Adware.Gexin.23557

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) 1####.29.29.29:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.c####.g####.####.cn:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) 47.95.2####.247:80
TCP(HTTP/1.1) ga.rsv.eas####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) gmscomp####.google####.com:443
TCP(TLS/1.0) 1####.177.14.113:443
TCP(TLS/1.2) gmscomp####.google####.com:443
TCP(TLS/1.2) 64.2####.164.138:443
TCP(TLS/1.2) 1####.177.14.104:443
TCP sdk.o####.t####.####.net:5224
UDP 1####.177.14.113:443
TCP cm-1####.g####.com:5227

DNS requests:

8efe322####.bug####.com
a####.exc.mob.com
a####.u####.com
analy####.huajuan####.com
api.s####.mob.com
app.huajuan####.com
c-h####.g####.com
c.d####.mob.com
cdn-sdk####.g####.com
cm-1####.g####.com
gmscomp####.google####.com
l####.tbs.qq.com
m.d####.mob.com
oth.str.mdt.####.com
oth.up####.mdt.####.com
rs.eas####.com
s####.ml####.cc
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
www.google####.com

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/tdata_CoH340
cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_GKM601
cdn-sdk####.g####.com.####.cn/tdata_jFf739
cdn-sdk####.g####.com.####.cn/tdata_pKX830
ga.rsv.eas####.####.com/easemob/server.json?sdk_version=####&app_key=###...
m.d####.mob.com/v4/cconf?appkey=####&plat=####&apppkg=####&appver=####&n...
sdk.c####.g####.####.cn/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.exc.mob.com/errconf
a####.exc.mob.com/v3/cdata
a####.u####.com/app_logs
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=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

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/####/1.dex
/data/data/####/1.dex.flock (deleted)
/data/data/####/1.jar
/data/data/####/4080b4a22817
/data/data/####/9.dex
/data/data/####/9.dex.flock (deleted)
/data/data/####/9.jar
/data/data/####/DENGTA_META.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/app_version.xml
/data/data/####/beacon_cover.xml
/data/data/####/beacon_cover_check.lock
/data/data/####/beacon_cover_load.lock
/data/data/####/beacon_db-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cid_session.xml
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/classes3.dex
/data/data/####/com.bhtc.huajuan_preferences.xml
/data/data/####/config.json
/data/data/####/core_info
/data/data/####/device_id.xml.xml
/data/data/####/dilog_session.xml
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/http_dns_log.xml
/data/data/####/huajuan.db
/data/data/####/huajuan.db-journal
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/logData.xml
/data/data/####/logData.xml.bak
/data/data/####/metrics_guid
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/data/data/####/mwsdk_analytics.db-journal
/data/data/####/persistent_data.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/second_start.xml
/data/data/####/server.json
/data/data/####/share_sdk_1
/data/data/####/sharesdk.db-journal
/data/data/####/tbs_download_config.xml
/data/data/####/tbs_download_config.xml.bak (deleted)
/data/data/####/tbs_download_stat.xml
/data/data/####/tbscoreinstall.txt
/data/data/####/tbslock.txt
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_GKM601
/data/data/####/tdata_GKM601.dex
/data/data/####/tdata_GKM601.dex.flock (deleted)
/data/data/####/tdata_GKM601.jar
/data/data/####/tdata_jFf739
/data/data/####/tdata_jFf739.dex
/data/data/####/tdata_jFf739.dex.flock (deleted)
/data/data/####/tdata_jFf739.jar
/data/data/####/tdata_pKX830
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.jar
/data/data/####/test_vm.xml
/data/data/####/tinker_patch.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/update_db_version.xml
/data/data/####/user_mobile_info_no_login.xml
/data/data/####/videoPath-journal
/data/data/####/wap_url.xml
/data/data/####/web_cache_mode.xml
/data/data/####/weibo_logo.xml
/data/media/####/.artc_lock
/data/media/####/.dh
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.dic_lock
/data/media/####/.duid
/data/media/####/.globalLock
/data/media/####/.lecd
/data/media/####/.lesd_lock
/data/media/####/.mps
/data/media/####/.pkg_lock
/data/media/####/.slw
/data/media/####/app.db
/data/media/####/com.bhtc.huajuan.bin
/data/media/####/com.bhtc.huajuan.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/easemob.log
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tbslog.txt
/data/media/####/tdata_CoH340
/data/media/####/tdata_GKM601
/data/media/####/tdata_jFf739
/data/media/####/tdata_pKX830
/data/media/####/test.log (deleted)

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
chmod 755 /data/user/0/<Package>/.jiagu/libjiagu.so
getprop ro.product.cpu.abi
mount
sh

Loads the following dynamic libraries:

libBugtags
libgetuiext2
libhyphenate
libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-NoPadding
AES-ECB-PKCS5Padding
DES-ECB-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 installed apps.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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