Adware.Gexin.19283

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) skb.91jie####.com:80
TCP(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) 1####.211.155.197:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) zb-cent####.m.ta####.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) ad####.m.ta####.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) ada####.m.ta####.com:80
TCP(TLS/1.0) nbsdk-b####.al####.com:443
TCP cm-1####.ig####.com:5227
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
acs4bai####.m.ta####.com
ad####.m.ta####.com
ada####.m.ta####.com
api.s####.mob.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
m.d####.mob.com
nbsdk-b####.al####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
skb.91jie####.com
wb.110.ta####.com
y####.al####.com

HTTP GET requests:

ad####.m.ta####.com/rest/gc2?ak=####&av=####&c=####&d=####&sv=####&t=###...
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_jbc429
m.d####.mob.com/v3/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_RTc910
sdk.o####.p####.####.com/api/addr.htm
skb.91jie####.com/index.php/Ports/Data/getWelcomeImg
zb-cent####.m.ta####.com/gw-open/mtop.taobao.tbk.sdk.config/1.0/?data=####

HTTP POST requests:

1####.211.155.197/snsconf
a####.exc.mob.com/errconf
ada####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=###...
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1d77ea041509fe06.lock
/data/data/####/21c22f492aba3de8.lock
/data/data/####/373d8d671d71
/data/data/####/8ef9c457b3bbb403.lock
/data/data/####/930a31b34bd52c08.lock
/data/data/####/AlibcLinkPartner.xml
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/SGMANAGER_DATA2
/data/data/####/SGMANAGER_DATA2 (deleted)
/data/data/####/SGMANAGER_DATA2.tmp
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UTCommon.xml
/data/data/####/aliTradeConfigSP.xml
/data/data/####/ap.Lock
/data/data/####/auth_sdk_device.xml
/data/data/####/com.jierong.share_preferences.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libsgmainso-5.1.81.so.tmp
/data/data/####/lock.lock
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/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/####/shareConfig.xml
/data/data/####/share_sdk_1
/data/data/####/sp.lock
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_jbc429
/data/data/####/tdata_jbc429.jar
/data/data/####/timestamp
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/data/####/webviewCookiesChromiumPrivate.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/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jierong.share.bin
/data/media/####/com.jierong.share.db
/data/media/####/dd7893586a493dc3
/data/media/####/hid.dat
/data/media/####/tdata_cpZ817
/data/media/####/tdata_jbc429
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.MgtService 24692 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.MgtService 24692 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu
neh
sgmainso-5.1
ut_c_api

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-ECB-PKCS7Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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