Adware.Gexin.645

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) x####.tc.qq.com:80
TCP(HTTP/1.1) a####.w####.com:80
TCP(HTTP/1.1) sdk.o####.lbs.####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) lo####.w####.com:9443
TCP(HTTP/1.1) g####.w####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) cms####.w####.com.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cm####.w####.com:80
TCP(HTTP/1.1) log.w####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) lo####.w####.com:9442
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(TLS/1.0) vm.g####.cn.####.net:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) awake-s####.j####.cn:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP(TLS/1.0) cgiac####.tc.qq.com:443
TCP(TLS/1.0) bt####.v####.qq.com:443
TCP(TLS/1.0) sgv-ne####.w####.com:443
TCP(TLS/1.0) v.qq.com.####.net:443
TCP(TLS/1.0) mp.we####.qq.com:443
TCP(TLS/1.0) wild####.q####.cn.####.net:443
TCP(TLS/1.0) lmp.abe####.com:443
TCP(TLS/1.0) u####.j####.cn:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a####.w####.com
amap####.cn-hang####.oss####.####.com
and####.b####.qq.com
awake-s####.j####.cn
bt####.v####.qq.com
c####.g####.ig####.com
c-h####.g####.com
cm####.w####.com
cms####.w####.com
g####.w####.com
h####.v####.qq.com
i.g####.cn
l####.tbs.qq.com
lmp.abe####.com
lo####.w####.com
log.u####.com
log.w####.com
m####.q####.cn
mp.we####.qq.com
plb####.u####.com
r####.wx.qq.com
res####.a####.com
sdk.c####.ig####.com
sdk.o####.lbs.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sgv-ne####.w####.com
u####.j####.cn
u####.u####.com
up####.sdk.jig####.cn
v.q####.com
vm.g####.cn

HTTP GET requests:

cms####.w####.com.####.com/uploads/jpg/20180717/20180717112434sz.jpg
cms####.w####.com.####.com/uploads/jpg/20180717/201807171124525Q.jpg
cms####.w####.com.####.com/uploads/jpg/20180717/20180717112510NS.jpg
cms####.w####.com.####.com/uploads/jpg/20180717/20180717112528em.jpg
cms####.w####.com.####.com/uploads/jpg/20180726/201807260350121022388600...
cms####.w####.com.####.com/uploads/jpg/20180726/201807260351251022388907...
cms####.w####.com.####.com/uploads/jpg/20180726/201807260352491022389261...
cms####.w####.com.####.com/uploads/jpg/20180726/201807260411271022393949...
cms####.w####.com.####.com/uploads/jpg/20180726/201807260420351022396247...
sh.wagbr####.aliyun####.com/sdkcoor/android/x86/libJni_wgs2gcj.so
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_GgS168
sni.c####.q####.####.net/tdata_YYn966
sni.c####.q####.####.net/tdata_eOt091
sni.c####.q####.####.net/tdata_xzN627
x####.tc.qq.com/qqlive/images/20121119/i1353305744_1.jpg

HTTP POST requests:

a####.u####.com/app_logs
a####.w####.com/v2/ad
a####.w####.com/v2/config/sync
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
cm####.w####.com/uSystem/v1/getMoByDev
cm####.w####.com/uSystem/v1/getui/userGather
cm####.w####.com/uSystem/v1/link/getUserData
cm####.w####.com/uSystem/v3/level/list
cm####.w####.com/v1/banner/list
cm####.w####.com/v1/couponList
cm####.w####.com/v1/emptyAd/info
cm####.w####.com/v1/notice/list
cm####.w####.com/v1/publicNews/list
cm####.w####.com/v1/stationAcRules
cm####.w####.com/v1/version/patch
cm####.w####.com/v1/version/upgrade
cm####.w####.com/v2/operate/list
cm####.w####.com/v3/adNew/config
cm####.w####.com/v3/article/pgc
cm####.w####.com/v3/clientConfig/list
cm####.w####.com/v5/channel/list
cm####.w####.com/v5/linkPage/config
g####.w####.com/JsonApi.ashx
l####.tbs.qq.com/ajax?c=####&k=####
lo####.w####.com:9442/mksdk/
lo####.w####.com:9443/mkdev/
log.w####.com/v1/log/getConfig
sdk.o####.lbs.####.com/api.htm?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

Modified file system:

Creates the following files:

/data/data/####/-1505772727-518599727
/data/data/####/-1505772727-681022346
/data/data/####/-1505772727-882857438
/data/data/####/-15057727271663118309
/data/data/####/-1505772727173592797
/data/data/####/-1505772727513551288
/data/data/####/-1505772727705470373
/data/data/####/-18368152921143731967
/data/data/####/-1836815292183046623
/data/data/####/-18368152921995329118
/data/data/####/.imprint
/data/data/####/.old_file_converted
/data/data/####/1-cH-ptIOmsFi6vT2Q1Keud7IJQ.742926370.tmp
/data/data/####/1004
/data/data/####/1169538401150.0
/data/data/####/1198352672-291097941
/data/data/####/1538057693730.0
/data/data/####/1614064461-1566615052
/data/data/####/1614064461-471281025
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/356389887-156258778
/data/data/####/3563898871042933663
/data/data/####/3563898872083103147
/data/data/####/429679080-1651026430
/data/data/####/4c00bd3f-e82a-4dd4-865f-3783047c6600
/data/data/####/5599507442113.0
/data/data/####/565685775431034297
/data/data/####/565685775600572857
/data/data/####/8907b8cc-eb43-400e-bac5-e84e95685683
/data/data/####/ApplicationCache.db-journal
/data/data/####/CHAO1HlfNF5JQtStpaYyG9VbLiA.-49597922.tmp
/data/data/####/ConnPreference.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/SRGBzB0Sh9pbE-zHnDc0-CIP3e4.1399703643.tmp
/data/data/####/TE0XcLtT_KROpPL8tu66eWjmR3E.-1265326988.tmp
/data/data/####/TE0XcLtT_KROpPL8tu66eWjmR3E.cnt
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/VGwdmgK8g1SA6ePCSCOnoNYUwnE.-948798077.tmp
/data/data/####/_nohttp_cache_db.db
/data/data/####/_nohttp_cache_db.db-journal
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/appPackageNames_v2
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cn.jiguang.wakesdk.preferences.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/daemon
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/debug.conf
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f92dc8bf-0831-42bc-ab94-37de14327d88
/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/####/filedownloader.db-journal
/data/data/####/gAXlhscmUcUU4S1430LopyytjXQ.1585971391.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gks_download.db-journal
/data/data/####/haCKELn5MOIYgTgtrR7Pla8C7nA.1887042271.tmp
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/hsad.db
/data/data/####/hsad.db-journal
/data/data/####/hsad.xml
/data/data/####/hsbb.db-journal
/data/data/####/hslog.db
/data/data/####/hslog.db-journal
/data/data/####/hslog.xml
/data/data/####/https_mp.weixin.qq.com_0.localstorage-journal
/data/data/####/https_mp.weixin.qq.com_0.localstorage-journal (deleted)
/data/data/####/https_v.qq.com_0.localstorage-journal
/data/data/####/i==1.2.0&&5.3.2_1532611786029_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jks.db-journal
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.1.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/####/oL1YaR-BbaV5CP8GSXF0vl5PimU.-575689276.tmp
/data/data/####/pref.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/####/sdk-db-journal
/data/data/####/sdk_info.xml
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_GgS168
/data/data/####/tdata_GgS168.jar
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/tdata_xzN627
/data/data/####/tdata_xzN627.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/zM1rPfzpo7m6NI8pqjZkDWgN4J4.1581308001.tmp
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.umm.dat
/data/media/####/1532611785342.db
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.nfyg.hsbb.bin
/data/media/####/com.nfyg.hsbb.db
/data/media/####/com.nfyg.hsbb_log.txt
/data/media/####/config.ini
/data/media/####/style.data
/data/media/####/tdata_GgS168
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/tdata_xzN627
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
/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>.services.getui.GetuiPushService 24262 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/app_bin/daemon
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.1.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.carrier.name
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.region
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
ls /
ls /sys/class/thermal
ps
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.services.getui.GetuiPushService 24262 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libimagepipeline
libnfix
libshella-2.9.0.1
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding
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-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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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