Adware.Gexin.23586

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
UDP(DNS) <Google DNS>
TCP(HTTP/1.1) f####.gu####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) d####.opensp####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) h####.opensp####.cn:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) eco-pus####.me####.com:443
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) api.w####.cn:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(TLS/1.0) api.w####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) f####.gu####.com:443
TCP(TLS/1.0) eco####.me####.com:443
TCP(TLS/1.0) u####.u####.com:443
TCP(TLS/1.0) pass####.w####.com:443
TCP(TLS/1.0) w####.com:443
TCP(TLS/1.0) u####.g####.cn:443
TCP(TLS/1.0) weiboi####.g####.sina####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) plb####.u####.com:443
TCP(TLS/1.0) adt.x####.com:443
TCP(TLS/1.0) rr2---s####.g####.com:443
TCP(TLS/1.2) www.google####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5226

DNS requests:

a####.exc.mob.com
adt.x####.com
and####.b####.qq.com
api.s####.mob.com
api.w####.cn
api.w####.com
c-h####.g####.com
c.d####.mob.com
cdn-sdk####.g####.com
cm-1####.g####.com
d####.opensp####.cn
eco####.me####.com
eco-pus####.me####.com
f####.gu####.com
h####.opensp####.cn
h5.sin####.cn
i.t####.com
l####.tbs.qq.com
m.d####.mob.com
m.w####.cn
o####.w####.cn
p####.google####.com
pass####.w####.cn
pass####.w####.com
plb####.u####.com
rr2---s####.g####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.g####.cn
u####.u####.com
v.gu####.com
v.xuewe####.com
w####.com
www.google####.com

HTTP GET requests:

api.w####.cn/2/client/common_config?appkey=####&packagename=####&key_has...
cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_XYq933
cdn-sdk####.g####.com.####.cn/tdata_pKN446
cdn-sdk####.g####.com.####.cn/tdata_trp703
cdn-sdk####.g####.com.####.cn/tdata_xEA084
eco####.me####.com:443/conversation/2jiYfFjMbbToDPTPIQvngPyYCDY/messages...
eco-pus####.me####.com:443/pusher/websocket?browser_id=####&ent_id=####&...
f####.gu####.com/api/toeflloadimg?channel=####
f####.gu####.com/apitoefl/newGuide
h####.opensp####.cn/launchconfig?t=####&p=dG9lZ####
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sdk-ope####.g####.com/api/addr.htm
sdk.c####.g####.####.cn/config/hzv9.conf
u####.g####.cn:443/v/res/201809/17-15/libao11.jpg

HTTP POST requests:

a####.exc.mob.com/errconf
a####.exc.mob.com/v3/cdata
adt.x####.com:443/5835842e/1
and####.b####.qq.com/rqd/async?aid=####
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/log4
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
d####.opensp####.cn/index.php/clientrequest/clientcollect/isCollect
eco####.me####.com:443/sdk/init?src=####&ent_id=####
eco####.me####.com:443/sdk/init_sdk_user?src=####
eco####.me####.com:443/sdk/statistics?src=####&ent_id=####
plb####.u####.com:443/umpx_internal
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####
u####.u####.com:443/unify_logs

File system changes:

Creates the following files:

/data/data/####/.duid
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrecord (deleted)
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/.vpl_lock
/data/data/####/1002
/data/data/####/1004
/data/data/####/1721871461032_5024
/data/data/####/1721871461047_5024
/data/data/####/1721871462902_5024
/data/data/####/1721871462924_5024
/data/data/####/1721871462963_5024
/data/data/####/1721871464240_5235
/data/data/####/1721871464322_5235
/data/data/####/1721871465329_5235
/data/data/####/1721871465537_5235
/data/data/####/1721871467021_5338
/data/data/####/1721871467101_5338
/data/data/####/1721871467867_5338
/data/data/####/1721871467919_5338
/data/data/####/1721871524252_5235
/data/data/####/1750a47ac7829740_0
/data/data/####/1840916356-1705305389
/data/data/####/1a6d5e6f0927b906_0
/data/data/####/1a6d5e6f0927b906_1
/data/data/####/1fb35fd710a4
/data/data/####/20825260192069384275
/data/data/####/499c42803fa1f535_0
/data/data/####/57579599
/data/data/####/5ba3f615ddab344a_0
/data/data/####/72330569ee79e532_0
/data/data/####/72330569ee79e532_1
/data/data/####/91d2d9b6
/data/data/####/9ca6e1a882a22439_0
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/CookiePrefsFile.xml
/data/data/####/CookiePrefsFile.xml.bak
/data/data/####/Cookies-journal
/data/data/####/Meiqia.xml
/data/data/####/Meiqia.xml.bak
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TD_app_pefercen_profile.xml.bak
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime1.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime1.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/a==7.5.0&&2.1.9_1721871461714_envelope.log
/data/data/####/b4e8ac1b27ac7f9f_0
/data/data/####/bada8a0b61b5f8ed_0
/data/data/####/bd7b6a76bb7a9d04_0
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/com.guixue.m.toefl.BETA_VALUES.xml
/data/data/####/com.guixue.m.toefl.BETA_VALUES.xml.bak
/data/data/####/com.guixue.m.toefl.BETA_VALUES.xml.bak (deleted)
/data/data/####/com.guixue.m.toefl.xml
/data/data/####/com.guixue.m.toefl_preferences.xml
/data/data/####/com.iflytek.id.xml
/data/data/####/com.iflytek.msc.xml
/data/data/####/core_info
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNzIxODcxNDY0Mjc4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNzIxODcxNDYxMzIy;
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/i==1.2.0&&2.1.9_1721871461334_envelope.log
/data/data/####/i==1.2.0&&2.1.9_1721871464301_envelope.log
/data/data/####/ifly_launch_lib.xml
/data/data/####/ifly_launch_lib.xml.bak
/data/data/####/iflytek_state_com.guixue.m.toefl.xml
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/meiqia.db
/data/data/####/meiqia.db-journal
/data/data/####/metrics_guid
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/native_record_lock
/data/data/####/ondemand.db-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushgdc.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/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_XYq933
/data/data/####/tdata_XYq933.dex
/data/data/####/tdata_XYq933.dex.flock (deleted)
/data/data/####/tdata_XYq933.jar
/data/data/####/tdata_pKN446
/data/data/####/tdata_pKN446.dex
/data/data/####/tdata_pKN446.dex.flock (deleted)
/data/data/####/tdata_pKN446.jar
/data/data/####/tdata_trp703
/data/data/####/tdata_trp703.dex
/data/data/####/tdata_trp703.dex.flock (deleted)
/data/data/####/tdata_trp703.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.dex
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/tdid.xml
/data/data/####/the-real-index
/data/data/####/toeflcourse.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/media/####/.artc_lock
/data/media/####/.dh
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.di
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.nomedia
/data/media/####/.pkg_lock
/data/media/####/.slw
/data/media/####/.tcookieid
/data/media/####/1.app.log
/data/media/####/1def9803e250558a037b4ff0159ab240e246ec42ac6313....0.tmp
/data/media/####/1def9803e250558a037b4ff0159ab240e246ec42ac6313...2f3f.0
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.guixue.m.toefl.bin
/data/media/####/com.guixue.m.toefl.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/iflyworkdir_test (deleted)
/data/media/####/journal
/data/media/####/sysid.dat
/data/media/####/tbslog.txt
/data/media/####/tdata_XYq933
/data/media/####/tdata_pKN446
/data/media/####/tdata_trp703
/data/media/####/tdata_xEA084
/data/media/####/test.log (deleted)
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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/sh -c getprop
cat /proc/self/cgroup
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
cat /sys/class/net/wlan0/address
getprop
getprop ro.product.cpu.abi
ls /
ls /sys/class/thermal
mount
sh

Loads the following dynamic libraries:

libBugly
libgetuiext3
libjiagu
libmsc
libweibosdkcore

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
DES
DES-CBC-PKCS5Padding
RC4
RSA-ECB-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
DES
DES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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