Adware.Gexin.3780

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) c-h####.g####.com:80
TCP(HTTP/1.1) cfg.i####.qq.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) p####.tc.qq.com:80
TCP(HTTP/1.1) s####.e.qq.com:80
TCP(HTTP/1.1) idu####.qini####.com:80
TCP(HTTP/1.1) mi.g####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) zuitou####.xa####.com:80
TCP(HTTP/1.1) s####.tc.qq.com:80
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 1####.217.20.110:443
TCP(TLS/1.0) s####.e.qq.com:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
and####.cli####.go####.com
c####.g####.ig####.com
c-h####.g####.com
cfg.i####.qq.com
imgc####.qq.com
mi.g####.qq.com
mt####.go####.com
p####.ugd####.com
plb####.u####.com
s####.e.qq.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.1####.com
u####.u####.com
zuitou####.xa####.com

HTTP GET requests:

idu####.qini####.com/image/p/2018/02/28/1519798961609395.jpg
idu####.qini####.com/image/p/2018/03/07/1520391679385418.jpg
idu####.qini####.com/image/p/2018/05/12/1526064993708551water.png
idu####.qini####.com/image/p/2018/10/20/1540008476145387.png
idu####.qini####.com/qupost/image/20181020/49/490bf09d7fb767d144ae3e1e37...
idu####.qini####.com/qupost/image/20181020/78/78a20d5c41849bfc0b6c07af09...
mi.g####.qq.com/gdt_mview.fcg?actual_width=####&count=####&r=####&templa...
mi.g####.qq.com/gdt_mview.fcg?posw=####&spsa=####&posh=####&count=####&r...
p####.tc.qq.com/qzone/biz/gdt/mod/android/AndroidAllInOne/proguard/his/r...
s####.tc.qq.com/gdt/0/EAAgR4oAKAAPAAAAOtcBbvxG6Da4xCQag.jpg/0?ck=####
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_Soq141
t####.c####.q####.####.com/tdata_vxj811

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
cfg.i####.qq.com/tbs?v=####&mk=####
s####.e.qq.com/activate
s####.e.qq.com/msg
sdk.o####.p####.####.com/api.php?format=####&t=####
zuitou####.xa####.com/index.php/Wbs?w####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/10a59350ec77542b4473da227c5f2d483e36da58705a502....0.tmp
/data/data/####/3098.yaqcookie
/data/data/####/BuglySdkInfos.xml
/data/data/####/GDTSDK.db
/data/data/####/GDTSDK.db-journal
/data/data/####/__xadsdk__remote__final__builtinversion__.jar
/data/data/####/a02f8c9e94ab9ec6e9b73ab35a71da91.temp
/data/data/####/core_info
/data/data/####/devCloudSetting.cfg
/data/data/####/devCloudSetting.sig
/data/data/####/dexMethod.82894129.dat
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/gdt_config.cfg
/data/data/####/gdt_plugin.jar
/data/data/####/gdt_plugin.jar.sig
/data/data/####/gdt_plugin.tmp
/data/data/####/gdt_plugin.tmp.sig
/data/data/####/gdt_stat.db
/data/data/####/gdt_stat.db-journal
/data/data/####/gdt_suid
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&3.4.6_1540060317019_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu-60666461.so
/data/data/####/libyaqbasic.82894129.so
/data/data/####/libyaqpro.82894129.so
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qihoo_jiagu_crash_report.xml
/data/data/####/run.pid
/data/data/####/sdkCloudSetting.cfg
/data/data/####/sdkCloudSetting.sig
/data/data/####/tbs_download_config.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/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/update_lc
/data/data/####/webview.db-journal
/data/data/####/yaqsdkcookie
/data/data/####/zuitoutiao.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/cc.zuitoutiao.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/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 24361 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu-60666461.so
getprop ro.product.cpu.abi
ls /sys/class/thermal

Loads the following dynamic libraries:

getuiext2
libjiagu-60666461
libyaqbasic.82894129
libyaqpro.82894129

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
DESede-ECB-PKCS5Padding
RSA-ECB-NoPadding
RSA-NONE-OAEPWithSHA1AndMGF1Padding
desede-CBC-PKCS5Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
DESede-ECB-PKCS5Padding
RSA-ECB-PKCS1Padding
desede-CBC-PKCS5Padding

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.

テクノロジー

用語

トレーニングコースおよび啓蒙プロジェクト

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