Adware.Gexin.268

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) xiaoyu-####.b0.upa####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) sni.c####.q####.####.net:80
TCP(TLS/1.0) ssl.gst####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) wfd.net####.im:443
TCP(TLS/1.0) j####.you####.me:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) www.go####.com:443
TCP(TLS/1.0) nim.qi####.com:443
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) adser####.go####.com:443
TCP(TLS/1.0) qy-swa####.qi####.com:443
TCP(TLS/1.0) t.growi####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP c####.g####.ig####.com:5224
TCP l####.net####.im:8080
TCP sdk.o####.t####.####.com:5224

DNS requests:

7j####.c####.z0.####.com
adser####.go####.com
api.growi####.com
c####.g####.ig####.com
c-h####.g####.com
j####.you####.me
l####.net####.im
lbs.net####.im
nim.qi####.com
plb####.u####.com
qy-swa####.qi####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
ssl.gst####.com
t.growi####.com
u####.u####.com
wfd.net####.im
www.go####.com
www.go####.nl
www.gst####.com
xiaoyu-####.b0.upa####.com

HTTP GET requests:

sni.c####.q####.####.net/config/hz-hzv3.conf
sni.c####.q####.####.net/tdata_MkX219
sni.c####.q####.####.net/tdata_iGj879
xiaoyu-####.b0.upa####.com/uploads//home/jizu_V23.png
xiaoyu-####.b0.upa####.com/uploads//home/use-bag_V23.png
xiaoyu-####.b0.upa####.com/uploads/goods/20180524/3c8e82ba817d4854bc10b5...
xiaoyu-####.b0.upa####.com/uploads/goods/20180524/49d02b38abbb4733a13546...
xiaoyu-####.b0.upa####.com/uploads/goods/20180525/7f32aadb444e4b36956006...
xiaoyu-####.b0.upa####.com/uploads/goods/20180530/4d4ddb10d0ba4bdaa47016...
xiaoyu-####.b0.upa####.com/uploads/goods/20180530/9cd4f8809bed470d8d44b6...
xiaoyu-####.b0.upa####.com/uploads/goods/20180604/3c0678d99aee472fb9b760...
xiaoyu-####.b0.upa####.com/uploads/goods/20180607/a45d34dbe82341438d07a3...
xiaoyu-####.b0.upa####.com/uploads/goods/20180614/b3c9f2593cea4e3d9c556e...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/02e9b372b7834ccdad74dd...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/0ad02c08438a4953b4d358...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/0c2312cf69c6436493c885...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/1c753b030f9a4506be91f8...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/2043eb49693b4f72902a72...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/568ffd3e52144adf8a8d18...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/6b317c8bf142438bbc60cb...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/8ad5a84d63d5480e8ce685...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/9d9c7cf2cde6402eb2c9ac...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/b2efec18ae42458b864aa7...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/cb66b733654546ff803e91...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/cee526a671df4f84b7af7d...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/d7c4700ba96a46a9840f24...
xiaoyu-####.b0.upa####.com/uploads/topic/20180531/ffcdd5e1adba41f19ff5d5...
xiaoyu-####.b0.upa####.com/uploads/topic/20180601/30afc3e2a02c42c5b62433...
xiaoyu-####.b0.upa####.com/uploads/topic/20180613/a7cf72664e3b46c7b34c46...
xiaoyu-####.b0.upa####.com/uploads/topic/20180615/bdd5df51ef074ebe82d30b...
xiaoyu-####.b0.upa####.com/uploads/topic/20180627/c45b3a847d8e4559b74743...
xiaoyu-####.b0.upa####.com/uploads/topic/20180711/c96824bf68ae4c8aa0d052...
xiaoyu-####.b0.upa####.com/uploads/topic/20180717/1e617a149f024d18b87e6c...

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/NIMSDK_Config_19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/NIMSDK_Config_19bb266bc86cb2cfe0f6784867b55f45_...05.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/Unicorn.19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/_nohttp_cache_db.db
/data/data/####/_nohttp_cache_db.db-journal
/data/data/####/_nohttp_cookies_db.db
/data/data/####/_nohttp_cookies_db.db-journal
/data/data/####/a==7.4.0&&2.3_1531845711138_envelope.log
/data/data/####/com.qiyukf.analytics.xml
/data/data/####/com.xiaoyu.youmiao;core.growing.db
/data/data/####/com.xiaoyu.youmiao;core.growing.db-journal
/data/data/####/com.xiaoyu.youmiao;pushservice.growing.db
/data/data/####/com.xiaoyu.youmiao;pushservice.growing.db-journal
/data/data/####/d==7.4.0&&2.3_1531845711356_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845718301_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845719072_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845720634_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845722101_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845723526_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845724988_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845726660_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845727606_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845729199_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845731699_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845737719_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845739473_envelope.log
/data/data/####/d==7.4.0&&2.3_1531845740866_envelope.log
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&2.3_1531845710526_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu1570293535.so
/data/data/####/msg.db-journal
/data/data/####/multidex.version.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/qiyu_save_19bb266bc86cb2cfe0f6784867b55f45.xml
/data/data/####/run.pid
/data/data/####/tdata_MkX219
/data/data/####/tdata_MkX219.jar
/data/data/####/tdata_iGj879
/data/data/####/tdata_iGj879.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_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/unicorn#cheese#
/data/data/####/youmiao_cache_settings.xml
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.umm.dat
/data/media/####/053881070ac52f9797b0bdd781044e9198c876f66d90d0....0.tmp
/data/media/####/0d37658dc21330575bb0f48cb811d163aa52088b6d6f0b....0.tmp
/data/media/####/1f3f5ca9fc78f860fa7db383a611daed8f96911eed1757....0.tmp
/data/media/####/2375db5fa4d1b4fe341c67eb9bc4813ae1cdeed7fe569e....0.tmp
/data/media/####/2f48e097bed02ac1ad127c87ddf706423d4b47bb0db14e....0.tmp
/data/media/####/3b251f8345cd5655221f3086a9032e71f8914ef91fd44d....0.tmp
/data/media/####/71550a8535a5f33092f0d45d0d8ad58d95f8751f739d09....0.tmp
/data/media/####/77171a6c481db76a800c876ffcb06148e1cc4de1bb3f10....0.tmp
/data/media/####/8d3c30a888afcb1d40844f4fc007b096f74a877f73594d....0.tmp
/data/media/####/9b44c4864e89689d9e1af908e991221e0ff0b191e1b5f6....0.tmp
/data/media/####/9d7c8e0907c53865a08be47f35dd900733bb1d5afddd9a....0.tmp
/data/media/####/9f1d8343c93605e4a3484bd48709fe6ad23c39a5263f26....0.tmp
/data/media/####/9f378271f481736d5e4046ccdd8cb77ce0b9185d824faf....0.tmp
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/a1ec5614918c7a5cc0ffafa221dcd02b1193f5f4423cda....0.tmp
/data/media/####/a9bf12b2ff4ed5923fe2b5193ec6c59c6d651ea6eaecca....0.tmp
/data/media/####/app.db
/data/media/####/b43b9876c1c99eb7ce4701cd7071698f9db9846dad88a5....0.tmp
/data/media/####/b8a26a72092269b86fb7494e4064453452d9e4cb6adc34....0.tmp
/data/media/####/bbc707633537f4a6c1f305188ac6631c9b9caea9d9cad7....0.tmp
/data/media/####/c1c80eb866ed968baf5049cb059c1207daea706cb16b3b....0.tmp
/data/media/####/c87b4a526e79d165ede95e19d8ed01909fffaadae6fd49....0.tmp
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.xiaoyu.youmiao.bin
/data/media/####/com.xiaoyu.youmiao.db
/data/media/####/d7b515544a6e63ede5dc1f1e4078012fcb41de2b37cd60....0.tmp
/data/media/####/e38d83d565467580ee53afe4b8cf464b0d639c8ab4fc69....0.tmp
/data/media/####/e3f883d0adfe1816456fc9c305c9d363208b53ebabd873....0.tmp
/data/media/####/f4efc5164a37be20a333c7a49fbf958d52b98069805c94....0.tmp
/data/media/####/journal.tmp
/data/media/####/tdata_MkX219
/data/media/####/tdata_iGj879
/data/media/####/test.log

Miscellaneous:

Executes next 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
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetuiPushService 24853 300 0
chmod 700 <Package Folder>/files/gdaemon_20161017
chmod 755 <Package Folder>/.jiagu/libjiagu1570293535.so
ls /
ls /sys/class/thermal
sh <Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.getui.GetuiPushService 24853 300 0

Loads the following dynamic libraries:

getuiext2
libjiagu1570293535

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-NoPadding

Uses special library to hide executable bytecode.

Gains access to geolocation.

Gains access to network information.

Gains access to telephone information (number, imei, etc.).

Gains access to information about APN settings.

Gains access to information about installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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