Adware.Gexin.18973

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) q####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) r####.51####.com:80
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) a1.eas####.com:443
TCP(TLS/1.0) zs####.51####.com:443
TCP(TLS/1.0) d####.c####.l####.####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5226
TCP cm-1####.ig####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.u####.com
a1.eas####.com
api.map.b####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
cm-1####.ig####.com
loc.map.b####.com
r####.51####.com
rs.eas####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
zs####.51####.com
zs-im####.51####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_myE644
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_pUt878
q####.c####.l####.####.com/tdata_qHR433
r####.51####.com/media/js/layer/theme/default/layer.css?v=####
r####.51####.com/media/js/libraries/2.jquery.js
r####.51####.com/pages/1245?user_id####&app_version=####
r####.51####.com/public/pageMonitor?hit_id=####
r####.51####.com/ware/upload/froala/2019-11-11/59a9dfe4aab53b2aa2f44c0ec...
r####.51####.com/ware/upload/froala/2019-11-11/b7b1529e8384dc3bf5860ea72...
r####.51####.com/ware/upload/froala/2019-11-11/ed05c3025b10efa384d4ebe27...
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.u####.com/app_logs
c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/-1139696559-1276873722
/data/data/####/-2439302311420970919
/data/data/####/-332774796-639406032
/data/data/####/-479580814-2025232190
/data/data/####/-612782774-425159714
/data/data/####/-651161928-391393589
/data/data/####/-767825317-425159714
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/080227109d2ebdfffada0bce0d1e76d5ec9277a3d4deb54....0.tmp
/data/data/####/10725936651420970919
/data/data/####/3cd54001861f8ca64fb955d0deec3011992485deddd1e21....0.tmp
/data/data/####/462f7a04a1d6
/data/data/####/73a8883138a560ed3e71e0ce515f02a9ec29bff1b6ab64e....0.tmp
/data/data/####/7ff3d3a59ec5389a350c81a9f65b2fea9cc4520478b50a0....0.tmp
/data/data/####/94259e13aab37716d8a39130639cd0a7334da60368d4741....0.tmp
/data/data/####/_wisdomoperating.db
/data/data/####/_wisdomoperating.db-journal
/data/data/####/a00ab77e82569ca2976d150828d62b1ae8ed077d6cf216a....0.tmp
/data/data/####/abca2c9d44aef8edb59c369bc9e9bf1b3c99be1fcb38d78....0.tmp
/data/data/####/app_info.xml
/data/data/####/authStatus_com.example.wisdomoperating;remote.xml
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/config.json
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device_id.xml.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/firll.dat
/data/data/####/first_pref.xml
/data/data/####/gx_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/multidex.version.xml
/data/data/####/null_demo.db-journal
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/saveInfo.xml
/data/data/####/saveInfo.xml (deleted)
/data/data/####/saveInfo.xml.bak (deleted)
/data/data/####/server.json
/data/data/####/splash_ad
/data/data/####/tdata_myE644
/data/data/####/tdata_myE644.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/app.db
/data/media/####/com.example.wisdomoperating.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/dee14b50e9da85ee341adcd0ea36afa3.0.tmp
/data/media/####/dee14b50e9da85ee341adcd0ea36afa3.1.tmp
/data/media/####/easemob.log
/data/media/####/journal.tmp
/data/media/####/tdata_myE644
/data/media/####/test.0
/data/media/####/yoh.dat
/data/media/####/yol.dat
/data/media/####/yom.dat

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh

Loads the following dynamic libraries:

getuiext2
gif
hyphenate
hyphenate_av
hyphenate_av_recorder
libjiagu
locSDK7

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
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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