Adware.Gexin.2405

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) cnf.ad####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) apic####.mob.com:80
TCP(HTTP/1.1) www.slan####.top:80
TCP(HTTP/1.1) m.i####.ta####.com:80
TCP(HTTP/1.1) wild####.al####.com.####.net:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) s####.ad####.com:80
TCP(TLS/1.0) at.al####.com:443
TCP(TLS/1.0) h5.m.ta####.com:443
TCP(TLS/1.0) s.c####.ta####.com:443
TCP(TLS/1.0) m.i####.ta####.com:443
TCP(TLS/1.0) guide-w####.m.ta####.com:443
TCP(TLS/1.0) www.slan####.top:443
TCP(TLS/1.0) na61-####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) na61-####.wagbr####.adverti####.####.com:443
TCP(TLS/1.0) gm.mm####.com:443
TCP(TLS/1.0) us-aebr####.ali####.com:443
TCP(TLS/1.0) raw.githubu####.com:443
TCP(TLS/1.0) g.al####.com:443
TCP(TLS/1.0) wild####.al####.com.####.net:443
TCP(TLS/1.0) log.mm####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.u####.com
apic####.mob.com
at.al####.com
c####.g####.ig####.com
c-h####.g####.com
cnf.ad####.com
fou####.ali####.com
g.al####.com
h####.m.ta####.com
h5.m.ta####.com
img.al####.com
log.mm####.com
m.d####.mob.com
m.i####.ta####.com
ocser####.ta####.com
raw.githubu####.com
s####.ad####.com
s.c####.t####.com
s.c####.ta####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wgo.mm####.com
www.slan####.top

HTTP GET requests:

apic####.mob.com/appstore/calendar/day?key=####&date=####
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
m.i####.ta####.com/detail/detail.html?id=####&ali_trackid=####&e=####&ty...
t####.c####.q####.####.com/tdata_MkX219
t####.c####.q####.####.com/tdata_iGj879
ti####.c####.l####.####.com/config/hz-hzv3.conf
wild####.al####.com.####.net/bao/uploaded/i1/662088784/TB24ZXzaNtmpuFjSZ...
wild####.al####.com.####.net/bao/uploaded/i1/67547880/TB2BgkeiY8kpuFjy0F...
wild####.al####.com.####.net/bao/uploaded/i3/441208432/TB2SAejzTlYBeNjSs...
wild####.al####.com.####.net/bao/uploaded/i3/687663552/TB2BfhWj9BYBeNjy0...
wild####.al####.com.####.net/bao/uploaded/i4/2667399471/TB2N0_CXoD.BuNjt...
wild####.al####.com.####.net/bao/uploaded/i4/2734357335/TB2YTIQvxWYBuNjy...
wild####.al####.com.####.net/bao/uploaded/i4/441208432/TB2jMn2hypnpuFjSZ...
www.slan####.top/api/sys/getappadslist?appType=####

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
cnf.ad####.com/config/216/20170109001143/100785/1536654211504
s####.ad####.com/record/216/20170109001143/1536654213109
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/12aed575724671f054a34feaba74a6fa159a48bb97985f9....0.tmp
/data/data/####/16cfde351c90231074e5ba2cc557f3e21d8045a864a9c24....0.tmp
/data/data/####/29b2e3aa7596f75d0fda1f1f56183907.xml
/data/data/####/2e2f8deaaed8f9c870e762132b69daf0eb2bfa9a4c66697....0.tmp
/data/data/####/3a109b6f52b6e45eb87f53449805bf228b507d13064436c....0.tmp
/data/data/####/4116333a2c3758d88309109f01c040bd0fd57eeb11687e4....0.tmp
/data/data/####/526a6e30c77e8a1b3efd0b7a70106ccbb442ef54d78c6b8....0.tmp
/data/data/####/59583cb17f08e35237e3b8af3e3de84c7dc90da6dd659f5....0.tmp
/data/data/####/63cb91797e94c90fb114c3b49eb9924e15cf615f35c540b....0.tmp
/data/data/####/6d4161e1cfe8d72c816b146c7dea521a02592471dac820c....0.tmp
/data/data/####/7a557b8ffc2854fb3251c1ddb1b34184ba2b587995eb759....0.tmp
/data/data/####/7b5b65233d0b7b8245b12b9feafa6058ba5c2576ae32cea....0.tmp
/data/data/####/7c631782f17c615a2c5a73342a10ce47cdb67201f88fa13....0.tmp
/data/data/####/87c7ae3102f7c63b3c72a55c0bd7c557d84defb6ec9e6e6....0.tmp
/data/data/####/948e9efe5e691ae6911be8d5ff889893ccda147683f09f0....0.tmp
/data/data/####/95c6b8cab1cb04707167fecc54455852f7149f94851f0c6....0.tmp
/data/data/####/9d3e7ffb1fda10ae1105cc5cda2e3e4591ea3fcba1a80dc....0.tmp
/data/data/####/MultiDex.lock
/data/data/####/aa3f1e093ecd78e4ee232394382a204e575933f488d7e0f....0.tmp
/data/data/####/b3f99a5fd2d1fd865a90ea84e89977a6f899b4c0e3eb689....0.tmp
/data/data/####/b769af8fe49a1fb1cc118bed51008de6b6836d6e66beeb6....0.tmp
/data/data/####/ca37340bacccc865bf2f25520d8cbc9206d65e5a833c585....0.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/d52d6d4c4a3ffd85842249785d474f77b9e749d51a6b989....0.tmp
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/e00a18b652784f98fd73266d2016e84187cf14a787b35d0....0.tmp
/data/data/####/e020dbef43f9d2b1ee104d0a83bec42793d13ac6deca08c....0.tmp
/data/data/####/e41499bef54843df75bfa0b1625e9903f47cbc1a3a464e7....0.tmp
/data/data/####/e6b9aef24c10a1c1678c41dd1eaea5d12c34cdad09a470c....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f2d7cdea43f5f4b721d7265799f77a2db112781a5a8af68....0.tmp
/data/data/####/f7072bb55c192101fda4a0ee64e3a75a9e4c152f9c9666a....0.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/https_m.intl.taobao.com_0.localstorage-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-1618479617.so
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/share_data.xml
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.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/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log
/data/media/####/top.slantech.voicebirds.bin
/data/media/####/top.slantech.voicebirds.db

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.services.DemoPushService 25347 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1618479617.so
sh

Loads the following dynamic libraries:

getuiext2
libjiagu-1618479617
neh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-NoPadding
desede-CBC-PKCS5Padding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

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

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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