Adware.Gexin.2412

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cn-hang####.oss####.aliyun####.com:80
TCP(HTTP/1.1) ima####.m####.cn.####.com:80
TCP(HTTP/1.1) res.5um####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) res.5um####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) app.5um####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
app.5um####.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
cn-hang####.oss####.aliyun####.com
i.t####.com
ima####.m####.cn
ima####.m####.cn
ima####.m####.cn
pub-####.qin####.com
res####.a####.com
res.5um####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

cn-hang####.oss####.aliyun####.com/amap-api/comm/upload/CoordinateSoEnhe...
i.t####.com/a/3c99d6d9a19c2699cbe29901bb0c04372
ima####.m####.cn.####.com/mdb/uploadfile/2017/0612/20170612104936838559....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0702/20180702101515702331....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0731/20180731104202405091....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0801/20180801091714977771....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0813/20180813011245569026....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0813/20180813100337470356....
ima####.m####.cn.####.com/mdb/uploadfile/2018/0823/20180823100314700816....
res.5um####.com/imgs/film/2018/09/10/9586d23a405448e49ee64fa7e503d91c.jpeg
res.5um####.com/imgs/splash/2018/09/10/9fc4a03d7e77496191791551206b4b40....
t####.c####.q####.####.com/tdata_EDT356
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/07442b337121
/data/data/####/09784410979847872f41e6f604d1ff03365c517af3aee6a....0.tmp
/data/data/####/14ece370bfb98979a3475689a79311091eed981cbdb1ff1....0.tmp
/data/data/####/1536650130806_2090
/data/data/####/1536650131119_2090
/data/data/####/1536650131490_2090
/data/data/####/1536650131676_2090
/data/data/####/1536650132055_2090
/data/data/####/1536650133091_2090
/data/data/####/1536650134094_2090
/data/data/####/1536650139043_2197
/data/data/####/1536650145421_2090
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/46f2f0fc7cf5f897781b5ba4b1b28c9b69a1be51aef5f0a....0.tmp
/data/data/####/55e147364a1acaaa4ae2c937068545f5b57c9c85fc18610....0.tmp
/data/data/####/70f24f1cf10a3dfc47cb21acdc3dbb35d2e90a51d100453....0.tmp
/data/data/####/74da5117b8d51b564dade8ae3a6433945ad22b9d94994a2....0.tmp
/data/data/####/7ebaaa136ceab7870ba15390de366ef14fc61ff31b20197....0.tmp
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/MultiDex.lock
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/Time-Online.xml
/data/data/####/ba691bff5e3f382c2d7801401f7a5c230e2a2ab80bae185....0.tmp
/data/data/####/bugly_db_legu-journal
/data/data/####/c07c75cb2a92805edd2c9f34a0b8829fa4c4e50e4d8eaa9....0.tmp
/data/data/####/c636fd5aa30cb46182bafcddd7758cbd6d916f8f37dcabe....0.tmp
/data/data/####/com.ichances.umovie_preferences.xml
/data/data/####/e601f3c6576f2d52ad90e0e879261361cfc86c27c078777....0.tmp
/data/data/####/e7d15ca9d52948a95fc0a3b812c5719fdb242e86269fbae....0.tmp
/data/data/####/f3aa5521eb02d84ab64bfbc4360d43e071a42c49dca5998....0.tmp
/data/data/####/fe575355a940af25afc7138701c2070c9d4e477f9e29c0f....0.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/iv
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/libwgs2gcj.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pref.xml
/data/data/####/pref.xml.bak
/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/####/salt
/data/data/####/security_info
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/tdid.xml
/data/media/####/.tcookieid
/data/media/####/1536650131391.db
/data/media/####/Time-Online_welcome.jpg
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.ichances.umovie.bin
/data/media/####/com.ichances.umovie.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/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
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.ui.service.PushService 24902 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.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.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
mount

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.9.0.2
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
AES-GCM-NoPadding

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.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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Mitos

Technical information

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