Adware.Gexin.2372

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) res.i####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sh.wagbr####.aliyun####.com:80
TCP(TLS/1.0) log.kaip####.com:443
TCP(TLS/1.0) p####.kaip####.com:443
TCP(TLS/1.0) hm.b####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP(TLS/1.0) hq.kaip####.com:443
TCP(TLS/1.0) his.kaip####.com:443
TCP(TLS/1.0) lhb.kaip####.com:443
TCP(TLS/1.0) res.i####.com:443
TCP(TLS/1.0) hotfix####.aliy####.com:443
TCP(TLS/1.0) res.kaip####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
art####.kaip####.com
c####.g####.ig####.com
c-h####.g####.com
h####.b####.com
his.kaip####.com
hm.b####.com
hotfix####.aliy####.com
hq.kaip####.com
lhb.kaip####.com
log.kaip####.com
p####.kaip####.com
r####.kaip####.com
res.i####.com
res.kaip####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

res.i####.com/adv/1529569565_213.png
res.i####.com/adv/1534209595_360.png
res.i####.com/adv/1534557239_646.png
res.i####.com/adv/1534557257_338.png
res.i####.com/adv/1534557280_321.png
res.i####.com/adv/1534557305_377.png
res.i####.com/stock/stockcode_1536541372.xml
t####.c####.q####.####.com/tdata_vHH584
t####.c####.q####.####.com/tdata_wmL809
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
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/####/.jg.ic
/data/data/####/Alvin2.xml
/data/data/####/ApplicationCache.db-journal
/data/data/####/ContextData.xml
/data/data/####/Goods.db
/data/data/####/Goods.db-journal
/data/data/####/KPL_CACHE-journal
/data/data/####/KPL_PREFS.xml
/data/data/####/KplL.db
/data/data/####/KplL.db-journal
/data/data/####/LHBUpdateTips.db
/data/data/####/LHBUpdateTips.db-journal
/data/data/####/MultiDex.lock
/data/data/####/PARAMS_INFO.xml
/data/data/####/StockGroup.db
/data/data/####/StockGroup.db-journal
/data/data/####/StockState.xml
/data/data/####/UserRelate.db
/data/data/####/UserRelate.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_1536593265000
/data/data/####/baidu_mtj_sdk_record.xml
/data/data/####/baidu_mtj_sdk_record.xml.bak
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/device.xml
/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/####/gdaemon_20161017
/data/data/####/geofencing.db
/data/data/####/geofencing.db-journal
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/https_page.kaipanla.com_0.localstorage-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libcuid.so
/data/data/####/libjiagu-905891740.so
/data/data/####/mipush_extra.xml
/data/data/####/mipush_region
/data/data/####/mipush_region.lock
/data/data/####/multidex.version.xml
/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/####/sp_sophix.xml
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/tdata_wmL809
/data/data/####/tdata_wmL809.jar
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/-213246679
/data/media/####/-219794336
/data/media/####/-768607937
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.nomedia
/data/media/####/.timestamp
/data/media/####/1070994525
/data/media/####/1875701405
/data/media/####/3672
/data/media/####/669921000
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.aiyu.kaipanla.bin
/data/media/####/com.aiyu.kaipanla.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/kpl.log
/data/media/####/tdata_vHH584
/data/media/####/tdata_wmL809
/data/media/####/test.log

Miscellaneous:

Executes next shell scripts:

<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.getui.GPushService 24684 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-905891740.so
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>.push.getui.GPushService 24684 300 0

Loads the following dynamic libraries:

crash_analysis
getuiext2
libjiagu-905891740

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses special library to hide executable bytecode.

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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