Android.Gexin.1627

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.Gexin.1

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(HTTP/1.1) jn####.nextse####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) a.appj####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.cn:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) 1####.250.150.95:443
TCP(TLS/1.0) 64.2####.164.95:443
TCP(TLS/1.0) api.skillst####.cn:443
TCP(TLS/1.0) app.skillst####.cn.####.cn:443
TCP(TLS/1.0) rr1---s####.g####.com:443
TCP(TLS/1.0) and####.a####.go####.com:443
TCP(TLS/1.0) thi####.q####.cn:443
TCP(TLS/1.0) 74.1####.205.95:443
TCP(TLS/1.2) 74.1####.131.94:443
TCP(TLS/1.2) 1####.250.150.95:443
TCP(TLS/1.2) 64.2####.161.101:443
UDP rr1---s####.g####.com:443
UDP 64.2####.164.95:443
UDP 1####.250.150.95:443
UDP 85.1####.117.141:443
TCP sdk.o####.t####.####.com:5224
TCP cm-10####.g####.com:5225

DNS requests:

7j####.c####.z0.####.com
a.appj####.com
and####.a####.go####.com
api.skillst####.cn
app.skillst####.cn
c-h####.g####.com
cdn-sdk####.g####.com
cm-10####.g####.com
jn####.nextse####.com
m####.go####.com
rr1---s####.g####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.i####.####.8
sdk.o####.i####.####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
thi####.q####.cn

HTTP GET requests:

cdn-sdk####.g####.com.####.cn/config/hzv9.conf
cdn-sdk####.g####.com.####.cn/tdata_EDB102
cdn-sdk####.g####.com.####.cn/tdata_EvJ733
cdn-sdk####.g####.com.####.cn/tdata_XwJ757
jn####.nextse####.com/avatar/1488501481376@1o|192-192-634-634a|48.75w
jn####.nextse####.com/avatar/1497397030427@1o|181-268-506-506a|48.75w
jn####.nextse####.com/avatar/1652844497828@1o|1257-821-1650-1650a|48.75w
jn####.nextse####.com/avatar/55db04c7c5e3d2bd2c90ee17@1o|155-36-287-287a...
jn####.nextse####.com/skill/55db04c7c5e3d2bd2c90ee17_l6q7d3hj@461w_2o|x3...
jn####.nextse####.com/skill/58b783ad971aa234e0e1e497_j9pa6f5a@461w_2o|x3...
jn####.nextse####.com/skill/594076e823cb8d0f0008d8cb_j3w8gtlb@461w_2o|x3...
jn####.nextse####.com/skill/6273ac748448b3622c896da3_l2swekvv@461w_2o|x3...
jn####.nextse####.com/skill/6274a6bc8448b3622c896da5_l2tyndi8@461w_2o|x3...
jn####.nextse####.com/skill/628466c58448b3622c896daa_l3b0pfnf@461w_2o|x3...
sdk-ope####.g####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_eoG063

HTTP POST requests:

a.appj####.com/ad-service/ad/mark
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/####/.jg.ic
/data/data/####/013888a1cda32b90_0
/data/data/####/2d6d90ebaa64ad2e_0
/data/data/####/2e073d9792d12b97_0
/data/data/####/4cb013792b196a35_0
/data/data/####/58a28741e55d806b_0
/data/data/####/5b2a944bd85f9f62_0
/data/data/####/5b2a944bd85f9f62_1
/data/data/####/5e1e197186216394_0
/data/data/####/5e1e197186216394_1
/data/data/####/5f36c372f017157d_0
/data/data/####/65c7d2a2af91f479_0
/data/data/####/67a473248953641b_0
/data/data/####/6e4aa45224880da4_0
/data/data/####/833a3625a731cfe9_0
/data/data/####/892e440d0ccb1e70_0
/data/data/####/8a1f655b1e37
/data/data/####/95a52511e03786a7_0
/data/data/####/967b4ae4c5c89bf6_0
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/Databases.db-journal
/data/data/####/H53443579.xml
/data/data/####/Index-journal
/data/data/####/QuotaManager-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a3d17dd41d4d7f47_0
/data/data/####/ac7dee31fb491eca_0
/data/data/####/b115d5e63f5dddce_0
/data/data/####/b6c28cea6ed9dfc1_0
/data/data/####/ba23d8ecda68de77_0
/data/data/####/c898d6cf3a786a97_0
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/classes.dex
/data/data/####/classes.oat
/data/data/####/classes2.dex
/data/data/####/clientid_igexin.xml
/data/data/####/cn.skillstreet.app_preferences.xml
/data/data/####/d087bee68900ce81_0
/data/data/####/d56ae15123cdc224_0
/data/data/####/d5a47145869c30c2_0
/data/data/####/f1cdccba37924bda_0
/data/data/####/fa813c9ad67834ac_0
/data/data/####/gkt-journal
/data/data/####/increment.db-journal
/data/data/####/index
/data/data/####/init.pid
/data/data/####/jg_app_update_settings_random.xml
/data/data/####/libjiagu.so
/data/data/####/metrics_guid
/data/data/####/pdr.xml
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdata_EvJ733.dex
/data/data/####/tdata_EvJ733.dex.flock (deleted)
/data/data/####/tdata_EvJ733.jar
/data/data/####/tdata_EvJ733.tmp
/data/data/####/tdata_XwJ757.dex
/data/data/####/tdata_XwJ757.dex.flock (deleted)
/data/data/####/tdata_XwJ757.jar
/data/data/####/tdata_XwJ757.tmp
/data/data/####/temp-index
/data/data/####/the-real-index
/data/data/####/umeng_general_config.xml
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/cn.skillstreet.app.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/gkt
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/gktper (deleted)
/data/media/####/tdata_EvJ733
/data/media/####/tdata_XwJ757
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
cat /proc/self/cgroup
cat /sys/class/net/wlan0/address
chmod 755 <Package Folder>/.jiagu/libjiagu.so
mount
sh

Loads the following dynamic libraries:

libjiagu

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CFB-NoPadding
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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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