Adware.Gexin.7294

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) res.5um####.com:80
TCP(HTTP/1.1) cn-hang####.oss####.aliyun####.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) res.5um####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) app.5um####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5227

DNS requests:

7j####.c####.z0.####.com
aexcep####.b####.qq.com
and####.b####.qq.com
app.5um####.com
av1.x####.com
c####.g####.ig####.com
c####.x####.com
c-h####.g####.com
cn-hang####.oss####.aliyun####.com
i.t####.com
plb####.u####.com
res####.a####.com
res.5um####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com

HTTP GET requests:

cn-hang####.oss####.aliyun####.com/amap-api/comm/upload/CoordinateSoEnhe...
i.t####.com/a/3cd51bc9d614f1c234eecca5af20b3af5
res.5um####.com/imgs/banner/2018/12/28/17974e9549d84f7b92d070611d741694....
res.5um####.com/imgs/banner/2018/12/28/394cc4bb2f684d53ae13afa55f335bea....
res.5um####.com/imgs/banner/2018/12/28/536343502cd4498a85ba808655a43605....
res.5um####.com/imgs/banner/2018/12/28/fc38e1eb4aec41f7872445c6ad964e62....
res.5um####.com/imgs/banner/2018/12/29/386b956f9dec46fb80cd1ec7017c94b1....
res.5um####.com/imgs/cinema/2018/10/15/2eb45b16285a4ac28648a36c21fc761a....
res.5um####.com/imgs/film/2018/12/17/11f3d3dafa054405a1dacb30b18bdd6c.png
res.5um####.com/imgs/film/2018/12/17/2d4f742c671142d9a3a82e0fd665b191.png
res.5um####.com/imgs/film/2018/12/17/33fdd35a72da4e52957b089677f3e1f0.png
res.5um####.com/imgs/film/2018/12/17/4ab3e3423fa049f59eb1c5d8c83089d5.png
res.5um####.com/imgs/film/2018/12/17/797f985d2e2b4fd59acfa3acf2f967aa.png
res.5um####.com/imgs/film/2018/12/17/90d44ca261e34c749727cadc9e7e3edc.png
res.5um####.com/imgs/film/2018/12/17/b4049d4fbfb74596aeb41fc091b3aef1.png
res.5um####.com/imgs/film/2018/12/26/529405e5c92f4855ae3fd4501d499e85.png
res.5um####.com/imgs/film/2018/12/26/8e9a1d924c4140a084deb6e9d9a60676.png
res.5um####.com/imgs/splash/2019/01/02/b5313f966a7f425a94c79b6e1cba44a6....
res.5um####.com/imgs/thumb/2018/11/14/013cf19765d94938a588415ae3dacfbd.jpg
res.5um####.com/imgs/thumb/2018/11/29/ad44cede78b943c7bbc6d519e1ae9303.jpg
res.5um####.com/imgs/thumb/2018/11/30/7a549bbe6f11441b8e8664f08e70b78e.jpg
res.5um####.com/imgs/thumb/2018/12/06/9714eb325fe24cda81ced792f0b60e3c.jpg
res.5um####.com/imgs/thumb/2018/12/07/4cc32573c4b345079e17d3717b75dcd3.jpg
res.5um####.com/imgs/thumb/2018/12/22/5ab8339627634a789f7fcd7ddc85de03.j...
res.5um####.com/imgs/thumb/2018/12/22/bfd4d4a99ed842d993c4ce080abafd90.jpg
res.5um####.com/imgs/thumb/2018/12/28/8b1f07d5ce0d4a538780a366be9b6f08.jpg
res.5um####.com/imgs/thumb/2018/12/28/d6dae27c5e884530bbf71683b6f477d4.j...
res.5um####.com/imgs/thumb/2018/12/30/ab526e86d6d343299c97e2aa064863c4.jpg
res.5um####.com/imgs/thumb/2018/12/31/d7efced3e5384fba89e5500aca805ca0.jpg
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_OPb601
t####.c####.q####.####.com/tdata_YYn966

HTTP POST requests:

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/####/08ccc19a49e694bdddf7107ecceb0821c76387a99e4c3bb....0.tmp
/data/data/####/0e22ba80ec28577301254354ed3e9dcb9a50fd28f46c3fa....0.tmp
/data/data/####/101be7e656501b84e681f7b531a7376f4bf940d9ef16923....0.tmp
/data/data/####/1546536482225_2283
/data/data/####/1546536482755_2283
/data/data/####/1546536483183_2283
/data/data/####/1546536483732_2283
/data/data/####/1546536484139_2283
/data/data/####/1546536484402_2283
/data/data/####/1546536498717_2283
/data/data/####/1546536500014_2283
/data/data/####/1546536500842_2283
/data/data/####/1546536501068_2283
/data/data/####/1546536501554_2283
/data/data/####/1546536501930_2481
/data/data/####/1546536503426_2283
/data/data/####/1546536503843_2283
/data/data/####/1546536506947_2283
/data/data/####/1546536507327_2283
/data/data/####/1546536507360_2481
/data/data/####/1546536507582_2283
/data/data/####/1546536526287_2283
/data/data/####/1546536526505_2283
/data/data/####/1546536526816_2283
/data/data/####/1794f1dc39759d04840d6e7efc0f412b095e17ab0f83232....0.tmp
/data/data/####/1cb89fb4a0c2168ca681b5a3dcd2e741080dfe158ed1c9c....0.tmp
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/2b027011708b5b7f770cac30e188e5f6623dfd4cf521b08....0.tmp
/data/data/####/387332d8e773011b8b70e934319d6fa6bcee9e449e2ee62....0.tmp
/data/data/####/395826f7c4e0a1dfdd49a9dedffe9888cd53c76fcb9b8d3....0.tmp
/data/data/####/5602cd28faa3fe56afc2694992f4230f886b88d87d677da....0.tmp
/data/data/####/5837444d9dacc4e3f4143ed7c541a1c01aab1976c5ecc31....0.tmp
/data/data/####/6159bb8180ebd2e7a09229fed28a6d9f263822d713d7c61....0.tmp
/data/data/####/62dc849d93025b9a29035290a6f61f451fd4aeb68d4d79b....0.tmp
/data/data/####/62e109862f45ce232e028cc83d72a5782f32382ccdca785....0.tmp
/data/data/####/6e36e5c944d5d6164e673e0df39990727ef1a751fe83db3....0.tmp
/data/data/####/7136de3c570e4362d56f6ae6a4df69df92f79d3ac4736b1....0.tmp
/data/data/####/763c09f6be12682f849c740a33c311302da0e7dfeadb8cb....0.tmp
/data/data/####/7a635be8e454c3e0573129af8e79bbfeb1e1717e5d09736....0.tmp
/data/data/####/84e386965e1978ad95322b8b7f2d72389697fce6990db79....0.tmp
/data/data/####/8ba4212935f74165ef19e3a9e476d24f8e8e54a1849531e....0.tmp
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/MultiDex.lock
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/Time-Online.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/a==7.5.4&&4.2.1_1546536498046_envelope.log
/data/data/####/bugly_db_legu-journal
/data/data/####/c17748ae2ea94a54f1ee939ea6ff9b5d91a12bc4166b1d3....0.tmp
/data/data/####/cca1083f5bf01636ab2cf1b663de3f040d80f5c769fd2d6....0.tmp
/data/data/####/ce62fcbd8b885d092cf336d49388fd78d6c445767431b57....0.tmp
/data/data/####/com.ichances.umovie_preferences.xml
/data/data/####/d48493e03a867c8cb05fabb3262324f581db4e744b8f611....0.tmp
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTM2NDgzMzQ3;
/data/data/####/dca23582d525db1b7c8b9a7be975932356056086f429390....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f117627dc1514fc33983d78e1ff47b60db8d2ffa8acf3e6....0.tmp
/data/data/####/f39be6227cd5e9768e012e9af13bd347d8e109469b0a5f3....0.tmp
/data/data/####/f3be5ed8ba5133931f1ec122a86b3527374e0e734b3b5ea....0.tmp
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/i==1.2.0&&4.2.1_1546536482925_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/iv
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.0.2.so
/data/data/####/libufix.so
/data/data/####/libwgs2gcj.so
/data/data/####/local_crash_lock
/data/data/####/loctemp.so
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pref.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/####/salt
/data/data/####/security_info
/data/data/####/tdata_OPb601
/data/data/####/tdata_OPb601.jar
/data/data/####/tdata_YYn966
/data/data/####/tdata_YYn966.jar
/data/data/####/tdid.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.tcookieid
/data/media/####/.umm.dat
/data/media/####/1546536482281.db
/data/media/####/Time-Online_welcome.jpg
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.ichances.umovie.bin
/data/media/####/com.ichances.umovie.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/tdata_OPb601
/data/media/####/tdata_YYn966
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/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 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>.ui.service.PushService 24902 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.0.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
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
getprop ro.yunos.version
logcat -d -v threadtime
ls /
ls /sys/class/thermal
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.ui.service.PushService 24902 300 0

Loads the following dynamic libraries:

Bugly
getuiext2
libnfix
libshella-2.9.0.2
libufix
nfix
ufix

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-CBC-PKCS5Padding
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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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