Adware.Gexin.7264

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) log.sn####.com.####.net:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) api.zhuishu####.com:80
TCP(HTTP/1.1) pub-####.qin####.com:80
TCP(TLS/1.0) ex####.sn####.com:443
TCP(TLS/1.0) et2-na6####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) log.sn####.com.####.net:443
TCP(TLS/1.0) i.sn####.com:443
TCP sdk.o####.t####.####.com:5224
TCP c####.g####.ig####.com:5226

DNS requests:

7j####.c####.z0.####.com
api.zhuishu####.com
c####.g####.ig####.com
c-h####.g####.com
ex####.sn####.com
i.sn####.com
is.sn####.com
log.sn####.com
plb####.u####.com
pub-####.qin####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sf1-ttc####.ps####.com
u####.u####.com

HTTP GET requests:

api.zhuishu####.com/cats/lv2/statistics
api.zhuishu####.com/ranking/54d42d92321052167dfb75e3
api.zhuishu####.com/ranking/54d43437d47d13ff21cad58b
api.zhuishu####.com/ranking/5a6844aafc84c2b8efaa6b6e
api.zhuishu####.com/ranking/5a6844f8fc84c2b8efaa8bc5
api.zhuishu####.com/ranking/gender
pub-####.qin####.com/tdata_EDT356
sf1-ttc####.ps####.com/img/ad.union.api/99bcd8395133f36701d75b93ff85c46a...
sf1-ttc####.ps####.com/img/ad.union.api/fdccaa6d0287eae4c465bc17fae42462...
t####.c####.q####.####.com/config/hz-hzv3.conf
t####.c####.q####.####.com/tdata_kgM272
t####.c####.q####.####.com/tdata_vHH584

HTTP POST requests:

c-h####.g####.com/api.php?format=####&t=####
log.sn####.com.####.net/service/2/app_log_exception/?openudid=####&versi...
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/anr/traces.txt
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/1546531553715
/data/data/####/1546531556041
/data/data/####/1546531560616
/data/data/####/1546531563428
/data/data/####/1546531573581
/data/data/####/1546531574723
/data/data/####/1546531589535
/data/data/####/1546531601943
/data/data/####/1546531607237
/data/data/####/1546531608669
/data/data/####/87d6abb90f44
/data/data/####/MultiDex.lock
/data/data/####/bookshelf_data_0-journal
/data/data/####/category_data_0-journal
/data/data/####/com.wefun.reader_ConfigPreference.xml
/data/data/####/com.wefun.reader_RankingPreference_0.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTQ4Nzg4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTU1OTk0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTU5Mzcw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTUzNjI5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTY0MjA5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTY3NjE0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTY4OTk5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTYwNTM2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTYzMjQ5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTc0Njc0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTcwNDkz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTczNTA5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTg1ODQ3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTg4NDQw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTg4OTc3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTgwNDg2;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTk2MTA1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTk3MTAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNTkxNDAw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjA1Njg5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjA2MjI0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjA3MTMz;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjA4NjUy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjA5NzY4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjAxOTA0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTQ2NTMxNjAyNzIz;
/data/data/####/downloader.db
/data/data/####/downloader.db-journal
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/gdaemon_20161017
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&1.1.7_1546531548831_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu-1076437451.so
/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/####/ranking_data_0-journal
/data/data/####/run.pid
/data/data/####/tdata_kgM272
/data/data/####/tdata_kgM272.jar
/data/data/####/tdata_vHH584
/data/data/####/tdata_vHH584.jar
/data/data/####/tt_materialMeta.xml
/data/data/####/tt_sdk_settings.xml
/data/data/####/tt_splash.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db
/data/data/####/ttopensdk.db-journal
/data/data/####/ua.db
/data/data/####/ua.db-journal
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.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/####/.nomedia
/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.wefun.reader.bin
/data/media/####/com.wefun.reader.db
/data/media/####/tdata_kgM272
/data/media/####/tdata_vHH584
/data/media/####/test.log
/data/media/####/tt_splash_image_cache

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
<Package Folder>/files/gdaemon_20161017 0 <Package>/<Package>.push.AppPushService 24587 300 0
cat /sys/class/net/wlan0/address
chmod 700 <Package Folder>/files/gdaemon_20161017
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
ls /sys/class/thermal
mount

Loads the following dynamic libraries:

getuiext2
libjiagu-1076437451

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
AES-ECB-PKCS5Padding

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

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