Adware.Gexin.993

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) a####.u####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) l####.tbs.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) rs.380####.com.####.com:80
TCP(HTTP/1.1) rs.380####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) api.380####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(TLS/1.0) api.380####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP c####.g####.ig####.com:5224
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
a####.u####.com
and####.b####.qq.com
api.380####.com
c####.g####.ig####.com
c-h####.g####.com
hotfix####.aliy####.com
l####.tbs.qq.com
pub-####.qin####.com
rs.380####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

rs.380####.com.####.com/app/youdian_v3.4.0_20180803_06_42_eascs.apk
rs.380####.com/upload/gic/ad1/pub/2f6901b1e53a4e108d15962b88696d49.jpg
rs.380####.com/upload/gic/ad1/pub/4f97a22095097c97a96c0434310deef5.jpg
rs.380####.com/upload/gic/ad1/pub/52bea54c95af3645fefad16486cd8bb7.jpg
rs.380####.com/upload/gic/ad1/pub/5e90ec60dde6d5e4153cfc813944f51d.jpg
rs.380####.com/upload/gic/ad1/pub/6604bd4cdb9d44e3901a763641752e6a.jpg
rs.380####.com/upload/gic/ad1/pub/76193fbeb283d063ed58d0a870aef532.jpg
rs.380####.com/upload/gic/ad1/pub/c5bcac54f82f3cacdeaa6158ba8a534b.jpg
rs.380####.com/upload/gic/ad1/pub/d330418223a6e030d056fa841dc69234.jpg
sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_Soq141
sni.c####.q####.####.net/tdata_vxj811
t####.c####.q####.####.com/tdata_EDT356

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
api.380####.com/friendshop/36/home/adinfo.do
api.380####.com/friendshop/36/home/navigationlist.do
api.380####.com/yd/buyer/client/upgrade.do
c-h####.g####.com/api.php?format=####&t=####
l####.tbs.qq.com/ajax?c=####&k=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sh.wagbr####.aliyun####.com/man/api?ak=####&s=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/0c01990b2a3264ac2a00cb67a0bc65322032e2b150ff8b2....0.tmp
/data/data/####/1004
/data/data/####/26b2adb05cc3c8121f246210051a3d3611a310ae6153e06....0.tmp
/data/data/####/456d7aa5d8b398b17d597ea6f55beea97d2db044fcfaa27....0.tmp
/data/data/####/47504cedf153ac99ade822cbdb69b0a828c49e17c7149c2....0.tmp
/data/data/####/8d971296e16ea4178e724d9ae6a36d696800bf055d1d9a6....0.tmp
/data/data/####/9667f1f49567
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/FriendShipShop.xml
/data/data/####/MultiDex.lock
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/a1be7ae46ae7331fb33ae02ac22613e3ad0d11fbb2be8b8....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/d8d27bf09784e0d01344db2ea6621b8cee907dfbc74ce52....0.tmp
/data/data/####/dd06783652ec614af46c0bdcf54a8d1947fb032f068bb73....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-1772264162.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/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/####/runlife.config.xml
/data/data/####/security_info
/data/data/####/sp_sophix.xml
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_Soq141
/data/data/####/tdata_Soq141.jar
/data/data/####/tdata_vxj811
/data/data/####/tdata_vxj811.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/udesk_sdk.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.eascs.friendshipshop.bin
/data/media/####/com.eascs.friendshipshop.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_Soq141
/data/media/####/tdata_vxj811
/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>/com.eascs.base.push.EaPushService 25448 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-1772264162.so
getprop
getprop ro.product.cpu.abi
mount
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.eascs.base.push.EaPushService 25448 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libjiagu-1772264162

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

TECHNOLOGIES

TERMINOLOGIE

COURS ET EDU

MYTHES

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