Adware.Gexin.18248

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/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) dev.api.c####.####.net:443
TCP(TLS/1.0) img.ron####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) c####.e.qq.com:443
TCP(TLS/1.0) g.ron####.com:443
TCP(TLS/1.0) m.ron####.com:443
TCP(TLS/1.0) www.ron####.com:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
c####.e.qq.com
c-h####.g####.com
cm-1####.ig####.com
erlv####.api.l####.net
g.ron####.com
img.ron####.com
m.ron####.com
plb####.u####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.ron####.com
u####.u####.com
www.ron####.com

HTTP GET requests:

q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_EDT369
q####.c####.l####.####.com/tdata_LRe817
q####.c####.l####.####.com/tdata_OxN092
q####.c####.l####.####.com/tdata_ZPR725
q####.c####.l####.####.com/tdata_bca864
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/3fe3a125bc122b91e2edb07f5d4c542d8741592e427a752....0.tmp
/data/data/####/49573d3553bcafc8724a3a12b9f4f9e7f8b1ddc3a8f3820....0.tmp
/data/data/####/79989f7dd2530ad5e71f0635a7b427159319b3a768a5549....0.tmp
/data/data/####/7d6a64559bab1540330ac59bcb1032c77ca3baff0f4343f....0.tmp
/data/data/####/8898b724ae2c9f279baf5ffd182d50ce95e00497cb3bfcd....0.tmp
/data/data/####/8a2be0e5d41d779d81ae42b918ab61ae7f47bd5c7a6f921....0.tmp
/data/data/####/8cc8ef3debdd1fb4aa3a741cd1030206901e699bfcad3bd....0.tmp
/data/data/####/95398e9ba0b24a471439912e1be844edeb0ebe759471d05....0.tmp
/data/data/####/95d0ced0ce825832e887c3f8b6352e2fb18267315ab3389....0.tmp
/data/data/####/CookiePersistence.xml
/data/data/####/MultiDex.lock
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/a==7.5.4&&1.3_1571069493714_envelope.log
/data/data/####/adceaa8762bb
/data/data/####/c360Origin_prefs.xml
/data/data/####/d6ebea86538e27264d35610abd762b4c4a04e457038ee2a....0.tmp
/data/data/####/d9cbaea44c1eb8b1a3049458cf3bcfc351dd2d15d55b4b8....0.tmp
/data/data/####/dW1weF9pbnRlcm5hbF8xNTcxMDY5NDkyODg5;
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_2 (deleted)
/data/data/####/data_3
/data/data/####/data_3 (deleted)
/data/data/####/e69a77ace7c11a9dbc04f8553c642e57a1db504bcbb24e1....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f_000001
/data/data/####/f_000002
/data/data/####/f_000003
/data/data/####/f_000004
/data/data/####/f_000005
/data/data/####/f_000006
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.3_1571069492895_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/libjiagu-1479065930.so
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/share_name.xml
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_OxN092
/data/data/####/tdata_OxN092.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.jar
/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/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/data/####/webviewCookiesChromium.db-journal (deleted)
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.umm.dat
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xiaoming.whitecard.bin
/data/media/####/com.xiaoming.whitecard.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_LRe817
/data/media/####/tdata_OxN092
/data/media/####/tdata_ZPR725
/data/media/####/tdata_bca864
/data/media/####/test.log

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq
<Package Folder>/files/gdaemon_20161017 0 <Package>/com.songbai.whitecard.service.PushService 25226 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
ls /
ls /sys/class/thermal
mount
sh
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/com.songbai.whitecard.service.PushService 25226 300 0

Loads the following dynamic libraries:

getuiext3
libjiagu-1479065930

Uses the following algorithms to encrypt data:

AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding

Accesses the ITelephony private interface.

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.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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