Adware.Gexin.21041

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) 8####.8.4.4:53
TCP(TLS/1.0) connect####.gst####.com:443
TCP(TLS/1.0) 64.2####.165.95:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 2####.58.208.106:443
TCP(TLS/1.0) api.dinghu####.com:443
TCP(TLS/1.0) 64.2####.161.95:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) perform####.dinghu####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.2) 64.2####.161.139:443
TCP(TLS/1.2) 2####.58.208.106:443
TCP(TLS/1.2) 64.2####.165.95:443

DNS requests:

a####.dinghu####.com
android####.go####.com
api.dinghu####.com
connect####.gst####.com
instant####.google####.com
log.u####.com
md####.google####.com
oss.dinghu####.com
perform####.dinghu####.com
plb####.u####.com
res.dinghu####.com
u####.u####.com

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/05248155c7efae55_0
/data/data/####/0be766721d4f26a6_0
/data/data/####/0be766721d4f26a6_1
/data/data/####/140a19329ef1e1ac_0
/data/data/####/1457f37a789c0661_0
/data/data/####/1457f37a789c0661_1
/data/data/####/1d389d73dc208091_0
/data/data/####/1ec5ddc8fe3e3f74_0
/data/data/####/1ec5ddc8fe3e3f74_1
/data/data/####/2002db4f13bd37a3_0
/data/data/####/23f55efd824ac33f_0
/data/data/####/248a05216d87f1f2_0
/data/data/####/2a160362839b074c_0
/data/data/####/2a160362839b074c_1
/data/data/####/37902d45a94835b9_0
/data/data/####/381db88ae82049f7_0
/data/data/####/388354df3fd92c97_0
/data/data/####/388354df3fd92c97_1
/data/data/####/3c2e41382a8ced05_0
/data/data/####/3c2e41382a8ced05_1
/data/data/####/400358f23bc13257_0
/data/data/####/400358f23bc13257_1
/data/data/####/46d9fd6808516f18_0
/data/data/####/47310bfcd7ce75e8_0
/data/data/####/47310bfcd7ce75e8_1
/data/data/####/485651f5ad51db23_0
/data/data/####/4bd8a9bf385d20fb_0
/data/data/####/53cabefcb2ee1458_0
/data/data/####/53cabefcb2ee1458_1
/data/data/####/553ad012ff588772_0
/data/data/####/553ad012ff588772_1
/data/data/####/553f4cdb8bc1c542_0
/data/data/####/55889ab7e1aaaaab_0
/data/data/####/55889ab7e1aaaaab_1
/data/data/####/5861e03a5229ccc9_0
/data/data/####/5c558a3ce9bbf68d_0
/data/data/####/60681290f9d23fb9_0
/data/data/####/60ce3f20284270e0_0
/data/data/####/6accfb44e070c861_0
/data/data/####/6c9e572535de29af_0
/data/data/####/73137556f72ecbbd_0
/data/data/####/766491931765226a_0
/data/data/####/766491931765226a_1
/data/data/####/78546b070bc7a8b0_0
/data/data/####/7955f2eedfbb1ffd_0
/data/data/####/7955f2eedfbb1ffd_1
/data/data/####/7c219d98453bca15_0
/data/data/####/7c219d98453bca15_1
/data/data/####/7d95558d7d51bf1b_0
/data/data/####/7d95558d7d51bf1b_1
/data/data/####/7e9ac095c1e0c59e_0
/data/data/####/8d143f3245516bca_0
/data/data/####/8d143f3245516bca_1
/data/data/####/8e61beb535e366d3_0
/data/data/####/8e61beb535e366d3_1
/data/data/####/8f175e969a521430_0
/data/data/####/8f175e969a521430_1
/data/data/####/915b1945de15d86e_0
/data/data/####/98cd81e8d0683501_0
/data/data/####/99c8babcde10e2b6_0
/data/data/####/99c8babcde10e2b6_1
/data/data/####/9d7a0ff59a0dcc0b_0
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebCookie.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a28bf25e1cd0100c_0
/data/data/####/aa8bc5e8e3310fcd_0
/data/data/####/aa8bc5e8e3310fcd_1
/data/data/####/aca20619d523ef65_0
/data/data/####/adae6d7edbf26064_0
/data/data/####/b5cc0a9128690d60_0
/data/data/####/bac1b02c262fab5d_0
/data/data/####/c220b6e3d37dc444_0
/data/data/####/c49181087274887c_0
/data/data/####/c5e2bbf1d5cad93d_0
/data/data/####/c69caa6841ed0e2d_0
/data/data/####/c792e324ab9d1756_0
/data/data/####/c7cbcf6c3dee6b28_0
/data/data/####/ce60fb8e76284912_0
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.oat
/data/data/####/com.ircloud.ydh.agents.ydh02926756_preferences.xml
/data/data/####/d2927de564a0e6bb_0
/data/data/####/d2927de564a0e6bb_1
/data/data/####/d475282cc27bcc57_0
/data/data/####/d475282cc27bcc57_1
/data/data/####/d97984490a909a6a_0
/data/data/####/dW1weF9pbnRlcm5hbF8xNjE4MjIyMDczMjc0;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjE4MjIyMDg1MTQx;
/data/data/####/dW1weF9zaGFyZV8xNjE4MjIyMTIzNzk2;
/data/data/####/dW1weF9zaGFyZV8xNjE4MjIyMTMxNDU2;
/data/data/####/e3664e9ab454a36b_0
/data/data/####/e3e20c8f4590c73f_0
/data/data/####/e49036d9a4851ba4_0
/data/data/####/e5c11c8ce812330b_0
/data/data/####/e7669f1a77726e19_0
/data/data/####/e80fb72dba01fde2_0
/data/data/####/e80fb72dba01fde2_1
/data/data/####/ed7167a9c8060729_0
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f0c3038ccb9c6a25_0
/data/data/####/f2d6abf1efaf4d49_0
/data/data/####/f2d6abf1efaf4d49_1
/data/data/####/f316000fcd51d9d2_0
/data/data/####/f316000fcd51d9d2_1
/data/data/####/f583db7645796b8d_0
/data/data/####/f583db7645796b8d_1
/data/data/####/fc28143bae740b5d_0
/data/data/####/ff0bcff5b2da939c_0
/data/data/####/ff0bcff5b2da939c_1
/data/data/####/ffa5b2aa3a8d19a6_0
/data/data/####/ffb1977303b1d286_0
/data/data/####/ffb1977303b1d286_1
/data/data/####/https_agent.dinghuo123.com_0.localstorage-journal
/data/data/####/i==1.2.0&&1.3.2662_1618222073278_envelope.log
/data/data/####/i==1.2.0&&1.3.2662_1618222085262_envelope.log
/data/data/####/index
/data/data/####/info.xml
/data/data/####/libjiagu.so
/data/data/####/metrics_guid
/data/data/####/proc_auxv
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/share.db-journal
/data/data/####/temp-index
/data/data/####/the-real-index
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/data/####/umeng_socialize.xml
/data/data/####/xUtils_http_cookie.db
/data/data/####/xUtils_http_cookie.db-journal
/data/data/####/xUtils_http_cookie.db-shm (deleted)
/data/data/####/xUtils_http_cookie.db-wal
/data/data/####/ydh_config.xml
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/jiaxin_log_2021-04-12.log
/data/media/####/sysid.dat
/data/misc/####/primary.prof

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
/system/bin/dex2oat --instruction-set=x86 --dex-file=<Package Folder>/.jiagu/classes.dex --dex-file=<Package Folder>/.jiagu/classes.dex:classes2.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

Gets information about phone status (number, IMEI, etc.).

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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