Adware.Gexin.18979

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) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) o####.map.b####.com:443
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) 2####.119.215.106:443
TCP(TLS/1.0) s####.j####.cn:443
TCP(TLS/1.0) ap####.cele####.com:443
TCP(TLS/1.0) loc.map.b####.com:443
TCP(TLS/1.0) 2####.119.169.82:443
TCP sdk.o####.t####.####.com:5224
UDP s.j####.cn:19000
TCP cm-1####.ig####.com:5225
UDP 1####.168.102.1:137
TCP 43.2####.88.92:7001

DNS requests:

7j####.c####.z0.####.com
ap####.cele####.com
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
cm-1####.ig####.com
dxp.b####.com
h####.b####.com
loc.map.b####.com
medi####.cele####.com
norma-e####.m####.com
o####.map.b####.com
plb####.u####.com
s####.j####.cn
s.j####.cn
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sis.j####.io
u####.u####.com
up####.sdk.jig####.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_SIq813
cdn-sdk####.g####.com.####.com/tdata_agG322
cdn-sdk####.g####.com.####.com/tdata_xEA084
norma-e####.m####.com/android/exchange/getpublickey.do
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/config/hz-hzv6.conf
ti####.c####.l####.####.com/file/20181015/f64794ebe04c435f836a70abeecc68...
ti####.c####.l####.####.com/file/20181019/4f8a3c0c69a04bcf89a97aea6e190e...
ti####.c####.l####.####.com/file/20181019/9facf7162a6b4d67a59f63acb64128...
ti####.c####.l####.####.com/file/20191202/99605e9f34d54a6b9c7486557f21f4...
ti####.c####.l####.####.com/file/20191203/0091ab8203f742898525c44f64d1e8...
ti####.c####.l####.####.com/file/20191203/af67a0f253844ceda70a4d1005c254...
ti####.c####.l####.####.com/file/20191204/26d00efc6f5a40309cefa3d00125f5...
ti####.c####.l####.####.com/tdata_LRe817

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
norma-e####.m####.com/push/android/external/add.do
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/129f72be-9449-4cd2-b776-2eb3b849174d
/data/data/####/1e944f4e-6b7e-4822-b64e-684a453c661b
/data/data/####/213c4ac6-5102-499d-afe6-07c823561613
/data/data/####/24079a7a-98c1-49dc-92c6-8bdcace05b71
/data/data/####/37106a20c09f000101bab3b53a2245e4e9efc24eba61e88....0.tmp
/data/data/####/3e31d24d0306e498e3ae1882e156cd1fbd1fc3e458ca066....0.tmp
/data/data/####/472d22bb8981
/data/data/####/640832d7-1067-49a9-828e-80188a76d963
/data/data/####/660321a3-13da-4db8-9a96-8fc7db4ba830
/data/data/####/83002ac3-f795-4eee-96cb-f0abdf900c43
/data/data/####/9194114fbca852cbf8adaf4d7786193ed7ff0e62fde9fd2....0.tmp
/data/data/####/98eaabae-20d1-456b-9cf4-ca57a40c6738
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/XR_REFRESH_KEY.xml
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__local_stat_full_cache.json
/data/data/####/__send_data_1575477555371
/data/data/####/__send_data_1575477589704
/data/data/####/__send_data_1575477610720
/data/data/####/__track_send_data_1575477590097
/data/data/####/__track_send_data_1575477610721
/data/data/####/a3b2d03903b32d297ac9e637ceb8ffc4eb50f1e5aecd5ad....0.tmp
/data/data/####/a==7.5.0&&V1.2.0_1575477550276_envelope.log
/data/data/####/appPackageNames_v2
/data/data/####/authStatus_com.analysis.fisheryhall.xml
/data/data/####/authStatus_com.analysis.fisheryhall;mult.xml
/data/data/####/authStatus_com.analysis.fisheryhall;pushservice.xml
/data/data/####/authStatus_com.analysis.fisheryhall;remote.xml
/data/data/####/b4b25a28f41b177281e9e854296397889ef470cf597c08b....0.tmp
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/c0a2334bfc9edea4bc0c0848b056a911e384552a98501c4....0.tmp
/data/data/####/cf3a2e4b615d1e60644c5d7f8e0dc7c65d463a44dc337e1....0.tmp
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTY3Mjk4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTYzMzQ2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTc0NTAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTc5NzA0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTcwODE4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NTgzMzEx;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc1NDc3NjA0MjA2;
/data/data/####/dW1weF9zaGFyZV8xNTc1NDc3NTUxNzA0;
/data/data/####/dW1weF9zaGFyZV8xNTc1NDc3NTUxNzQ2;
/data/data/####/ead4fec5-4cbf-4262-bbb0-b3344635c004
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/fd7e789b-f56e-442d-8aa2-75b8dc839375
/data/data/####/firll.dat
/data/data/####/gal.db
/data/data/####/gal.db-journal
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/hst.db
/data/data/####/hst.db-journal
/data/data/####/i==1.2.0&&V1.2.0_1575477563551_envelope.log
/data/data/####/i==1.2.0&&V1.2.0_1575477567375_envelope.log
/data/data/####/i==1.2.0&&V1.2.0_1575477604248_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_local_notification.db
/data/data/####/jpush_local_notification.db-journal
/data/data/####/jpush_local_notification.db-wal
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/jpush_uncaughtexception_file
/data/data/####/libcuid.so
/data/data/####/libjiagu513797370.so
/data/data/####/mtj_auto.config
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/mz_push_preference.xml
/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/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/share.db-journal
/data/data/####/tdata_SIq813
/data/data/####/tdata_SIq813.jar
/data/data/####/tdata_agG322
/data/data/####/tdata_agG322.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.jar
/data/data/####/trace_circle.data
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml (deleted)
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.push_deviceid
/data/media/####/.timestamp
/data/media/####/.umm.dat
/data/media/####/2019-12-04.log.txt
/data/media/####/255633e1-f975-458f-b4f0-e0c2f879ad1f
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.analysis.fisheryhall.bin
/data/media/####/com.analysis.fisheryhall.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/sysid.dat
/data/media/####/tdata_SIq813
/data/media/####/tdata_agG322
/data/media/####/tdata_xEA084
/data/media/####/test.log
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.fserivices.DemoPushService 25458 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.build.display.id
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.miui.ui.version.name
getprop ro.smartisan.version
getprop ro.vivo.os.version
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.fserivices.DemoPushService 25458 300 0

Loads the following dynamic libraries:

BaiduMapSDK_base_v5_1_0
getuiext3
jcore121
libjiagu513797370
locSDK7b
securityenv

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-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 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

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