Adware.Gexin.8652

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8011
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(HTTP/1.1) oc.u####.com:80
TCP(TLS/1.0) idu####.qini####.com:443
TCP(TLS/1.0) q####.a####.com:443
TCP(TLS/1.0) logse####.esf.fa####.com:443
TCP(TLS/1.0) nhc.fa####.com:443
TCP(TLS/1.0) app-ro####.leanc####.cn:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) fsup####.fa####.com:443
TCP(TLS/1.0) 1####.217.168.206:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) api.leanc####.cn:443
TCP(TLS/1.0) x####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
a####.man.aliy####.com
a.esf.fa####.com
aexcep####.b####.qq.com
and####.b####.qq.com
api.leanc####.cn
api.map.b####.com
app-ro####.leanc####.cn
c####.g####.ig####.com
c-h####.g####.com
fs.esf.fa####.com
fsh####.fa####.com
fsup####.fa####.com
hotfix####.aliy####.com
i####.cn
loc.map.b####.com
logse####.esf.fa####.com
mt####.go####.com
nhc.fa####.com
oc.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
x####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ntt510
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

aexcep####.b####.qq.com:8011/rqd/async
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
oc.u####.com/v2/check_config_update
oc.u####.com/v2/get_update_time
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

File system changes:

Creates the following files:

/data/data/####/-1049926924765837686
/data/data/####/-1162726157-1147035662
/data/data/####/-1162726157-444446717
/data/data/####/-1711973683-332557792
/data/data/####/-1799690885-546491534
/data/data/####/-651132826-1664089776
/data/data/####/-760985607-1680111212
/data/data/####/1004
/data/data/####/121372287667590708
/data/data/####/1289718920-2126616639
/data/data/####/1326580955-1110914764
/data/data/####/1923097880-1501701770
/data/data/####/AVOSCloud-SDK.xml
/data/data/####/AV_CLOUD_API_VERSION_KEY_ZONE.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/FddUms_SharedPref.xml
/data/data/####/authStatus_com.fangdd.mobile.fddhouseownersell.xml
/data/data/####/authStatus_com.fangdd.mobile.fddhouseownersell;...ce.xml
/data/data/####/authStatus_com.fangdd.mobile.fddhouseownersell;remote.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml
/data/data/####/com.avos.avoscloud.analysis.xml
/data/data/####/com.avos.avoscloud.approuter.aIAILYVlBrxpmiFYJA...sz.xml
/data/data/####/com.fangdd.mobile.fddhouseownersell_prefs.xml
/data/data/####/crashrecord.xml
/data/data/####/data_create_flag.xml
/data/data/####/du.lock
/data/data/####/fang_cache_db-journal
/data/data/####/fb6f1d2b75e99e04b75f39038fa8613c.0
/data/data/####/fb942010435ab0b9afda9a63c8ede0fc
/data/data/####/fdd_analysis_table-journal
/data/data/####/fdd_match_xml.xml
/data/data/####/fdd_ums.db
/data/data/####/fdd_ums.db -journal
/data/data/####/firll.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/installation
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libnfix.so
/data/data/####/libshella-2.10.5.6.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/local_data.xml
/data/data/####/mix.dex
/data/data/####/mobclick_agent_cached_com.fangdd.mobile.fddhous...100083
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/onlineconfig_agent_online_setting_com.fangdd.mo...ll.xml
/data/data/####/pref_longtime.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/sp_sophix.xml
/data/data/####/talkingdata_file_prefence.xml
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ntt510
/data/data/####/tdata_ntt510.jar
/data/data/####/tdid.xml
/data/data/####/umeng_general_config.xml
/data/data/####/xf_h5_app.data
/data/data/####/xf_leancloud_open_city.data
/data/data/####/xf_share_data.xml
/data/media/####/-2130272134.0.tmp
/data/media/####/-672119228.0.tmp
/data/media/####/-705307505.0.tmp
/data/media/####/._android.dat
/data/media/####/._driver.dat
/data/media/####/._system.dat
/data/media/####/.aio.dat
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.tcookieid
/data/media/####/0aa01f782a37c54eaf9d31987b91d9bfb4a52c2e702978....0.tmp
/data/media/####/0b01970a38bb2c7ad93410a01f3154cdc3b3288aa1dbd5....0.tmp
/data/media/####/252f65b16d3b0332b485bbd77166c30c3858fae4f06e72....0.tmp
/data/media/####/3956f1b8644ba3b226f49879546c65c2d61f4c47eccb01....0.tmp
/data/media/####/4b2697764a07d026552a2565a4917d8e087bf52c5e543b....0.tmp
/data/media/####/57a1910cf00876cd30750021e2268e3e76d323035ae6c2....0.tmp
/data/media/####/75a975434e9c9dada6dfa610882d1e0bb79093dfb0625a....0.tmp
/data/media/####/7cf3e4221305a2b6856153c72ee75aef33e61a78bf54d3....0.tmp
/data/media/####/7efa82dfaa84dc283ec13f7fec9789929714a53191c27a....0.tmp
/data/media/####/8012a8d16b5e4c5aa6ef2ba341f76ed2145401c06f7742....0.tmp
/data/media/####/88b0fb1b80577c40c1a836c2cc6f8c50ed1258d7b14d61....0.tmp
/data/media/####/8e2809614433db3ffc7e3d0fb2e6a6998124177a45bbd2....0.tmp
/data/media/####/8e5372421a143a30d8735aa8b8cc548ce8eba9eb7c80b5....0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/_android.dat
/data/media/####/_driver.dat
/data/media/####/_system.dat
/data/media/####/aio.dat
/data/media/####/app.db
/data/media/####/bf2108b458b98d19c230e1ce77cbc86e0d1a1389c8c0a4....0.tmp
/data/media/####/cb7c450c1a843f6967d400ede0b58fd1259d8011d0c30e....0.tmp
/data/media/####/com.fangdd.mobile.fddhouseownersell.bin
/data/media/####/com.fangdd.mobile.fddhouseownersell.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/d08beb4f1c0e3ee0a3f1f93e38b4c8642e88efc936f3bc....0.tmp
/data/media/####/d33a3c2e01758e0a1ca46fdc479f889f4809cc68ec466a....0.tmp
/data/media/####/d3ba026738bd2e5615839e06106893cbd7b51ad59bd10b....0.tmp
/data/media/####/e9b010481f66c1cbb231845e956fe13bfaa07bc6e55825....0.tmp
/data/media/####/f24e8f11d41045533b06f52ecbaf3d6b43a610fa2f1656....0.tmp
/data/media/####/journal.tmp
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ntt510
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
/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>.service.FddGetuiPushService 26538 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.10.5.6.so
chmod 700 <Package Folder>/tx_shell/libufix.so
df
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.code
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
id
logcat -d -v threadtime
ls /dev/socket
ls /system/fonts
mkdir -p <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/
ps
service call iphonesubinfo 1
sh -c cat
sh -c cat /proc/meminfo
sh -c cat /proc/sys/kernel/osrelease
sh -c cat /proc/sys/kernel/random/boot_id
sh -c cat /proc/sys/kernel/random/uuid
sh -c cat /sys/block/mmcblk0/device/cid
sh -c cat /sys/class/net/eth0/address
sh -c cat /sys/class/net/eth1/address
sh -c cat /sys/class/net/eth2/address
sh -c cat <SD-Card>/../../../../../..<SD-Card>/..ccdid
sh -c cat <SD-Card>/../../../../../..<SD-Card>/..ccvid
sh -c cat <SD-Card>/../../../../../..<SD-Card>/._android.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/._driver.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/._system.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/.acc.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/.aio.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/.ccdid
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/.ccvid
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_android.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_driver.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_system.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/acc.dat
sh -c cat <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/aio.dat
sh -c cd /proc/;cat cpuinfo
sh -c cd /proc/net/ && cat arp
sh -c cd /proc/self/;cat status
sh -c cd /sys/class/net/eth0/ && cat address
sh -c cd /sys/class/net/wlan0/ && cat address
sh -c echo NTAyNUEwOURGRDcyQ0ZCMTQ5NzMyNjI2NjRCMzZGQURGQTc4RjY6RjVDN0IzOkI0NDk1Ng== > <SD-Card>/../../../../../..<SD-Card>/._driver.dat
sh -c echo NTAyNUEwOURGRDcyQ0ZCMTQ5NzMyNjI2NjRCMzZGQURGQTc4RjY6RjVDN0IzOkI0NDk1Ng== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_driver.dat
sh -c echo NjA1NUUxOTUxRDc0MDQzOTY4QkU2QUVENEI4OEI1QTAxNTUwMjMwMTcy > <SD-Card>/../../../../../..<SD-Card>/.aio.dat
sh -c echo NjA1NUUxOTUxRDc0MDQzOTY4QkU2QUVENEI4OEI1QTAxNTUwMjMwMTcy > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/aio.dat
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/._system.dat
sh -c echo QjU4NUVFQTBCMEQ3MkI1Mzg5QjM5ODQ1MzQ1NUNFMDMzQzdBQjU6ODg2Qzc4OjI3RERDMw== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_system.dat
sh -c echo RDcwQ0MyRkI0MTQ0MUI4OTFCMkEzRTQwQTFGNzREMTU3QzI4ODM6MTZBMDREOjc4RjJCQQ== > <SD-Card>/../../../../../..<SD-Card>/._android.dat
sh -c echo RDcwQ0MyRkI0MTQ0MUI4OTFCMkEzRTQwQTFGNzREMTU3QzI4ODM6MTZBMDREOjc4RjJCQQ== > <SD-Card>/../../../../../..<SD-Card>/Android/Data/System/local/_android.dat
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.FddGetuiPushService 26538 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
Bugly
du
fddutils
getuiext2
libnfix
libshella-2.10.5.6
libufix
locSDK7a
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-GCM-NoPadding
DES-CBC-PKCS5Padding

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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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