Android.Gexin.1613

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ap####.v0.m####.com:80
TCP(HTTP/1.1) mo####.api.hun####.com:80
TCP(HTTP/1.1) x.da.hun####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) log.da.hun####.com:80
TCP(HTTP/1.1) m####.api.m####.com:80
TCP(HTTP/1.1) ci.mi.c####.cn:80
TCP(HTTP/1.1) chinawe####.c####.l####.####.com:80
TCP(HTTP/1.1) g####.hun####.com:80
TCP(HTTP/1.1) www.qchann####.cn:80
TCP(HTTP/1.1) res####.a####.com:80
TCP(HTTP/1.1) a####.u####.com.####.com:80
TCP(TLS/1.2) 1####.251.36.46:443
TCP sdk-ope####.g####.com:80
TCP 43.2####.145.6:5227
TCP t####.nz4.g####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
ap####.v0.m####.com
api####.a####.com
au.u####.co
au.u####.co.####.8
au.u####.com
au.u####.com.####.8
c-h####.g####.com
cdn-sdk####.g####.com
ci.mi.c####.cn
g####.hun####.com
log.da.hun####.com
m####.api.m####.com
m####.go####.com
m.i####.com
m.i####.com.####.8
mo####.api.hun####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.i####.####.8
sdk.o####.i####.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
t####.nz4.g####.com
www.qchann####.cn
x.da.hun####.com

HTTP GET requests:

ap####.v0.m####.com/pv.php?act=####&fpid=####&ch=####&guid=####&mf=####&...
cdn-sdk####.g####.com.####.com/tdata_uxV795
chinawe####.c####.l####.####.com/config/wxv9.conf
ci.mi.c####.cn/s?a=####
g####.hun####.com/mobile/distribute.do?deviceid=####
mo####.api.hun####.com/channel/getList?device=####&appVersion=####&osTyp...
mo####.api.hun####.com/mobile/getCategorys?device=####&appVersion=####&o...
mo####.api.hun####.com/mobile/getRsaKey?uid=####&appVersion=####&osVersi...
mo####.api.hun####.com/mobile/iconLink?device=####&appVersion=####&osTyp...
mo####.api.hun####.com/mobile/loadimage?device=####&appVersion=####&osTy...
mo####.api.hun####.com/mobile/update
mo####.api.hun####.com/v1/config/play?mod=####&decoder_type=####&app_ver...
ti####.c####.l####.####.com/tdata_EDT369
ti####.c####.l####.####.com/tdata_wkF366
x.da.hun####.com/mmasdk.xml

HTTP POST requests:

a####.u####.com.####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
ci.mi.c####.cn/nhx/j/zf4
ci.mi.c####.cn/v/lc7
log.da.hun####.com/v1/t
m####.api.m####.com/mpns/parseLog
res####.a####.com/v3/log/init
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
www.qchann####.cn/center/adj
www.qchann####.cn/center/adj?appkey=####
x.da.hun####.com/json/app/boot

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/05d9aacfa237
/data/data/####/ImgoPad-journal
/data/data/####/MATSharedPreferences.xml
/data/data/####/MGTVCommon.xml
/data/data/####/MGTVCommon.xml.bak
/data/data/####/MV3Plugin.ini
/data/data/####/MV3Plugin_Default.ini
/data/data/####/QT.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_ire-journal
/data/data/####/arch.xml
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/cn.com.mma.mobile.tracking.other.xml
/data/data/####/cn.com.mma.mobile.tracking.sdkconfig.xml
/data/data/####/com.shg.shadow.ying_preferences.xml
/data/data/####/exchangeIdentity.json
/data/data/####/gx_sp.xml
/data/data/####/increment.db-journal
/data/data/####/init.pid
/data/data/####/last_know_location.xml
/data/data/####/libjiagu.so
/data/data/####/metrics_guid
/data/data/####/mgsdk.xml
/data/data/####/nz.dex
/data/data/####/nz.dex.flock (deleted)
/data/data/####/nz.jar
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qtsession.xml
/data/data/####/run.pid
/data/data/####/tdata_uxV795.dex (deleted)
/data/data/####/tdata_uxV795.dex.flock (deleted)
/data/data/####/tdata_uxV795.jar
/data/data/####/tdata_uxV795.tmp
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/z4c985fe5.xml
/data/data/####/z4c985fe5.xml.bak
/data/media/####/.nomedia
/data/media/####/0295d2dcc629da5c4045ac75695025dd
/data/media/####/2dfd06a6bcf3760b24357d9606e470fb
/data/media/####/5c019c1a5614e1b0dc85c5e7f24d06cc
/data/media/####/69040f1a17287ce1db2b8c5c3e6fcf76
/data/media/####/AN.csv-20220509201652
/data/media/####/TruthInfo.csv-1652116613301
/data/media/####/UA.csv-20220509201653
/data/media/####/UnicomTrafficFree.log
/data/media/####/app.db
/data/media/####/cc12c74fd520fa001ab32a0a65a3e25a
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.shg.shadow.ying.db
/data/media/####/fb7e71a2a94c1cce892cf8f102cd5f22
/data/media/####/journal
/data/media/####/journal.tmp
/data/media/####/qt.csv.1652116607447.txt
/data/media/####/tdata_uxV795
/data/media/####/uuid
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/cpuinfo
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
ps -P
sh

Loads the following dynamic libraries:

libjiagu
libmresearch

Uses the following algorithms to encrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
DES
DES-CBC-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CFB-NoPadding
AES-ECB-PKCS5Padding
DES
DES-CBC-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.

Gets information about running apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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