Adware.Gexin.9381

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.3.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ser####.dc####.net.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) qin####.com.www.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) ser####.dc####.net.cn:443
TCP(TLS/1.0) 1####.217.168.206:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

api.map.b####.com
c####.g####.ig####.com
c-h####.g####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ser####.dc####.net.cn
st####.dc####.net.cn

HTTP GET requests:

qin####.com.www.####.com/tdata_EDT356
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
ser####.dc####.net.cn/device/location

File system changes:

Creates the following files:

/data/data/####/.imei.txt
/data/data/####/.jg.ic
/data/data/####/SwbForServEngi.xml
/data/data/####/SwbForServEngi_storages.xml
/data/data/####/_adio.dcloud.feature.ad.a.a.xml
/data/data/####/authStatus_com.swb.SwbForServEngi.xml
/data/data/####/clientid_igexin.xml
/data/data/####/d5caec2521ef
/data/data/####/dc_ad_type_key.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/html5Geo.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu-709307271.so
/data/data/####/multidex.version.xml
/data/data/####/pdr.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/####/stream_permission.xml
/data/data/####/test_app
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.imei.txt
/data/media/####/1125x2436.png
/data/media/####/20190301.log
/data/media/####/2436x1125.png
/data/media/####/AdEnable.dat
/data/media/####/InvalidHome.html
/data/media/####/accDefForSelect.html
/data/media/####/add.html
/data/media/####/app-banner.jpg
/data/media/####/app.db
/data/media/####/app.js
/data/media/####/barCodeScan.html
/data/media/####/base.css
/data/media/####/base.js
/data/media/####/bizAuditInput-cont.html
/data/media/####/bizAuditInput.html
/data/media/####/chiefEngineerSelect.html
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.swb.SwbForServEngi.bin
/data/media/####/com.swb.SwbForServEngi.db
/data/media/####/comActionPostSelect-cont.html
/data/media/####/comActionPostSelect.html
/data/media/####/common.js
/data/media/####/conf.js
/data/media/####/descriptionPage.html
/data/media/####/detail.html
/data/media/####/devicePartListSelect.html
/data/media/####/dispatWorkOrderList.html
/data/media/####/eje3cnc
/data/media/####/engineerListForSelect.html
/data/media/####/error.png
/data/media/####/free.png
/data/media/####/home.html
/data/media/####/iconfont.css
/data/media/####/iconfont.eot
/data/media/####/iconfont.svg
/data/media/####/iconfont.ttf
/data/media/####/index.html
/data/media/####/info.png
/data/media/####/jquery.ext.css
/data/media/####/jquery.ext.js
/data/media/####/jquery.js
/data/media/####/laytpl.js
/data/media/####/list.html
/data/media/####/logreg-logPass-cont.html
/data/media/####/logreg-login-cont.html
/data/media/####/logreg-regist-cont.html
/data/media/####/logreg.html
/data/media/####/main.css
/data/media/####/main.js
/data/media/####/manifest.json
/data/media/####/mine-topbg.png
/data/media/####/mp3.js
/data/media/####/msg-client.js
/data/media/####/msuListForSelect.html
/data/media/####/mui.css
/data/media/####/mui.js
/data/media/####/mui.lazyload.img.js
/data/media/####/mui.lazyload.js
/data/media/####/mui.picker.all.js
/data/media/####/mui.picker.css
/data/media/####/mui.picker.min.js
/data/media/####/mui.poppicker.css
/data/media/####/mui.poppicker.js
/data/media/####/mui.previewimage.js
/data/media/####/mui.ttf
/data/media/####/mui.zoom.js
/data/media/####/myChargeItems.html
/data/media/####/myWorkOrderList.html
/data/media/####/notice-icon.png
/data/media/####/orders.html
/data/media/####/postScopeEntity.html
/data/media/####/proxiedWorkDetail.html
/data/media/####/readySubmitList.html
/data/media/####/receiverList.html
/data/media/####/reqVoucher.js
/data/media/####/reqWorkOrder.js
/data/media/####/scheduleList.html
/data/media/####/scopeEntity.html
/data/media/####/sendMsg.html
/data/media/####/servcChargeItemForSelect.html
/data/media/####/servcCompleted.html
/data/media/####/servcEval.html
/data/media/####/servcListForSelect.html
/data/media/####/servcOrder.js
/data/media/####/servcOrderChargeItemList.html
/data/media/####/servcOrderDetail.html
/data/media/####/servcOrderItemDetail.html
/data/media/####/servcOrderList.html
/data/media/####/servcOrderSubList.html
/data/media/####/servicerComListForSelect.html
/data/media/####/servicerListForSelect.html
/data/media/####/shopHome.js
/data/media/####/staffAccAppTurnVoucherList.html
/data/media/####/staffAccAppVoucherAdd.html
/data/media/####/staffAccIoRecord.html
/data/media/####/staffAccStockForSelect.html
/data/media/####/staffAccStockList.html
/data/media/####/staffAccTurnVoucherAdd.html
/data/media/####/staffQualiForView.html
/data/media/####/star-kong.png
/data/media/####/star.png
/data/media/####/tabList.html
/data/media/####/test.log
/data/media/####/warning.png
/data/media/####/web-socket.js
/data/media/####/workOrder.html
/data/media/####/workOrder.js
/data/media/####/workOrderDetail.html
/data/media/####/workOrderEvalInfo.html
/data/media/####/workOrderList.html
/data/media/####/workRec.html
/data/media/####/workTransCauseListForSelect.html
/data/media/####/workVoucerRejectSendMsg.html
/data/media/####/workVoucherAdd.html
/data/media/####/workVoucherSuperadd.html

Miscellaneous:

Executes the following shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 25141 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-709307271.so
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/io.dcloud.feature.apsGt.GTNormalPushService 25141 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v4_3_1
getuiext2
libjiagu-709307271

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

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.

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