Adware.Gexin.18765

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) biz.q####.com:80
TCP(HTTP/1.1) caesa####.qi####.com:80
TCP(HTTP/1.1) i.t####.com:80
TCP(HTTP/1.1) ip.ta####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) 1####.217.17.46:443
TCP(TLS/1.0) c####.x####.com.####.com:443
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) biz.q####.com:443
TCP(TLS/1.0) 1####.217.20.106:443
TCP(TLS/1.0) 1####.217.19.202:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) app-ro####.leanc####.cn:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) d####.c####.l####.####.com:443
TCP(TLS/1.2) 1####.217.20.106:443
TCP sdk.o####.t####.####.com:5224

DNS requests:

and####.google####.com
app-ro####.leanc####.cn
av1.x####.com
biz.q####.com
c####.q####.com
c####.x####.com
c####.x####.com
c####.zqf.com.cn
caesa####.qi####.com
i.t####.com
instant####.google####.com
ip.ta####.com
m####.go####.com
s####.zqf.com.cn
sdk.c####.ig####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net

HTTP GET requests:

biz.q####.com/Api/Quote/Index?output=####&obj=####&subcode=####
biz.q####.com/v4/Api/kbspirit?type=####&market=####&count=####&output=####
caesa####.qi####.com/favicon.ico
caesa####.qi####.com/vouchers/home?flush=####&appsource=####
d####.c####.l####.####.com/WechatIMG11.jpeg
d####.c####.l####.####.com/fuceng-qiandao@3x.png
d####.c####.l####.####.com/wenjuandiaochabanner.jpg
d####.c####.l####.####.com/youhuiquan100.png
i.t####.com/a/38a05f99156d1cd8947e1e77917297d1e
ip.ta####.com/service/getIpInfo2.php?ip=####
q####.c####.l####.####.com/config/hz-hzv6.conf

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/1478b2a76ce66bc1271e20a2a06cf2d646a87c43676efb7....0.tmp
/data/data/####/1575075388479_3203
/data/data/####/1575075393157_3336
/data/data/####/1575075393540_3336
/data/data/####/1575075394172_3336
/data/data/####/1575075394526_3336
/data/data/####/1575075395201_3336
/data/data/####/1575075395351_3336
/data/data/####/1575075395423_3336
/data/data/####/1575075395738_3336
/data/data/####/1575075397299_3336
/data/data/####/1575075418881_3336
/data/data/####/1575075422085_3336
/data/data/####/1575075436855_3587
/data/data/####/1575075437195_3587
/data/data/####/1575075437860_3587
/data/data/####/1575075438050_3587
/data/data/####/1575075439431_3587
/data/data/####/1575075445618_3336
/data/data/####/1575075446107_3336
/data/data/####/1838dc6926a43d6900e6650de460092d0957351f970cd45....0.tmp
/data/data/####/1a84075059f2a8362a57a347fb4378ee983f353560937bf....0.tmp
/data/data/####/1b237baed751553aac99eb1d4c0bd4c7538605afa3d1232....0.tmp
/data/data/####/249489e08d0351e66462b580796928a4b66ce6383758e2c....0.tmp
/data/data/####/3fcc41f57177f7a1_0
/data/data/####/449f63767ff115814c19b74ed66e410715e2b1f5e49d632....0.tmp
/data/data/####/694cbe423c094ace79ee4e91ef49bb832191b529a4cfde4....0.tmp
/data/data/####/8c020a4c08a7b2f7074c3cc61a3d494cb6c711b1d45c73d....0.tmp
/data/data/####/9dbce6a266399ff0c3b733748cef656d64be5969e7b31fb....0.tmp
/data/data/####/AV_CLOUD_API_VERSION_KEY_ZONE.xml
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/Cookies-journal
/data/data/####/Hawk2.xml
/data/data/####/Hawk2.xml.bak
/data/data/####/Pythagoras_phase.xml
/data/data/####/TDCloudSettingsConfigC654CB226C9748B1AACEE26F3920C085.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_cloudcontrol1.xml.bak
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_longtime0.xml.bak
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/access_control.control.mx
/data/data/####/access_control.write.mx
/data/data/####/b4154b9abe18d15b55e7d0e3460083348a971b510d85f9d....0.tmp
/data/data/####/b519a3a766312cba_0
/data/data/####/b519a3a766312cba_0 (deleted)
/data/data/####/cf6b5e8ca4ddfafbee0420e2121a4a6387ffc3ca64694be....0.tmp
/data/data/####/cf7f244ed7e77a69708af2c31f03fe8c5dc3c30c668c55c....0.tmp
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.oat
/data/data/####/com.avos.avoscloud.RequestStatisticsUtil.data.xml
/data/data/####/com.avos.avoscloud.approuter.c7F8RnQRK7rWy63Y3g...ml.bak
/data/data/####/com.avos.avoscloud.approuter.c7F8RnQRK7rWy63Y3g...sz.xml
/data/data/####/com.qktz.qkz_preferences.xml
/data/data/####/com.qktz.qkz_preferences.xml.bak
/data/data/####/crypto.KEY_256.xml
/data/data/####/default.realm
/data/data/####/default.realm.lock
/data/data/####/e138b9c93147fb363601ad62d568ff6daa800f4455630b0...ed85.0
/data/data/####/e23f96bb0c04984ee9cb6795556813e08b2edad33ae226b....0.tmp
/data/data/####/e4316e297b60446d272e06605610dfc92ccf55b42e8f7b7....0.tmp
/data/data/####/f32e3fce0fedc960d86f52df2c459b6894037cf8ae3ed48....0.tmp
/data/data/####/getui_sp.xml
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/mPBE.xml
/data/data/####/metrics_guid
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdid.xml
/data/data/####/the-real-index
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes3.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes4.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
getprop

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
DES-CBC-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

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.

Technologies

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Myths

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