Adware.Gexin.9510

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) o####.map.b####.com:80
TCP(HTTP/1.1) oth.str.mdt.####.com:8080
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) 3####.97.9.52:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) cgi.con####.qq.com:80
TCP(HTTP/1.1) 7x####.v2.com.####.com:80
TCP(HTTP/1.1) oth.up####.mdt.####.com:8080
TCP(SSL/3.0) api.mei####.me:443
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.0) l.a####.qupaic####.com:443
TCP(TLS/1.0) api####.zhu####.com:443
TCP(TLS/1.0) api.mei####.me:443
TCP(TLS/1.0) api.map.b####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
api####.zhu####.com
api.map.b####.com
api.mei####.me
api.w####.com
c####.g####.ig####.com
c-h####.g####.com
cgi.con####.qq.com
fb.u####.com
l.a####.qupaic####.com
loc.map.b####.com
mt####.go####.com
o####.map.b####.com
oth.str.mdt.####.com
oth.up####.mdt.####.com
pi####.qq.com
pub-####.qin####.com
rs.eas####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sta####.i####.com

HTTP GET requests:

7x####.v2.com.####.com/users/1001/sample1_1.gif
7x####.v2.com.####.com/users/1001/sample2_1.gif
cgi.con####.qq.com/qqconnectopen/openapi/policy_conf?sdkv=####&appid=###...
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
t####.c####.q####.####.com/tdata_AXX896
t####.c####.q####.####.com/tdata_BAI450
t####.c####.q####.####.com/tdata_Fus136
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
loc.map.b####.com/sdk.php
o####.map.b####.com/offline_loc
oth.str.mdt.####.com:8080/analytics/upload
oth.str.mdt.####.com:8080/analytics/upload?sid=####
oth.up####.mdt.####.com:8080/beacon/vercheck
pi####.qq.com/mstat/report
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/####/.jg.ic
/data/data/####/.log.lock
/data/data/####/.log.ls
/data/data/####/1.jar
/data/data/####/1000.data-journal
/data/data/####/9.jar
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/DENGTA_META.xml
/data/data/####/PrefUtils.xml
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/authStatus_com.lanjingren.ivwen;remote.xml
/data/data/####/beacon_cover.xml
/data/data/####/beacon_cover_check.lock
/data/data/####/beacon_cover_load.lock
/data/data/####/beacon_db-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.lanjingren.ivwen291e22bf3ff544c0b102697cf31def32.xml
/data/data/####/com.lanjingren.ivwen_preferences.xml
/data/data/####/com.tencent.open.config.json.1104720340
/data/data/####/config.json
/data/data/####/dcSharedPreferences.dat.xml
/data/data/####/device_id.xml.xml
/data/data/####/feedback_push.xml
/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/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu.so
/data/data/####/mobclick_agent_cached_com.lanjingren.ivwen51
/data/data/####/multidex.version.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/####/run.pid
/data/data/####/server.json
/data/data/####/tdata_AXX896
/data/data/####/tdata_AXX896.jar
/data/data/####/tdata_BAI450
/data/data/####/tdata_BAI450.jar
/data/data/####/tdata_Fus136
/data/data/####/tdata_Fus136.jar
/data/data/####/tencent_analysis.db-journal
/data/data/####/umeng_feedback_conversations.xml
/data/data/####/umeng_feedback_user_info.xml
/data/data/####/umeng_general_config.xml
/data/data/####/weibo_sdk_aid1
/data/data/####/zhuge
/data/data/####/zhuge-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.mid.txt
/data/media/####/.nomedia
/data/media/####/201903031743147284.log
/data/media/####/5zfalrq72pouvhpnrrmm65ubt.tmp
/data/media/####/9aazfltidbuch43hcn0t7kjl.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/categoryinfo_v2.json
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.lanjingren.ivwen.db
/data/media/####/conlts.dat
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/icon.png
/data/media/####/license
/data/media/####/ls.db
/data/media/####/ls.db-journal
/data/media/####/meta.dat
/data/media/####/musicinfo.json
/data/media/####/servererror.json
/data/media/####/tdata_AXX896
/data/media/####/tdata_BAI450
/data/media/####/tdata_Fus136
/data/media/####/test.0
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/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>/com.igexin.sdk.PushService 25028 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.igexin.sdk.PushService 25028 300 0

Loads the following dynamic libraries:

MtaNativeCrash
genius_blur
getuiext2
gnustl_shared
hyphenate
libjiagu
locSDK7
qupai-media-jni
qupai-media-thirdparty
weibosdkcore

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding

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.

Gets information about accounts associated with the device (Google, Facebook, etc.).

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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