Adware.Gexin.20144

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) sdk-ope####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) i####.kangaiz####.net:8090
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) tinychi####.q####.com.####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(HTTP/1.1) www.kangaiz####.net:9080
TCP(TLS/1.0) wanp####.127.net:443
TCP(TLS/1.0) lbs.net####.im:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5225

DNS requests:

a####.b####.qq.com
a####.u####.com
and####.b####.qq.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cm-1####.g####.com
i####.kangaiz####.net
lbs.net####.im
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
wanp####.127.net
www.kangaiz####.net

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_ViN250
cdn-sdk####.g####.com.####.com/tdata_pKX830
i####.kangaiz####.net:8090/2018/09/06/162710-64814216.png
i####.kangaiz####.net:8090/2019/04/15/092307-26061978.jpg
i####.kangaiz####.net:8090/2019/06/15/124703-43888533.png
i####.kangaiz####.net:8090/2019/06/21/140809-39661532.jpg
i####.kangaiz####.net:8090/2019/08/22/170526-53718160.png
i####.kangaiz####.net:8090/2020/03/13/151711-58435239.jpg
i####.kangaiz####.net:8090/2020/03/18/091732-86760915.png
i####.kangaiz####.net:8090/2020/03/18/121510-71819342.jpg
i####.kangaiz####.net:8090/2020/03/19/103539-17181214.png
i####.kangaiz####.net:8090/2020/04/24/151113-45613672.png
tinychi####.q####.com.####.com/config/hzv9.conf

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async?aid=####
a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
www.kangaiz####.net:9080/infomanage/rest/home/carousels.do
www.kangaiz####.net:9080/infomanage/rest/recure/rehabilitationTreatment/...
www.kangaiz####.net:9080/infomanage/rest/recure/seekDoctorDrug/getInform...

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Demo.null.xml
/data/data/####/NIMSDK_Config_0edb40d05a8b512c6ef8bd6a32aba723.xml
/data/data/####/NIMSDK_Push_Config.xml
/data/data/####/app_share.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.gky.cra_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.nomedia
/data/media/####/0564f116f4f8bd42360a357d8462363e36621a60110410....0.tmp
/data/media/####/0b4041e7e17bbb305bb1e49ee5d8245646bc3e85d4e3fd....0.tmp
/data/media/####/0f2be9900bd46dc7024e8f31cf0ba2188c816ff38e8fb1....0.tmp
/data/media/####/18f39321e6664d10fa07e53e35afbfab740612a4a13524....0.tmp
/data/media/####/20200426.log
/data/media/####/463a505615026410ac3733340938730421684467d33713....0.tmp
/data/media/####/46f0508a299550d48fec0e6bbe320b33504237fc3e1c23....0.tmp
/data/media/####/4b66d37dc093be1cdb10d01e2e059c570c4f84bd4c89bc....0.tmp
/data/media/####/6a7f425f2e7417496b05c5dfa7c73a9056cf6002c130b0....0.tmp
/data/media/####/6ec4af046a877640c35e2806bd56a2138d6c0e8c296228....0.tmp
/data/media/####/8cc323766c80449a9decaafc43539cc6f49a8742af6d8d....0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/aa4456c6df170bbd7f27b7dbd2fe8538de59f3e8945879....0.tmp
/data/media/####/app.db
/data/media/####/com.gky.cra.bin
/data/media/####/com.gky.cra.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/e892bcd006c62ef72fa72a6db7edd14c2484572a215373....0.tmp
/data/media/####/journal.tmp
/data/media/####/nim_sdk.log
/data/media/####/tdata_CoH340
/data/media/####/tdata_pKX830

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop androVM.vbox_dpi
/system/bin/sh -c getprop gsm.sim.state
/system/bin/sh -c getprop gsm.sim.state2
/system/bin/sh -c getprop qemu.sf.fake_camera
/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.debuggable
/system/bin/sh -c getprop ro.genymotion.version
/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.secure
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
chmod 755 <Package Folder>/.jiagu/libjiagu.so
getprop androVM.vbox_dpi
getprop gsm.sim.state
getprop gsm.sim.state2
getprop qemu.sf.fake_camera
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.debuggable
getprop ro.genymotion.version
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.secure
getprop ro.vivo.os.build.display.id

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-GCM-NoPadding

Uses special library to hide executable bytecode.

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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