www.wenx####.com:443
TCP(TLS/1.0) z.c####.com:443
TCP(TLS/1.0) www.z####.com:443
TCP(TLS/1.0) www.2####.org:443
TCP(TLS/1.0) www.bi####.net:443
TCP(TLS/1.0) www.bi####.com:443
TCP(TLS/1.0) gm.mm####.com:443
TCP(TLS/1.0) 1####.27.231.72:443
TCP(TLS/1.0) www.wenx####.com:443
TCP(TLS/1.0) c.c####.com:443
TCP(TLS/1.0) www.wenxu####.com:443
TCP(TLS/1.0) st####.ho####.com.####.io:443
TCP(TLS/1.0) l####.tbs.qq.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5226
TCP cm-1####.ig####.com:5225

DNS requests:

a####.exc.mob.com
a####.u####.com
a####.xyz
api.alli####.com
b####.soui####.com
c####.mm####.com
c-h####.g####.com
c.c####.com
cdn-sdk####.g####.com
cdn.ipad####.com
cm-1####.ig####.com
cm-1####.ig####.com
cm-1####.ig####.com
co####.wow####.com
img.1####.com
l####.tbs.qq.com
m.sosta####.com
mt####.go####.com
r####.wow####.com
s####.adi####.net
s19.c####.com
s9.c####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.ipad####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.ho####.com
www.2####.org
www.bi####.com
www.bi####.net
www.wenx####.com
www.wenxu####.com
www.z####.com
z12.c####.com
z8.c####.com

HTTP GET requests:

a####.xyz/
a####.xyz/jnmeiya/css/style.css?v=####
a####.xyz/jnmeiya/js/demo.js
a####.xyz/jnmeiya/js/index.js
a####.xyz/jnmeiya/js/jquery.min.js
a####.xyz/m
a####.xyz/m/
a####.xyz/m/common.css?v=####
a####.xyz/m/esports.png
a####.xyz/m/ffc.png
a####.xyz/m/images/1.jpg
a####.xyz/m/images/2.jpg
a####.xyz/m/images/2x3.png
a####.xyz/m/images/3.jpg
a####.xyz/m/images/4.jpg
a####.xyz/m/images/5.jpg
a####.xyz/m/images/6090.png
a####.xyz/m/images/fanshui.png
a####.xyz/m/images/free.png
a####.xyz/m/images/kefu.png
a####.xyz/m/images/naba.png
a####.xyz/m/images/notimes.png
a####.xyz/m/images/pankou.png
a####.xyz/m/images/saishi.png
a####.xyz/m/images/zhifu.png
a####.xyz/m/index.css?v=####
a####.xyz/m/js/index.js
a####.xyz/m/js/swiper.jquery.min.js
a####.xyz/m/js/zepto.min.js
a####.xyz/m/livecasino.png
a####.xyz/m/logo1.png
a####.xyz/m/lottery.png
a####.xyz/m/more.png
a####.xyz/m/qpyx.png
a####.xyz/m/slot.png
a####.xyz/m/sport.png
a####.xyz/m/ssc.png
a####.xyz/m/swiper.min.css
api.alli####.com/books/free_subject?id=####
api.alli####.com/product_h5_setup/config?pid=####&isClient=####
b####.soui####.com/app/trans/705766?bookStore=####&channel=####&t=####&t...
c.c####.com/core.php?web_id=####&t=####
c.c####.com/z_stat.php?id=####
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_RTt152
cdn-sdk####.g####.com.####.com/tdata_kOk134
cdn-sdk####.g####.com.####.com/tdata_uVO502
co####.wow####.com/js/base-loading.js
co####.wow####.com/js/jquery-3.2.1.min.js
co####.wow####.com/mzui/dist/css/mzui.min.css?v=####
co####.wow####.com/mzui/dist/fonts/zenicon.ttf?v=####
co####.wow####.com/recommend/imgs/cate.png
co####.wow####.com/recommend/imgs/rank.png
co####.wow####.com/recommend/imgs/tui.png
m.sosta####.com/appad/?s=####
m.sosta####.com/olconfig.php?aid=####&channel=####&h=####&imei=####&imsi...
m.sosta####.com/recommend/?cc=####&fx=####&ver=####&yqm=####
m.sosta####.com/recommend/css/style.css?v=####
m.sosta####.com/recommend/imgs/loading.gif
q####.c####.l####.####.com/config/hz-hzv6.conf
sdk.ipad####.com/api/ad/ad/sendDeviceInfo
sdk.ipad####.com/api/ad/getAdBannerList/?ad_channal_code=####&book_name=...
sdk.ipad####.com/api/ad?ad_channal_code=####&book_name=####&source=####&...
sdk.ipad####.com/extra/information/getInformation?positionId=####&acc=####
sdk.ipad####.com/extra/information/list?acc=####
sdk.ipad####.com/extra/rp/cu?a=####&at=####&d=####&h=####&i=####&p=####&...
sdk.ipad####.com/extra/rp/su?a=####&at=####&d=####&h=####&i=####&p=####&...
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/bs/static/css/app.0b167f45.css
ti####.c####.l####.####.com/bs/static/css/chunk-vendors.371e10e8.css
ti####.c####.l####.####.com/bs/static/img/jbtx_icon.4d926693.png
ti####.c####.l####.####.com/bs/static/js/app.ea26e434.js
ti####.c####.l####.####.com/bs/static/js/chunk-vendors.bb3c64b6.js
z.c####.com/stat.htm?id=1274152024&r=&lg=en-us&ntime=none&cnzz_eid=20054...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/1228859/1228859_d14f18e849...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/1422444/_1422444_336729.jpg
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/2078199/2078199_242a8ffcc4...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/2107590/2107590_2607eaf03b...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/2126166/2126166_c1002339e5...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/2371607/2371607_cec031f8a2...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/243028/_243028_470038.jpg
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/41615/41615_2ee961bffe9149...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/42088/42088_dacd7456795045...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/44353/_44353_724540.jpg
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/46975/46975_b73d3fdbf7ce43...
zb####.v.bsc####.cn/api/v1/bookcenter/cover/1/685385/685385_c586cf332a34...

HTTP POST requests:

1####.211.155.179/errconf
a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
m.sosta####.com/appserver/
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
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/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/055d967ea776220beeafd903609694732aa52f4f2ca2b28....0.tmp
/data/data/####/1b8058c084f72ae08eaf0348e5970308cc3b4147ab006c0....0.tmp
/data/data/####/1f154170d11124428c56211d7bb075eebfd54be94638cdf....0.tmp
/data/data/####/244e221f5988679e83bba8c82457db8ae20e15dfdb55498....0.tmp
/data/data/####/2c681568b9f80376e90ac6c84a97da153bc604f65a6759e....0.tmp
/data/data/####/2c9c2b884fb8e7466c7e807189b59c31016c5283be62a7f....0.tmp
/data/data/####/4071b6856ada360f6e2bbe59158c79dc08761d652b6d231....0.tmp
/data/data/####/4dca4f2cd04f02160d19d066c1fea65d157f386057115b5....0.tmp
/data/data/####/5d030de3fd55da0d33aa9991b12871c4fa92fec408d3c18....0.tmp
/data/data/####/6de59b2506d840f970c791e8bf25c71eadcf9b5ae3c4e06....0.tmp
/data/data/####/81207e218a33
/data/data/####/8a1142c0c1966a4e0ea268bbe0ab0d8039c11abf8b14764....0.tmp
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DEVICECODE
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/aareaderconfig.xml
/data/data/####/ac1ab3896d937e2354c5e3efa136bbf4dcfa5f759818ca6....0.tmp
/data/data/####/app.dat
/data/data/####/b42bc591fe144d83f6747286bea4891101b0a1e9b8b6ba1....0.tmp
/data/data/####/bgconfig1.xml
/data/data/####/bgconfig2.xml
/data/data/####/bgconfig3.xml
/data/data/####/bgconfig4.xml
/data/data/####/bgconfig5.xml
/data/data/####/bgconfig6.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/ced2db502901f321b981d364f8d259b4b3a3291598cf398....0.tmp
/data/data/####/core_info
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dc2ab5f3aacc8a91328cab99725c17cc3413d3ed910af80....0.tmp
/data/data/####/debug.conf
/data/data/####/domain_1
/data/data/####/download_upload
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/fav.db
/data/data/####/fav.db-journal
/data/data/####/gdaemon_20161017
/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/####/journal.tmp
/data/data/####/libjiagu-1190667161.so
/data/data/####/login.dat
/data/data/####/mb_device_id.xml.xml
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/olconfig
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/ruleconfig.xml
/data/data/####/run.pid
/data/data/####/seartch.db
/data/data/####/seartch.db-journal
/data/data/####/tbs_download_config.xml
/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.jar
/data/data/####/tdata_kOk134
/data/data/####/tdata_kOk134.jar
/data/data/####/tdata_uVO502
/data/data/####/tdata_uVO502.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.artc_lock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lesd_lock
/data/media/####/.mn_1360822780
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/0ca17143d87603a9.txt
/data/media/####/0ebd8236c2d9137a.txt
/data/media/####/1970148506.apk
/data/media/####/233c7d05a4bedbac.txt
/data/media/####/31d325a1850821d6.txt
/data/media/####/3a7dfd2cc41d12df.txt
/data/media/####/43d320d07596dc5e.txt
/data/media/####/5dfc725848992f82.dat
/data/media/####/71c8ec64c424a5d9.txt
/data/media/####/7b07e3291e6cf8ae.txt
/data/media/####/7ee686db89986edc.txt
/data/media/####/8fee80db2329db30.txt
/data/media/####/95ef15d6daf1a5f3.txt
/data/media/####/9bef1643f7cac3cb.txt
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/a4dbf0a3c0c577a0.txt
/data/media/####/ac06e386f3a4e939.txt
/data/media/####/acecf79dc8ea0ab8.txt
/data/media/####/ad1085426e56de94.txt
/data/media/####/app.db
/data/media/####/b0c0dca01a43b136.txt
/data/media/####/b5713b96cce1b994.txt
/data/media/####/b99c87ccdbb3d8ce.txt
/data/media/####/bf798e85d9e27bd7.txt
/data/media/####/book.his
/data/media/####/book.img
/data/media/####/book.mdf
/data/media/####/book.png
/data/media/####/book.tmp
/data/media/####/book.unread
/data/media/####/bookhis.xml
/data/media/####/cfe01b5cae266e71.txt
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.sostation.mbreader.bin
/data/media/####/com.sostation.mbreader.db
/data/media/####/d5763c3d6784415a.txt
/data/media/####/d835e1646185d0f4.txt
/data/media/####/e8e1babfebfcab50.txt
/data/media/####/f54db843c2a5f70e.txt
/data/media/####/f698b3b29f3a63f7.txt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/mb81778929928
/data/media/####/mb82456341021
/data/media/####/tdata_RTt152
/data/media/####/tdata_kOk134
/data/media/####/tdata_uVO502
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.mbread.push.DemoPushService 25241 300 0
busybox ifconfig
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.product.cpu.abi
mount
sh

Loads the following dynamic libraries:

bookjni
getuiext3
libjiagu-1190667161

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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