Adware.Gexin.9174

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Accesses the ITelephony private interface.

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) api.c####.link####.cn:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) cn-hang####.oss####.aliyun####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) inter####.mifaqia####.com:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) res####.a####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
api.c####.link####.cn
c####.g####.ig####.com
c-h####.g####.com
cn-hang####.oss####.aliyun####.com
fp.fraudme####.cn
inter####.mifaqia####.com
l####.tbs.qq.com
log.u####.com
res####.a####.com
s####.u####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

api.c####.link####.cn/info/verfiy_api_id?api_id=####&api_secret=####
cn-hang####.oss####.aliyun####.com/amap-api/comm/upload/CoordinateSoEnhe...
t####.c####.q####.####.com/tdata_Rnl693
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_fEV688
t####.c####.q####.####.com/tdata_ntt510
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/1004
/data/data/####/1551190250365.log
/data/data/####/1551190250365.log.bak (deleted)
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/bugly_db_-journal
/data/data/####/config.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/disk_entries_list_image_cache_-1975203696.xml
/data/data/####/fm_shared.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libjiagu818708835.so
/data/data/####/libwgs2gcj.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/native_record_lock
/data/data/####/pref.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/td_fm.jar
/data/data/####/tdata_Rnl693
/data/data/####/tdata_Rnl693.jar
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_fEV688
/data/data/####/tdata_fEV688.jar
/data/data/####/tdata_ntt510
/data/data/####/tdata_ntt510.jar
/data/data/####/umeng_socialize.xml
/data/media/####/1551190248263.db
/data/media/####/1551190251284.db
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jnq.borrowmoney.bin
/data/media/####/com.jnq.borrowmoney.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_Rnl693
/data/media/####/tdata_Soq141
/data/media/####/tdata_fEV688
/data/media/####/tdata_ntt510
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.PushBaseService 24959 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop
getprop net.dns1
getprop ro.product.cpu.abi
ls -l /system/xbin/su

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu818708835
tongdun

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial