Technical information
Malicious functions:
Executes code of the following detected threats:
- Tool.SilentInstaller.3.origin
Gains access to the ITelephony private interface.
Network activity:
Connecting to:
- a####.####.com
- bookweb####.####.com
- h####.####.com
- i####.####.com
- t####.####.com
- t####.####.com:8900
HTTP GET requests:
- a####.####.com/api/bookapp/systemNotice.m?session_id=####&cid=####&versi...
- bookweb####.####.com/v12/contentExtract.m?udid=####&os=####&osv=####&av=...
- i####.####.com/i/chargebook/easou_cp_1/2/22444602000842102/2.jpg
HTTP POST requests:
- a####.####.com/apksupload
- h####.####.com/app.gif
- t####.####.com/up
- t####.####.com:8900/up
Modified file system:
Creates the following files:
- <Package Folder>/.jiagu/libjiagu.so
- <Package Folder>/cache/####/-11521021571153764377
- <Package Folder>/cache/####/-1438792142-736643425
- <Package Folder>/cache/####/-379523194-2097463351
- <Package Folder>/cache/####/-379523194-301429362
- <Package Folder>/cache/####/-379523194-350308395
- <Package Folder>/cache/####/-3795231941111639879
- <Package Folder>/cache/####/-3795231941733220021
- <Package Folder>/cache/####/1170150601-201764881
- <Package Folder>/cache/####/1487285220-228211940
- <Package Folder>/cache/####/1645948369-340585424
- <Package Folder>/cache/####/1829955542-1533212110
- <Package Folder>/cache/####/32652244-201764881
- <Package Folder>/cache/####/37818487-240900685
- <Package Folder>/cache/####/439268481-201764881
- <Package Folder>/database/pushinfo.db
- <Package Folder>/database/pushinfo.db-journal
- <Package Folder>/databases/easouBook.db
- <Package Folder>/databases/easouBook.db-journal
- <Package Folder>/databases/es.db
- <Package Folder>/databases/es.db-journal
- <Package Folder>/databases/es.db-shm (deleted)
- <Package Folder>/databases/es.db-wal
- <Package Folder>/databases/local.db
- <Package Folder>/databases/local.db-journal
- <Package Folder>/databases/localEasouBook.db
- <Package Folder>/databases/localEasouBook.db-journal
- <Package Folder>/databases/pushstat_5.5.0.db
- <Package Folder>/databases/pushstat_5.5.0.db-journal
- <Package Folder>/databases/u.dbv5
- <Package Folder>/databases/u.dbv5-journal
- <Package Folder>/databases/webview.db-journal
- <Package Folder>/files/####/.jg.ic
- <Package Folder>/files/__local_ap_info_cache.json
- <Package Folder>/files/__local_last_session.json
- <Package Folder>/files/__local_stat_cache.json
- <Package Folder>/files/__send_data_1501141126358
- <Package Folder>/files/epay.jar
- <Package Folder>/files/libcuid.so
- <Package Folder>/files/user_log_0_8fdb3_1501141128809
- <Package Folder>/files/user_log_3_b7754_1501141127182
- <Package Folder>/files/user_log_6_805e3_1501141163501
- <Package Folder>/shared_prefs/.xml
- <Package Folder>/shared_prefs/<Package>.push_sync.xml
- <Package Folder>/shared_prefs/<Package>.self_push_sync.xml
- <Package Folder>/shared_prefs/<Package>_preferences.xml
- <Package Folder>/shared_prefs/__Baidu_Stat_SDK_SendRem.xml
- <Package Folder>/shared_prefs/com.baidu.pushservice.BIND_CACHE.xml
- <Package Folder>/shared_prefs/common_prefs.xml
- <Package Folder>/shared_prefs/epay_share.xml
- <Package Folder>/shared_prefs/es_a_f_pref.xml
- <Package Folder>/shared_prefs/multidex.version.xml
- <Package Folder>/shared_prefs/pst.xml
- <Package Folder>/shared_prefs/pst.xml (deleted)
- <Package Folder>/shared_prefs/pushclient.xml
- <SD-Card>/backups/####/.confd
- <SD-Card>/backups/####/.confd-journal
- <SD-Card>/backups/####/.cuid
- <SD-Card>/backups/####/.cuid2
- <SD-Card>/backups/####/.timestamp
- <SD-Card>/easou_book/####/2484aaf1f5c6dea3811dd77c1cd803c7.image_cover
- <SD-Card>/easou_book/####/3d57a4546402c29297986975c4967f6b.web_titles_cache
- <SD-Card>/easou_book/####/73be15f6e5bbc76bd96513a911732acb.image_cover
- <SD-Card>/easou_book/####/989b62c0f2c10a396c0c2a66ef998b5e.image_cover
- <SD-Card>/easou_book/####/ab6d93de267adff7c556c19b49bd17c1.image_cover
- <SD-Card>/easou_book/####/alipay_msp.apk
- <SD-Card>/easou_book/####/be218bdfce973a5bb5669d5e380062b1.image_cover
- <SD-Card>/easou_book/####/ea5ce4682379bcee4d8cf2c1f1fda18.image_cover
Miscellaneous:
Executes next shell scripts:
- cat /sys/class/net/wlan0/address
- chmod /data/data/com.esbook.reader 777&& busybox chmod /data/data/com.esbook.reader 777
- chmod 755 /data/data/com.esbook.reader/.jiagu/libjiagu.so
- chmod 755 <Package Folder>/.jiagu/libjiagu.so
- chmod <Package Folder> 777&& busybox chmod <Package Folder> 777
Loads the following dynamic libraries:
- bdpush_V2_7
- crash_analysis
- libjiagu
- native-lib
Uses the following algorithms to encrypt data:
- AES-CBC-PKCS5Padding
- AES-ECB-PKCS5Padding
- RSA-ECB-PKCS1Padding
Uses the following algorithms to decrypt data:
- AES-CBC-PKCS5Padding
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.
Gains access to information about running applications.
Adds tasks to the system scheduler.
Displays its own windows over windows of other applications.
Parses information from SMS messages.
Gains access to information about sent/received SMS messages.
