Adware.Gexin.6911

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) <Google DNS>
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) a####.vd.cn:80
TCP(HTTP/1.1) stati####.weim####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) res####.a####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) oss-cn-####.aliy####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) df.baiq####.com:443
TCP df.baiq####.com:9080

DNS requests:

a####.u####.com
a####.vd.cn
and####.b####.qq.com
api####.a####.com
api.daikuan####.com
api.s####.mob.com
df.baiq####.com
oss-cn-####.aliy####.com
res####.a####.com
sdk.o####.p####.####.com
stati####.weim####.com

HTTP GET requests:

stati####.weim####.com/wm.js?StatType=####&index=####&product_id=####&wm...
stati####.weim####.com/wm.js?StatType=####&product_id=####&wmServiceUUID...
stati####.weim####.com/wm.js?StatType=####&wmServiceUUID=####&wmappmarke...

HTTP POST requests:

a####.u####.com/app_logs
a####.vd.cn/MxdService/getOpenScreenAd
a####.vd.cn/MxdService/getProductByCode
a####.vd.cn/MxdService/queryHomeInfo
a####.vd.cn/MxdService/queryProductList
a####.vd.cn/MxdService/versionUpdate
a####.vd.cn/PegasusService/checkPegasusConfig
and####.b####.qq.com/rqd/async?aid=####
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/log4
res####.a####.com/v3/log/init
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/-qhVzhRLYUNxMwgpj0fU2pVTmuE.-1015213925.tmp
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.lock
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.statistics
/data/data/####/0eyE3Jgj-0ApIC9AG8XDGGu7qoQ.1661065540.tmp
/data/data/####/1004
/data/data/####/3uf7HtDPu8lA8AtGEbWU8nXl7DE.281294839.tmp
/data/data/####/695NbRQ6mVdlAWFpkxgwojxo7B4.-1829847757.tmp
/data/data/####/96Gc3LfWFgF0a3Fo_Qz4tzzXk90.-1779558954.tmp
/data/data/####/AFMsX-TVyX9u5uo7Sf7yqWimCvM.-1224201232.tmp
/data/data/####/KMcw86fuwshE3dX7oR2od8TOu90.1353441176.tmp
/data/data/####/KOlyZGufPXZ6I2Yy3Bf4aI-KEM8.1836965481.tmp
/data/data/####/KkGVMUxni2SQ1GO4syV6V9kKSTQ.817488929.tmp
/data/data/####/MRnxUkSd8Dj6yDmqZ2Is1hmZP4Y.1727900264.tmp
/data/data/####/OtIK4qw23ru4V2sgc8vPq6BdRnU.480320010.tmp
/data/data/####/RKStorage-journal
/data/data/####/Rzq8mFp8M52ZHioDYrPDSYw4loA.-1933737928.tmp
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/UAbHogv0Rhj16V4jKRLf3d_UXW8.1053165019.tmp
/data/data/####/VnVo41MBNrQKRs3tTSGJXaGjRd0.2099530012.tmp
/data/data/####/XKmcns7gG4d3jCq6-XPAc2H4qTw.-453100474.tmp
/data/data/####/Z2NRZ2qtVY1N492hrw9tD8zkzFs.386047920.tmp
/data/data/####/a98161d2e3a17e6fb3800ff5576b3894
/data/data/####/b1zbZcW7O4GoiJafLPn6uUURYYc.1244165473.tmp
/data/data/####/bqsdfPreferences.xml
/data/data/####/bugly_db_-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/crashrecord.xml
/data/data/####/db
/data/data/####/db-journal
/data/data/####/dso_deps
/data/data/####/dso_lock
/data/data/####/dso_manifest
/data/data/####/dso_state
/data/data/####/dynamicamapfile.db
/data/data/####/dynamicamapfile.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/ig3UHjp5LtUc8J47iwQ0fzNdXZM.643521378.tmp
/data/data/####/init_c1.pid
/data/data/####/init_er.pid
/data/data/####/libgetuiext2.so
/data/data/####/libjiagu-361505006.so
/data/data/####/liblocSDK5.so
/data/data/####/local_crash_lock
/data/data/####/mob_commons_1.xml
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/sOhgHoDveZ6puHXtukHEEE9tjBo.-1622934763.tmp
/data/data/####/security_info
/data/data/####/share_sdk_1.xml
/data/data/####/sharesdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/usBShFADT43jbS2EiYOPNH1RB-g.584340293.tmp
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/weimob_loanking_sharepreference.xml
/data/media/####/.dic_lock
/data/media/####/.dk
/data/media/####/.globalLock
/data/media/####/.nomedia
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.rcTag
/data/media/####/.rc_lock
/data/media/####/a98161d2e3a17e6fb3800ff5576b3894
/data/media/####/journal.tmp
/data/media/####/loanking_applogo.jpg

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/sh -c getprop
/system/bin/sh -c type su
getprop dalvik.vm.heapgrowthlimit
getprop dalvik.vm.heapsize
getprop dalvik.vm.heapstartsize
getprop ro.build.characteristics
sh

Loads the following dynamic libraries:

Bugly
getuiext2
libfb
libimagepipeline
libjiagu-361505006
libreactnativejni
libyoga
neh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-GCM-NoPadding

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.

Gets information about running apps.

Displays its own windows over windows of other apps.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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