Adware.Gexin.2230

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) t.jiao####.net:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(HTTP/1.1) tj.jiao####.net:90
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) i####.jiao####.net:80
TCP(HTTP/1.1) zhg.ali####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) s####.jom####.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) api.jiao####.net:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) p.jiao####.net:80
TCP(HTTP/1.1) sc.zj####.cn:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) m.jiao####.net:80
TCP(HTTP/1.1) api.mob####.mob.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) wild####.q####.cn.####.net:80
TCP(HTTP/1.1) wap.n.sh####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(TLS/1.0) ae.bdst####.com.####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP(TLS/1.0) api.mob####.mob.com:443
TCP(TLS/1.0) mp.we####.qq.com:443
TCP(TLS/1.0) wild####.q####.cn.####.net:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) wap.n.sh####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a####.man.aliy####.com
a####.u####.com
ad####.m.ta####.com
ada####.m.ta####.com
ae.bdst####.com
and####.b####.qq.com
api.jiao####.net
api.mob####.mob.com
api.s####.b####.com
c####.g####.ig####.com
c-h####.g####.com
hm.b####.com
i####.jiao####.net
l####.tbs.qq.com
m####.b####.com
m####.q####.cn
m.jiao####.net
mp.we####.qq.com
p####.zhanz####.b####.com
p.jiao####.net
r####.wx.qq.com
sc.zj####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
t.jiao####.net
tj.jiao####.net
www.jiao####.net
xiongz####.b####.com
y####.al####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
api.jiao####.net/jiaodongtop/Adv/20180901/10a299c7bd261f67b235afd42418b3...
api.jiao####.net/jiaodongtop/V10/Adv/getAdv?width=####&height=####
api.jiao####.net/jiaodongtop/V10/Config/getSystemConfig
api.jiao####.net/jiaodongtop/V10/News/getBlockNews?guideid=####&related=...
api.jiao####.net/jiaodongtop/V10/News/getChannels
api.jiao####.net/jiaodongtop/V10/News/getNews?channelid=####&related=###...
api.jiao####.net/jiaodongtop/V10/Push/bindClientid?clientid=####
api.jiao####.net/jiaodongtop/V10/Round/getBids?pageSize=####
api.jiao####.net/jiaodongtop/V10/Update/checkVersion?version=####
i####.jiao####.net/2018/0904jsg600_140.jpg
m.jiao####.net/a/js/toutiao/content_top.js
m.jiao####.net/pic/003/004/872/00300487210_52e4de6b.jpg
m.jiao####.net/pic/003/004/885/00300488541_f6682961.jpg
m.jiao####.net/pic/003/004/957/00300495743_3cf93265.jpg
m.jiao####.net/pic/003/004/957/00300495757_9698f8bb.jpg
m.jiao####.net/pic/003/004/961/00300496138_68179285.jpg
m.jiao####.net/pic/003/004/962/00300496229_4df5b81d.jpg
m.jiao####.net/pic/003/004/966/00300496603_2568c0cd.png
m.jiao####.net/sys/online_calc.js?ver=####
m.jiao####.net/system/2018/08/30/013737688.shtml?from=####
p.jiao####.net/tencentshare/index.php/index/makeJssdkCode?url=http://t.j...
s####.jom####.com/push.js
s####.jom####.com/s.gif?l=/t.jiaodong.net/system/2018/08/30/013737688.sh...
sc.zj####.cn/SDJD831?ed=####
sc.zj####.cn/a6g799fhjt34SDJD831.js
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_YJA893
t.jiao####.net/cms_udf/2017/zhengwuhezuo/css/cooperate.css
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/0010.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/201.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/212.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/321.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/433.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/img/banner.jpg
t.jiao####.net/cms_udf/2017/zhengwuhezuo/index.shtml
t.jiao####.net/css/content.css
t.jiao####.net/css/public.css
t.jiao####.net/images/back.png
t.jiao####.net/js/common.js
t.jiao####.net/js/jquery-2.1.4.min.js
t.jiao####.net/pic/003/004/936/00300493605_62d7fe86.jpg
t.jiao####.net/pic/003/004/936/00300493606_10433a8c.jpg
t.jiao####.net/pic/003/004/936/00300493667_24c14d03.png
t.jiao####.net/pic/003/004/938/00300493878_be8b2006.jpg
t.jiao####.net/pic/003/004/957/00300495743_3cf93265.jpg
t.jiao####.net/pic/003/004/961/00300496184_fa9f7a97.png
t.jiao####.net/pic/003/004/966/00300496604_40bee5b0.jpg
t.jiao####.net/pic/003/004/966/00300496670_e270cef5.jpg
t.jiao####.net/pic/003/004/969/00300496908_64014ff6.jpg
t.jiao####.net/pic/003/004/969/00300496935_6b647ec2.jpg
t.jiao####.net/pic/003/004/969/00300496936_b4decb46.jpg
t.jiao####.net/pic/003/004/969/00300496937_3d278536.jpg
t.jiao####.net/pic/003/004/969/00300496940_4ab1def4.jpg
t.jiao####.net/pic/003/004/969/00300496945_eef5cbdb.png
t.jiao####.net/pic/003/004/969/00300496955_0ad79967.jpg
t.jiao####.net/system/2018/08/30/013737695.shtml?from=####
ti####.c####.l####.####.com/config/hz-hzv3.conf
tj.jiao####.net:90/real_calc/CalcWriteServlet?newsId=####
wap.n.sh####.com/sdk/c.js?appid=####
wild####.q####.cn.####.net/mmbiz_gif/riblFqhiaqPC6gqRLh8C47byS2z4ALC1FV5...

HTTP POST requests:

a####.exc.mob.com/errconf
a####.u####.com/app_logs
ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
and####.b####.qq.com/rqd/async
api.mob####.mob.com/conf
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####
zhg.ali####.com/saveWb.json

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.vpl_lock
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/21c22f492aba3de8.lock
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MOBLINK_1
/data/data/####/MultiDex.lock
/data/data/####/Q0VSVC5SU0EK.txt822
/data/data/####/RefreshLayoutHeadernews2001000000000000.xml
/data/data/####/RefreshLayoutHeadernews2007000000000000.xml
/data/data/####/RefreshLayoutHeaderpolitics2015000000000000.xml
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UTCommon.xml
/data/data/####/ap.Lock
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.jiaodong_preferences.xml
/data/data/####/cookie_db-journal
/data/data/####/core_info
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/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/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/f_000011
/data/data/####/f_000012
/data/data/####/f_000013
/data/data/####/f_000014
/data/data/####/f_000015
/data/data/####/f_000016
/data/data/####/f_000017
/data/data/####/f_000018
/data/data/####/f_000019
/data/data/####/f_00001a
/data/data/####/f_00001b
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libsgmainso-5.1.96.so.tmp
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/lock.lock
/data/data/####/mix.dex
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/news_channels_db-journal
/data/data/####/push.pid
/data/data/####/push.xml
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/register.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp.lock
/data/data/####/system_config1.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_YJA893
/data/data/####/tdata_YJA893.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/uuid.xml
/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_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/17529af3b303af3c889fbbc4fa4378f81ee2f7077c39f2....0.tmp
/data/media/####/284ecd9dd426d063aede2aa36ce2eba30aa2c8f672ee6d....0.tmp
/data/media/####/4e675dd3870e1d8551c36f8771b5e5276719bcde05f9a6....0.tmp
/data/media/####/5b5975b773690761ee4aa25fba16095f40a38aaa5a50f2....0.tmp
/data/media/####/5ca19349f7d7ff3e84a2a7a71b21d745dda34b5316863d....0.tmp
/data/media/####/62cf043559403a44a47e1c0ed05b76c94788d2248ac5ef....0.tmp
/data/media/####/6aad22a0d3dfa9033ff01aa53f700993c405a8561942f8....0.tmp
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/a96bff61a0836659a763b6aedbaa05a637d8dc9b65caf0....0.tmp
/data/media/####/aa53a380fcb7f8574a19acaf7314f05943c018d35c3c9c....0.tmp
/data/media/####/app.db
/data/media/####/b7fcc966831aa5fb79c807cb1209e3ea7385befd348965....0.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jiaodong.bin
/data/media/####/com.jiaodong.db
/data/media/####/d339524c80626d895cbde03b14410c0c9283f1f972b406....0.tmp
/data/media/####/dd7893586a493dc3
/data/media/####/e461da4ef4832c62fa5ca0bc27a31c768a160247206199....0.tmp
/data/media/####/ea95709e5223939d02cdb6c274007091789932c25ec9c9....0.tmp
/data/media/####/f99b3ef41b40f6743ea29b57bfc3281a63ec19a7c74882....0.tmp
/data/media/####/hid.dat
/data/media/####/journal.tmp
/data/media/####/tdata_BAI450
/data/media/####/tdata_YJA893
/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>.push.PushService 24208 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 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
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.PushService 24208 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.9.0.2
libufix
nfix
sgmainso-5.1
ufix
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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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Mitos

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