Adware.Gexin.23544

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.c####.g####.####.cn:80
TCP(HTTP/1.1) 1####.29.29.29:80
TCP(HTTP/1.1) lic####.v####.myqc####.####.com:80
TCP(HTTP/1.1) cn-hang####.oss####.aliyun####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) digital####.google####.com:443
TCP(TLS/1.0) and####.a####.go####.com:443
TCP(TLS/1.0) rr9---s####.g####.com:443
TCP(TLS/1.0) f####.gst####.com:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.0) 1####.177.14.138:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.0) nim-lbs####.nt####.net####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.2) connect####.gst####.com:443
TCP(TLS/1.2) digital####.google####.com:443
TCP(TLS/1.2) 1####.177.14.103:443
TCP l####.net####.im:8080
UDP p####.google####.com:443
TCP cm-1####.g####.com:5225
TCP ml####.l####.qc####.com:20166
TCP sdk.o####.t####.####.com:5224

DNS requests:

0####
7j####.c####.z0.####.com
a####.u####.com
and####.a####.go####.com
and####.cli####.go####.com
and####.google####.com
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cn-hang####.oss####.aliyun####.com
connect####.gst####.com
digital####.google####.com
f####.gst####.com
fm.r####.cn
gmscomp####.google####.com
l####.net####.im
lbs.net####.im
lic####.v####.myqc####.com
loc.map.b####.com
ml####.l####.qc####.com
nim.qi####.com
o####.map.b####.com
p####.google####.com
pla####.googleu####.com
qy-swa####.qi####.com
res####.a####.com
rr2---s####.g####.com
rr9---s####.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
wfd.net####.im
www.google####.com

HTTP GET requests:

cn-hang####.oss####.aliyun####.com/amap-api/comm/upload/CoordinateSoEnhe...
lic####.v####.myqc####.####.com/license/v1/984a6333d6ae369b7b2cc08f3aee4...
nim.qi####.com:443/webapi/user/da/config?ak=####
sdk.c####.g####.####.cn/config/hzv9.conf

HTTP POST requests:

a####.u####.com/app_logs
api.map.b####.com:443/sdkcs/verify
c-h####.g####.com/api.php?format=####&t=####
nim.qi####.com:443/webapi/user/create.action?deviceid=####&appkey=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/NIMSDK_Config_b84a7121796b84aa053c53ec90156628.xml
/data/data/####/NIMSDK_Config_b84a7121796b84aa053c53ec90156628_...a9.xml
/data/data/####/Unicorn.b84a7121796b84aa053c53ec90156628.xml
/data/data/####/authStatus_cn.rrkd.courier.xml
/data/data/####/authStatus_cn.rrkd.courier;coreservice.xml
/data/data/####/authStatus_cn.rrkd.courier;locB.xml
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/cn.rrkd.courier.xml
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.qiyukf.analytics.xml.bak
/data/data/####/com.tencent.liteav.dev_uuid.xml
/data/data/####/exchangeIdentity.json
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/getui_sp.xml
/data/data/####/global.sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/k.store
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/libwgs2gcj.so
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mac.xml
/data/data/####/msg.db-journal
/data/data/####/ofl.config
/data/data/####/ofl_location.db
/data/data/####/ofl_location.db-journal
/data/data/####/ofl_statistics.db
/data/data/####/ofl_statistics.db-journal
/data/data/####/pref.xml
/data/data/####/pref.xml.bak
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/qiyu_save_b84a7121796b84aa053c53ec90156628.xml
/data/data/####/rrkd_courier.db-journal
/data/data/####/run.pid
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/unicorn#cheese#
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/1720058713355.db (deleted)
/data/media/####/1720058746841.db (deleted)
/data/media/####/LiteAV.mmap2
/data/media/####/LiteAV_20240704.xlog
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/cn.rrkd.courier.bin
/data/media/####/cn.rrkd.courier.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/rrkd_log.log
/data/media/####/spuid
/data/media/####/tmp.licence
/data/media/####/tmp_c_20240704
/data/media/####/tmp_u_20240704
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

chmod 755 <Package Folder>/.jiagu/libjiagu.so

Loads the following dynamic libraries:

libBaiduMapSDK_base_v5_2_0
libgetuiext2
libindoor
libjiagu
libliteavsdk
liblocSDK7b
libtxffmpeg

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
DES-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 APN settings.

Gets information about installed 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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