Android.Gexin.217

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:443
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:80
TCP(HTTP/1.1) hk.wagbr####.non####.####.com:80
TCP(HTTP/1.1) na61-####.wagbr####.ali####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) a####.m.ta####.com:80
TCP(TLS/1.0) f####.ch####.com:443
TCP i####.wan####.ta####.com:443

DNS requests:

a####.m.ta####.com
and####.b####.qq.com
f####.ch####.com
hotp####.wan####.ta####.com
i####.wan####.ta####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
tcms-a####.wan####.ta####.com
wb.110.ta####.com
y####.al####.com

HTTP GET requests:

tcms-a####.wan####.ta####.com:443/imlogingw/tcp60login?devid=####&ver=####

HTTP POST requests:

a####.m.ta####.com/rest/gc?dd=####&nsgs=####&ak=####&av=####&c=####&v=##...
a####.m.ta####.com/rest/sur?ak=####&av=####&c=####&v=####&s=####&d=####&...
and####.b####.qq.com/rqd/async?aid=####
hk.wagbr####.non####.####.com/saveWb.json
na61-####.wagbr####.ali####.####.com/api/update.do

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/0a231bd8575dcf72.txt
/data/data/####/1004
/data/data/####/1d77ea041509fe06.lock
/data/data/####/49814c4f5ac2f2f9.lock
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/MultiDex.lock
/data/data/####/SGMANAGER_DATA.xml
/data/data/####/UTCommon.xml
/data/data/####/UTMCConf2139252126.xml
/data/data/####/UTMCLog2139252126.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/chemao_sharepref.xml
/data/data/####/com.really.car_2190
/data/data/####/com.really.car_TcmsService_2298
/data/data/####/com.really.car_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/libjiagu578126948.so
/data/data/####/libsecuritysdkx-3.1.27.so.tmp
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pushsdk.db-journal
/data/data/####/security_info
/data/data/####/sp.lock
/data/data/####/tcms_setting_sp.xml
/data/data/####/umeng_general_config.xml
/data/data/####/ywAccount.xml
/data/media/####/.cuid
/data/media/####/2_20200422_r
/data/media/####/6c709c11d2d46a7b
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/dd7893586a493dc3

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
cat /proc/cpuinfo | grep Serial
chmod 755 <Package Folder>/.jiagu/libjiagu578126948.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.product.cpu.abi
getprop ro.secure
getprop ro.vivo.os.build.display.id
ls -l /system/xbin/su

Loads the following dynamic libraries:

Bugly
getuiext2
inet.2.0
libjiagu578126948
securitysdk-3.1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding

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 running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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