Adware.Gexin.8000

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:443
TCP(HTTP/1.0) tcms-a####.wan####.ta####.com:80
TCP(HTTP/1.1) a####.u####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cdn.1####.cn:80
TCP(HTTP/1.1) a####.b####.qq.com:8011
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) cdn.1####.cn:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) app.1####.cn:443
TCP(TLS/1.0) zhangwa####.oss-cn-####.aliy####.com:443
TCP(TLS/1.0) s####.tc.qq.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5224
TCP i####.wan####.ta####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.b####.qq.com
a####.u####.com
aexcep####.b####.qq.com
and####.b####.qq.com
app.1####.cn
c####.g####.ig####.com
c-h####.g####.com
cdn.1####.cn
hotp####.wan####.ta####.com
i####.wan####.ta####.com
log.u####.com
r####.wx.qq.com
s####.u####.com
s28.9####.cn
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
tcms-a####.wan####.ta####.com
zhangwa####.oss-cn-####.aliy####.com

HTTP GET requests:

cdn.1####.cn/res/html/images/categoryAll.png
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_IDf958
t####.c####.q####.####.com/tdata_VsN224
tcms-a####.wan####.ta####.com:443/imlogingw/tcp60login?devid=####&ver=####

HTTP POST requests:

a####.b####.qq.com:8011/rqd/async
a####.u####.com/app_logs
aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
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/####/.imprint
/data/data/####/007266915cf3398e12115648321b734ddea977cab11916d....0.tmp
/data/data/####/01-26_11_27_art.jupai.com.jupai_2278
/data/data/####/01-26_11_27_art.jupai.com.jupai_TcmsService_2339
/data/data/####/01-26_11_28_art.jupai.com.jupai_pushservice_2658
/data/data/####/04896d33dc94a8774b4a6a577fb0c4ba94bf787148844c8....0.tmp
/data/data/####/060285df78345a4c792d568cc3b4a7c8c17406e8d7a25ae....0.tmp
/data/data/####/1548502048832.log
/data/data/####/1548502048832.log.bak
/data/data/####/19df36f3a875b78e5ca31e7ef10a5730f8a8cff83dcf6ee....0.tmp
/data/data/####/1bd7c5425c33c0058056186c92434d2efcd50b707fc08ba....0.tmp
/data/data/####/1c25dc12cd85ecaf2a737c7bd664869bd9684fee6310118....0.tmp
/data/data/####/27e21aa7d070cd1b3e258c0c0b745dfc1ac98e7557d662f....0.tmp
/data/data/####/2a931236a4d5bd60d03139349fb3a4af06192439c97ee36....0.tmp
/data/data/####/375522f7493a7c1fd98a98d570bd06cb54447c92612492d....0.tmp
/data/data/####/3891a4b44949f027d5465dd297ac6e7d9d5caff6f084a74....0.tmp
/data/data/####/3a3bb88773159f612be6865a9fa3ee93fff9ac4c94f76bf....0.tmp
/data/data/####/3ab963f9ecb0f22094748d33b5cd0d6b9c98e20fa995f00....0.tmp
/data/data/####/3d6a2ad7aec7be5fe5684e1af4acc3a3d444063fdb6cade....0.tmp
/data/data/####/40628cdb9a78073cf14fd19319afe9f1f8500c0610672c5....0.tmp
/data/data/####/4484e913a617b28d2e9215d9ae00c624f724083a0a4cc24....0.tmp
/data/data/####/4d9eb3501bdd4bfb6c88e2519b7eb89ab97cae5de600808....0.tmp
/data/data/####/64514bf8b6385253c4588c1285e5c63ac1214229f8d0bdc....0.tmp
/data/data/####/67a9d71e6c47a5299069819e5de617febd69032454105e0....0.tmp
/data/data/####/697f2a5318a79dbd9cb0093770ed42d88b999c3ab1d5396....0.tmp
/data/data/####/6dc6885b8f860567419fad173b4de5dac57ebef5d1e64b0....0.tmp
/data/data/####/76e696e3eed54f558402a914ae5f8012921ca09e8120fbb....0.tmp
/data/data/####/7c62272eb645c5d119de7ca3ed235bc3fb8b3ed09037153....0.tmp
/data/data/####/813fa0c1d94af1f9ebb10230f0595dcad3b8290b9b9c596....0.tmp
/data/data/####/83261be6bed71678032b478b398c2f4f1065a6dd373aea7....0.tmp
/data/data/####/863f58c34c3f53c91c5ed3e27f566fde077bc9efaaea89f....0.tmp
/data/data/####/8a159d3b9a5192aabbc46552c3b06d0216f8b2bf4a8471c....0.tmp
/data/data/####/8a903e33a0bbcdd0a6f2b828c07fe3077d596e7c3fff9dc....0.tmp
/data/data/####/8eda55bcde865a2fafbadf8e2854863f20d0a59a64e6ff4....0.tmp
/data/data/####/a0308723f3b16bca3420d114bd98ecac4ba2925e1e4dae3....0.tmp
/data/data/####/a476d490a13d1b891b412327e813d3eadf6b48fab1a5926....0.tmp
/data/data/####/a9d1ddb6be946456d9c5cac8b901875df9c97773b5eb77e....0.tmp
/data/data/####/aa70489ce3c4abfe489851e8719d3154814867dc5b5911d....0.tmp
/data/data/####/art.jupai.com.jupai_preferences.xml
/data/data/####/b0d8bc5a02834d1e718de64f0f69302074c82728b96302f....0.tmp
/data/data/####/bcb32564fe16934a61743f0dcca8c6c2d56b47a0159c2bf....0.tmp
/data/data/####/bugly_db_legu-journal
/data/data/####/c98cfab7cbc9e8c5676eceb48093be2f5ffb81829e70661....0.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cc2f49727b1eae1ab6c386c0d4e42384d5b29126c9f5f5a....0.tmp
/data/data/####/dabb3bd010f29e3dd19775a8930e5cfc512e631de21e336....0.tmp
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/dc1aed2df3a4dbb67488864370a657725dc6b9c3bdafee3....0.tmp
/data/data/####/df5cdc52b885fb018b02e390cd627565bb6f12b7d666c68....0.tmp
/data/data/####/e02f7f2027c4248f94b34df742170dd45e0cd2e204f0c10....0.tmp
/data/data/####/e1e1eaf4380f08239287d63628a04941deab097a3aa68f3....0.tmp
/data/data/####/e44cb1364bf9ad3ca1345f641a0d43175f775893ae0f070....0.tmp
/data/data/####/e9f6882375af915e4a33ebdb9aaa98ff35636c9b1261cee....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f35bf03fa66d7cfee4b4877d93fbf36565c4b725be95b4e....0.tmp
/data/data/####/f3ded261934ddb7e1ec68da4e8df9dfbc1c9714944c4ef6....0.tmp
/data/data/####/f401cd56f1d2cbfa4eff8de8615d4f134988712151fd1c5....0.tmp
/data/data/####/f473653feabee5f2fceab14a41aa126984cdbb32d8e3ff7....0.tmp
/data/data/####/f69f249711326409032243e377d73ace0170dd0b965cca3....0.tmp
/data/data/####/f9f5447589a2aa6a8e25efaf0bc9b97faa8a73c7c1f955f....0.tmp
/data/data/####/ff01cb6021957c074f33ecbb9009fa688d57ba65cb1d59a....0.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/handplay.db-journal
/data/data/####/handplay.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.5.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/notification_config.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tcms_istied.xml
/data/data/####/tcms_setting_sp.xml
/data/data/####/tcms_setting_sp.xml (deleted)
/data/data/####/tdata_IDf958
/data/data/####/tdata_IDf958.jar
/data/data/####/tdata_VsN224
/data/data/####/tdata_VsN224.jar
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromiumPrivate.db-journal
/data/data/####/xpush_status.xml
/data/media/####/2_20190126_r
/data/media/####/app.db
/data/media/####/art.jupai.com.jupai.bin
/data/media/####/art.jupai.com.jupai.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_IDf958
/data/media/####/tdata_VsN224
/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>.getui.PushService 24858 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.5.so
chmod 700 <Package Folder>/tx_shell/libufix.so
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.product.cpu.abi
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.PushService 24858 300 0

Loads the following dynamic libraries:

Bugly
getuiext3
inet.2.0
libnfix
libshella-2.9.0.5
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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

Uses special library to hide executable bytecode.

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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