Adware.Gexin.6923

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) 2####.5.5.5:53
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) s.a.longy####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) l####.c####.q####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) kan####.go####.com.cn:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) t####.dmp.y####.net:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) s.y####.net:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) f####.z####.dom####.com:80
TCP c####.g####.ig####.com:5226
TCP sdk.o####.t####.####.com:5224

DNS requests:

1####.ba####.nd####.####.com
1####.nd####.y####.com
2####.nd####.y####.com
7j####.c####.z0.####.com
a####.u####.com
and####.b####.qq.com
c####.g####.ig####.com
c-h####.g####.com
f####.z####.dom####.com
kan####.go####.com.cn
pi####.qq.com
s####.gw.y####.net
s.a.longy####.com
s.y####.net
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sdk.st####.y####.com
t####.dmp.y####.net

HTTP GET requests:

f####.z####.dom####.com/url/data_url.json
l####.c####.q####.####.com/core/aos-dex/1809/8301/a02b4e61
l####.c####.q####.####.com/core/aos-so/1611/7000/ad389c56.so
s.y####.net/aos/v3/initf?s=####
s.y####.net/stat/aos/v3/pkc?s=####
s.y####.net/stat/aos/v3/pku?s=####
s.y####.net/stat/v3/udt2?appid=####&s=####
t####.c####.q####.####.com/tdata_kgM272
t####.c####.q####.####.com/tdata_vHH584
ti####.c####.l####.####.com/config/hz-hzv3.conf

HTTP POST requests:

a####.u####.com/app_logs
and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
kan####.go####.com.cn/zl/api/html/list
kan####.go####.com.cn/zl/api/kf/getQQGroup
kan####.go####.com.cn/zl/api/wz/url
kan####.go####.com.cn/zl/api/wz_hb/list
pi####.qq.com/mstat/report/?index=####
s.a.longy####.com/
sdk.o####.p####.####.com/api.php?format=####&t=####
t####.dmp.y####.net/v1/android/packages?rt=####&sign=####
t####.dmp.y####.net/v2/android/pkgtime?rt=####&sign=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.mta-wxop.xml
/data/data/####/0f7970fc6e67499a71a27a391941755d
/data/data/####/0f7970fc6e67499a71a27a391941755d-journal
/data/data/####/1002
/data/data/####/1004
/data/data/####/44f3bafc37951673c33172babcd10b50
/data/data/####/44f3bafc37951673c33172babcd10b50-journal
/data/data/####/6f293ca9c65af36df5a82a6c9d6d0df1-journal
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/C0XKJAO3JLZKJPDKJFXLINQCJIOAOD.xml
/data/data/####/CE94557724F842149D690D0E8CBB1CBD.xml
/data/data/####/MultiDex.lock
/data/data/####/P15pKIjsm64m
/data/data/####/P15pKIjsm64m-journal
/data/data/####/T1oX0rhhuXWt
/data/data/####/T1oX0rhhuXWt-journal
/data/data/####/XKwVoK0huy3R
/data/data/####/XKwVoK0huy3R-journal
/data/data/####/b72d4aaac8ae75c416d82ff9fdd493b9ec7a55da51c2a96....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.gosing.earn.kdkd.BETA_VALUES.xml
/data/data/####/com.gosing.earn.kdkd.BETA_VALUES.xml.bak
/data/data/####/com.gosing.earn.kdkd_preferences.xml
/data/data/####/crashrecord.xml
/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/####/jqIqJYOT3JpT
/data/data/####/jqIqJYOT3JpT-journal
/data/data/####/jump.xml
/data/data/####/libabcdefgh.so.new
/data/data/####/libjiagu-760593052.so
/data/data/####/local_crash_lock
/data/data/####/longyun_sdk.xml
/data/data/####/multidex.version.xml
/data/data/####/pri_wxop_tencent_analysis.db-journal
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qqgroup.xml
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_kgM272
/data/data/####/tdata_kgM272.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/wIU6pTyUBYWX
/data/data/####/wIU6pTyUBYWX-journal
/data/data/####/webview.db-journal
/data/data/####/wsUL1uCdKvjD
/data/data/####/wsUL1uCdKvjD-journal
/data/data/####/wx_share.cfg.xml
/data/data/####/wxop_tencent_analysis.db-journal
/data/data/####/ymdex.jar
/data/data/####/ymdex.jar.new
/data/media/####/.mid.txt
/data/media/####/.nomedia
/data/media/####/DXTX902KJZX9JASLDJF
/data/media/####/DXTX902KJZX9JASLDJF.ymtf
/data/media/####/SOX90123JSOALK2098SD
/data/media/####/SOX90123JSOALK2098SD.ymtf
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.gosing.earn.kdkd.bin
/data/media/####/com.gosing.earn.kdkd.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/i42d45df023jnkdd93la483f9xGFKXI
/data/media/####/s92TjjdfoP2n3o9dfji2l9s1olkjf0p
/data/media/####/tdata_kgM272
/data/media/####/tdata_vHH584
/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
/system/bin/cat /sys/devices/system/cpu/kernel_max
/system/bin/sh -c getprop
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.gosing.pocketgain.service.PushInitializeService 24940 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017

Loads the following dynamic libraries:

Bugly
abcdefgh
getuiext2
libjiagu-760593052

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding
DES
PBEWITHMD5andDES
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding
PBEWITHMD5andDES

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 installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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