Adware.Gexin.4549

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) c-h####.g####.com:80
TCP(HTTP/1.1) appme####.zhihu####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) app-adv####.zhihu####.com:80
TCP(HTTP/1.1) i####.zhihu####.com:80
TCP(TLS/1.0) app-uni####.zhihu####.com:443
TCP(TLS/1.0) h####.b####.com:443
TCP c####.g####.ig####.com:5225
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
and####.b####.qq.com
app-adv####.zhihu####.com
app-uni####.zhihu####.com
appme####.zhihu####.com
c####.g####.ig####.com
c-h####.g####.com
h####.b####.com
i####.zhihu####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

app-adv####.zhihu####.com/app-commserv-advertise/advertising/getAppAdsLi...
appme####.zhihu####.com/appmember/member/Login/getTermInfo
appme####.zhihu####.com/appmember/member/controller/getAppConfig
appme####.zhihu####.com/appmember/member/controller/getFixFileUrl?oldVer...
appme####.zhihu####.com/appmember/member/dynamic/getDynamicAllType
appme####.zhihu####.com/appmember/member/expert/review/getAllExpertCours...
appme####.zhihu####.com/appmember/member/expert/review/getKeyInfo
appme####.zhihu####.com/appmember/member/self/visitMemberCenter
appme####.zhihu####.com/appmember/member/toc/getAdlist
appme####.zhihu####.com/appmember/member/toc/getDiscoveryPage
i####.zhihu####.com/testzhs/zhsmanage/image/201601/81ac473752154309b671c...
i####.zhihu####.com/testzhs/zhsmanage/image/201601/a2bde29c612f4344aa93c...
i####.zhihu####.com/zhs/myuni/school/201708/398a6692623e47949ce7b35ff0b3...
i####.zhihu####.com/zhs/zhsmanage/image/201705/ac3b3908cf75428fbb467ac86...
i####.zhihu####.com/zhs/zhsmanage/image/201706/2f607b2b75264e2b872b3b4ea...
i####.zhihu####.com/zhs/zhsmanage/image/201706/83761255c31344e2af61474f0...
i####.zhihu####.com/zhs/zhsmanage/image/201706/b471fa6f06804d20b730079ab...
i####.zhihu####.com/zhs/zhsmanage/image/201706/cf59fdf0bb1d4001b266022c2...
i####.zhihu####.com/zhs/zhsmanage/image/201708/5cee5ec7399d4d19925db278c...
i####.zhihu####.com/zhs/zhsmanage/image/201712/bff5facd13df4a02a654e864a...
i####.zhihu####.com/zhs/zhsmanage/image/201801/7d68890fe9184a5191b9383c6...
i####.zhihu####.com/zhs/zhsmanage/image/201805/3f9a0f9208c74d76a783a3386...
i####.zhihu####.com/zhs/zhsmanage/image/201805/51d217d97c504f09b14ccd8e7...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_YYn966
t####.c####.q####.####.com/tdata_eOt091

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
and####.b####.qq.com/rqd/async
appme####.zhihu####.com/appmember/member/Login/checkOrgPwd
appme####.zhihu####.com/appmember/member/collect/listFavoriteSchoolByUser
appme####.zhihu####.com/appmember/member/controller/getVersionMemberAndr...
appme####.zhihu####.com/appmember/member/course/getAllWatchCourseInfoByU...
appme####.zhihu####.com/appmember/member/course/select/filterTeacher
appme####.zhihu####.com/appmember/member/dynamic/getAllUserCollectDynami...
appme####.zhihu####.com/appmember/member/self/checkIsZoneAdmin
appme####.zhihu####.com/appmember/member/self/listMsgByUser
appme####.zhihu####.com/appmember/member/self/listVIP
appme####.zhihu####.com/appmember/member/toc/InterestList
appme####.zhihu####.com/appmember/member/toc/getAnyTimeVideoListNew
appme####.zhihu####.com/appmember/member/toc/learningCourseCount
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/2325786159658.48
/data/data/####/2325786160005.53
/data/data/####/2325786160171.76
/data/data/####/2325786160529.87
/data/data/####/3780856133207.8
/data/data/####/3780856133523.71
/data/data/####/3780856133594.59
/data/data/####/3780856133615.86
/data/data/####/7836474155360.82
/data/data/####/7836474156530.17
/data/data/####/7836474157090.25
/data/data/####/7836474158296.87
/data/data/####/880093964498.447
/data/data/####/880093964629.774
/data/data/####/880093964692.675
/data/data/####/880093964828.188
/data/data/####/9991504567672.02
/data/data/####/9991504568506.87
/data/data/####/9991504568694.18
/data/data/####/9991504568750.4
/data/data/####/MultiDex.lock
/data/data/####/__Baidu_Stat_SDK_SendRem.xml
/data/data/####/__local_ap_info_cache.json
/data/data/####/__local_last_session.json
/data/data/####/__local_stat_cache.json
/data/data/####/__send_data_1541696535554
/data/data/####/__send_data_1541696566631
/data/data/####/__send_data_1541696578105
/data/data/####/__send_data_1541696584857
/data/data/####/a077fe6d9766d4b994ff56a255f40daec2972f2204eb88d....0.tmp
/data/data/####/bugly_db_-journal
/data/data/####/config_delete.xml
/data/data/####/config_net.xml
/data/data/####/config_system.xml
/data/data/####/config_temp.xml
/data/data/####/dataCache.xml
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libcuid.so
/data/data/####/libjiagu-1143711867.so
/data/data/####/multidex.version.xml
/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/####/security_info
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdata_eOt091
/data/data/####/tdata_eOt091.jar
/data/data/####/xUtils_http_cache.db
/data/data/####/xUtils_http_cache.db-journal
/data/data/####/xUtils_http_cookie.db
/data/data/####/xUtils_http_cookie.db-journal
/data/data/####/xUtils_http_cookie.db-shm (deleted)
/data/data/####/xUtils_http_cookie.db-wal
/data/media/####/-1091146925.tmp
/data/media/####/-1135391113.tmp
/data/media/####/-1315184583.tmp
/data/media/####/-1426630064.tmp
/data/media/####/-1480631747.tmp
/data/media/####/-149641767.tmp
/data/media/####/-260928093.tmp
/data/media/####/.confd
/data/media/####/.confd-journal
/data/media/####/.cuid
/data/media/####/.cuid2
/data/media/####/.timestamp
/data/media/####/1324293885.tmp
/data/media/####/1d49a4bf23d861ac1baeca228f8123c6
/data/media/####/639464120.tmp
/data/media/####/7a6bcb3cbce0794313e6cf37322ab389
/data/media/####/7a6bcb3cbce0794313e6cf37322ab389.tmp
/data/media/####/8aa97fb6199d3a5c8587ca0ba532755b
/data/media/####/8aa97fb6199d3a5c8587ca0ba532755b.tmp
/data/media/####/942fcff31a32ce30cf62ca7ca5a3a06a
/data/media/####/942fcff31a32ce30cf62ca7ca5a3a06a.tmp
/data/media/####/973fbdbe5fde23d616b12762b0d69c65
/data/media/####/973fbdbe5fde23d616b12762b0d69c65.tmp
/data/media/####/aa1c4d388c6561f18a269479a6ab03e4
/data/media/####/app.db
/data/media/####/com.able.wisdomtreeformember.bin
/data/media/####/com.able.wisdomtreeformember.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/fa11e66a070c7d24dd7e838559b99f6b
/data/media/####/fe8c984259e50b4ae2ec8c0f00f8ba97
/data/media/####/tdata_YYn966
/data/media/####/tdata_eOt091
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.jpush.MemberPushService 25865 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id

Loads the following dynamic libraries:

Bugly
crash_analysis
getuiext2
ijkffmpeg
libjiagu-1143711867
webpbackport

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

Tecnologías

Términos

Formación y educación

Mitos

Technical information

Curing recommendations

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