Adware.Gexin.377

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) api.j####.com:80
TCP(HTTP/1.1) img.j####.com:80
TCP(HTTP/1.1) ws.j####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(TLS/1.0) img.j####.com:443
TCP(TLS/1.0) zz.bdst####.com:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP(TLS/1.0) redi####.network####.com:443
TCP(TLS/1.0) dc1.network####.com:443
TCP(TLS/1.0) www.a.sh####.com:443
TCP(TLS/1.0) 1####.217.20.110:443
TCP(TLS/1.0) mipc####.jom####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) dxp.b####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
and####.b####.qq.com
api.j####.com
c####.g####.ig####.com
c-h####.g####.com
c.mi####.com
dc1.network####.com
dxp.b####.com
h####.b####.com
hm.b####.com
img.j####.com
m.j####.com
r####.wx.qq.com
redi####.network####.com
reso####.j####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sp0.b####.com
ws.j####.com
www.go####.com
www.j####.com
zz.bdst####.com

HTTP GET requests:

api.j####.com/v2/ad/slide_list?position=####&source=####&version=####
api.j####.com/v2/app/new/nowActivityList?source=####&version=####
api.j####.com/v4/user/follow/recommends?page=####&limit=####&source=####...
api.j####.com/v6/catalogue/list?source=####&version=####
api.j####.com/v6/information/list?catelogue_key=####&limit=####&informat...
img.j####.com/v3/topic/by_tag_list?tag=####&limit=####&topic_id=####&fla...
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_YYn966
sni.c####.q####.####.net/tdata_eOt091
ws.j####.com/ws

HTTP POST requests:

a####.exc.mob.com/errconf
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.duid
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.vpl_lock
/data/data/####/08251f2d7e681badaa254d85668636cb8bd9dfb2274d264....0.tmp
/data/data/####/0bea400ca09f5356acfb96cd2e2e6189efefc055eb22d3a....0.tmp
/data/data/####/1002
/data/data/####/1004
/data/data/####/12b4bcb24e5bfaf6281cc874b4f79af8a5a5dd3e3e86260....0.tmp
/data/data/####/1810a329076e2780977fa9b8fde4bdc159a429e5a5dcffd....0.tmp
/data/data/####/2f4e80b0c99a0b6357fd4c50412c6e3400229c707d14cc3....0.tmp
/data/data/####/334d5f6ad913d3ca19965b9af23f625e87c821dc88651be....0.tmp
/data/data/####/4e675378dad6a425d85c3c61989db4c9.0.tmp
/data/data/####/4e675378dad6a425d85c3c61989db4c9.1.tmp
/data/data/####/59de69bf96d08650abbdb88d95b2a90288d2059c6caa3ee....0.tmp
/data/data/####/5a68d06000b912fa61b498ec1eb40219.0.tmp
/data/data/####/5a68d06000b912fa61b498ec1eb40219.1.tmp
/data/data/####/70e63e966ee18e5a7c7cafce56da9367.0.tmp
/data/data/####/70e63e966ee18e5a7c7cafce56da9367.1.tmp
/data/data/####/7ba288f360cc8087f525cff87a8487046a83259c22354f9....0.tmp
/data/data/####/8d323be3d25c789a342fcba487940e31e18d18b5bba3271....0.tmp
/data/data/####/916658480d1036a80c6c7010b2aa63d67721256326d402a....0.tmp
/data/data/####/93b76baf4752fe8daf794664e34fdeb2ec51e69b79b64b7....0.tmp
/data/data/####/944c38baf96641a9f051f2c349f6316f491b925c6b05330....0.tmp
/data/data/####/9b3ed74cd952fbcad523a36316029405cb2ecb374a4300e....0.tmp
/data/data/####/9bbec96187067936d39ddcfcae659f45.0.tmp
/data/data/####/9bbec96187067936d39ddcfcae659f45.1.tmp
/data/data/####/9d9f9085ce50432f73ace32de7c9b85802406390ec8ab2c....0.tmp
/data/data/####/MultiDex.lock
/data/data/####/ThrowalbeLog.db-journal
/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/####/__send_data_1526453965355
/data/data/####/a0ae3130477417776e0253b8254768f727ac8d7780ae0b0....0.tmp
/data/data/####/b8cb6001fc798be93975ca5ed3198e2e08f7a39359595ce....0.tmp
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/bugly_db_-journal
/data/data/####/c3707c91f048cfad3adb55e9d3e6ab095409091f0db4575....0.tmp
/data/data/####/c6068ae33dce69f74b9a27d3f5e891c547dacfa54dc18f8....0.tmp
/data/data/####/com.google.android.gms.appid-no-backup
/data/data/####/com.google.android.gms.appid.xml
/data/data/####/com.google.android.gms.measurement.prefs.xml
/data/data/####/com.jinse.app.BETA_VALUES.xml
/data/data/####/com.networkbench.agent.impl.v2_com.jinse.app.xml
/data/data/####/crashrecord.xml
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/df21c51ed50a8b1b51926e5699ee8dbc0dd7dba6b3940e8....0.tmp
/data/data/####/ed754ecd02ffbe77f8981cc638f9f32905296d166ca41ed....0.tmp
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/f_000007
/data/data/####/f_000008
/data/data/####/f_000009
/data/data/####/f_00000a
/data/data/####/f_00000b
/data/data/####/f_00000c
/data/data/####/f_00000d
/data/data/####/f_00000e
/data/data/####/f_00000f
/data/data/####/f_000010
/data/data/####/f_000011
/data/data/####/f_000012
/data/data/####/f_000013
/data/data/####/f_000014
/data/data/####/f_000015
/data/data/####/f_000016
/data/data/####/f_000017
/data/data/####/f_000018
/data/data/####/f_000019
/data/data/####/f_00001a
/data/data/####/f_00001b
/data/data/####/f_00001c
/data/data/####/f_00001d
/data/data/####/f_00001e
/data/data/####/f_00001f
/data/data/####/f_000020
/data/data/####/f_000021
/data/data/####/f_000022
/data/data/####/f_000023
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/google_app_measurement_local.db
/data/data/####/google_app_measurement_local.db-journal
/data/data/####/gx_sp.xml
/data/data/####/https_m.jinse.com_0.localstorage-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/jinse.xml
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu258041337.so
/data/data/####/local_crash_lock
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mtj_autoTracker.js
/data/data/####/multidex.version.xml
/data/data/####/notes-db-journal
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/trace_circle.data
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.artc_lock
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.im_lock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.mn_-1464060969
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.pkgs_lock
/data/media/####/.rc_lock
/data/media/####/.slw
/data/media/####/.ss_lock
/data/media/####/.timestamp
/data/media/####/64c42b5eb282451df9e5e6af7fe58f6e.0.tmp
/data/media/####/64c42b5eb282451df9e5e6af7fe58f6e.1.tmp
/data/media/####/9401fbd002c2a670498e6cf68c9ce9bb.0.tmp
/data/media/####/9401fbd002c2a670498e6cf68c9ce9bb.1.tmp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.jinse.app.bin
/data/media/####/com.jinse.app.db
/data/media/####/journal.tmp
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.JinSePushService 24269 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu258041337.so
getprop
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
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.service.JinSePushService 24269 300 0

Loads the following dynamic libraries:

Bugly
crash_analysis
getuiext2
libjiagu258041337

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about installed applications.

Gains access to information about running applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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