Android.RemoteCode.534

Technical information

Malicious functions:

Executes code of the following detected threats:

Android.RemoteCode.127.origin

Gains access to the ITelephony private interface.

Network activity:

Connecting to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) up####.sdk.jig####.cn:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(TLS/1.0) api.s####.com:443
TCP(TLS/1.0) ys.la####.com:443
TCP(TLS/1.0) sh.wagbr####.alibaba####.com:443
TCP(TLS/1.0) et15-####.wagbr####.alibaba####.com:443
TCP(TLS/1.0) hs.cb####.com:443
TCP(TLS/1.0) s####.j####.cn:443
TCP(TLS/1.0) s####.la####.com:443
TCP(TLS/1.0) hs-pa####.b0.a####.com:443
UDP 1####.57.104.47:44467
UDP 1####.57.104.47:44464
UDP 1####.57.104.47:44465
UDP 1####.57.104.47:44480
UDP 1####.168.59.1:137
UDP s.j####.cn:19000
UDP 1####.57.104.47:44444
UDP 1####.57.104.47:44468
UDP 1####.57.104.47:44470
UDP 1####.57.104.47:44469
UDP 1####.57.104.47:44473
UDP 1####.57.104.47:44446
TCP 1####.121.49.91:7002
UDP 1####.57.104.47:44472
UDP 1####.57.104.47:44447
UDP 1####.57.104.47:44459
UDP 1####.57.104.47:44475
UDP 1####.57.104.47:44458
UDP 1####.57.104.47:44474
UDP 1####.57.104.47:44457
UDP 1####.57.104.47:44477
UDP 1####.57.104.47:44445
UDP 1####.57.104.47:44456
UDP 1####.57.104.47:44448
UDP 1####.57.104.47:44476
UDP 1####.57.104.47:44471
UDP 1####.57.104.47:44455
UDP 1####.57.104.47:44449
UDP 1####.57.104.47:44479
UDP 1####.57.104.47:44454
UDP 1####.57.104.47:44478
UDP 1####.57.104.47:44462
UDP 1####.57.104.47:44453
UDP 1####.57.104.47:44463
UDP 1####.57.104.47:44452
UDP 1####.57.104.47:44460
UDP 1####.57.104.47:44451
UDP 1####.57.104.47:44461
UDP 1####.57.104.47:44450
UDP 1####.57.104.47:44466

DNS requests:

and####.b####.qq.com
api.s####.com
hs-pa####.s####.com
hs.cb####.com
log.u####.com
plb####.u####.com
s####.j####.cn
s####.la####.com
s.j####.cn
sec.u####.com
u####.u####.com
up####.sdk.jig####.cn
ys.la####.com

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
up####.sdk.jig####.cn/v1/push/sdk/postlist

Modified file system:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/031230e4-80e2-491b-ad21-5b43386ca88a
/data/data/####/1004
/data/data/####/259ae288-8a65-4ef9-8e00-edc1692436fd
/data/data/####/578ce82e-276b-4a86-91f1-99399f1bbcae
/data/data/####/Alvin2.xml
/data/data/####/ApplicationCache.db-journal
/data/data/####/ContextData.xml
/data/data/####/JPushSA_Config.xml
/data/data/####/MultiDex.lock
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/appPackageNames_v2
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/bugly_db_-journal
/data/data/####/cn.jpush.android.user.profile.xml
/data/data/####/cn.jpush.preferences.v2.rid.xml
/data/data/####/cn.jpush.preferences.v2.xml
/data/data/####/crashrecord.xml
/data/data/####/d5a09993-5e29-4edd-af38-e00d6e4eeb27
/data/data/####/data_0
/data/data/####/data_1
/data/data/####/data_2
/data/data/####/data_3
/data/data/####/de401aaa-b3f2-4e71-8c36-7fa0a6cbb79e
/data/data/####/e2e1c727-1d70-42e9-98e6-9c075184ab4d
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/i==1.2.0&&1.2_1526453966653_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/jb_sp.xml
/data/data/####/jpush_device_info.xml
/data/data/####/jpush_stat_cache.json
/data/data/####/jpush_stat_cache_history.json
/data/data/####/jpush_statistics.db
/data/data/####/jpush_statistics.db-journal
/data/data/####/jpush_statistics.db-shm (deleted)
/data/data/####/jpush_statistics.db-wal
/data/data/####/libjiagu2047352379.so
/data/data/####/local_crash_lock
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/okgo_cookie.xml
/data/data/####/security_info
/data/data/####/share.db-journal
/data/data/####/sobot_chat_20180516_log.txt
/data/data/####/sobot_config.xml
/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/####/umeng_socialize.xml
/data/data/####/webview.db-journal
/data/data/####/webviewCookiesChromium.db-journal
/data/media/####/.a.dat
/data/media/####/.adfwe.dat
/data/media/####/.cca.dat
/data/media/####/.nomedia
/data/media/####/.push_deviceid
/data/media/####/.umm.dat
/data/media/####/255633e1-f975-458f-b4f0-e0c2f879ad1f
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/phone_uuid.tmp

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
/system/bin/sh -c getprop
/system/bin/sh -c type su
chmod 755 <Package Folder>/.jiagu/libjiagu2047352379.so
getprop
ls /
ls /sys/class/thermal

Loads the following dynamic libraries:

Bugly
jcore121
libjiagu2047352379
securityenv

Uses the following algorithms to encrypt data:

AES
AES-CBC-PKCS5Padding
AES-ECB-PKCS7Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES
AES-ECB-NoPadding
AES-GCM-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 installed applications.

Adds tasks to the system scheduler.

Displays its own windows over windows of other applications.

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