Adware.Gexin.18226

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(HTTP/1.1) q####.c####.l####.####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) 1####.217.168.234:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) wa####.127.net:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 1####.217.168.206:443
TCP(TLS/1.0) secgw-n####.wagbr####.ali####.####.com:443
TCP(TLS/1.2) 1####.217.20.74:443
UDP 70.2####.104.47:44449
UDP 70.2####.104.47:44455
UDP 70.2####.104.47:44448
TCP cm-1####.ig####.com:5225
UDP 70.2####.104.47:44457
UDP 70.2####.104.47:44458
TCP sdk.o####.t####.####.com:5224
UDP 70.2####.104.47:44447
UDP 70.2####.104.47:44446
UDP 70.2####.104.47:44445
UDP 1####.168.115.1:137
UDP 70.2####.104.47:44444
UDP 70.2####.104.47:44456
UDP 70.2####.104.47:44459
UDP 70.2####.104.47:44450
UDP 70.2####.104.47:44461
UDP 70.2####.104.47:44451
UDP 70.2####.104.47:44460
UDP 70.2####.104.47:44452
UDP 70.2####.104.47:44463
UDP 70.2####.104.47:44453
UDP 70.2####.104.47:44462
UDP 70.2####.104.47:44454

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
and####.google####.com
c-h####.g####.com
cm-1####.ig####.com
instant####.google####.com
lbs.net####.im
plb####.u####.com
pub-####.qin####.com
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
sec.u####.com
u####.u####.com
wa####.127.net

HTTP GET requests:

q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_EDT369
q####.c####.l####.####.com/tdata_LRe817
q####.c####.l####.####.com/tdata_OxN092
q####.c####.l####.####.com/tdata_ZPR725
q####.c####.l####.####.com/tdata_bca864
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
c-h####.g####.com/api.php?format=####&t=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/0.1.6
/data/data/####/1004
/data/data/####/6188d9d1fdb1
/data/data/####/Alvin2.xml
/data/data/####/BQMMSDKVersion.xml
/data/data/####/Bqmm.db-journal
/data/data/####/ContextData.xml
/data/data/####/Cookies-journal
/data/data/####/Demo.null.xml
/data/data/####/NIMSDK_Config_28539fa2d746169ce405aeca463ce8fb.xml
/data/data/####/NIMSDK_Config_28539fa2d746169ce405aeca463ce8fb.xml.bak
/data/data/####/OkHttp_CookiePrefsFile.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/a9df10f1
/data/data/####/be7b7b05-7ca6-433e-b4b8-e26585aa3a9b
/data/data/####/bqmm_keyword_emojis.xml
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.oat
/data/data/####/com.haifan.app_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTcxMDM5NTUzNzc4;
/data/data/####/dc2C0FAD066AE5ECAF
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&0.1.6_1571039553764_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/package_downstate.xml
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushk.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/tdata_LRe817
/data/data/####/tdata_LRe817.dex.flock (deleted)
/data/data/####/tdata_LRe817.jar
/data/data/####/tdata_OxN092
/data/data/####/tdata_OxN092.dex
/data/data/####/tdata_OxN092.dex.flock (deleted)
/data/data/####/tdata_OxN092.jar
/data/data/####/tdata_ZPR725
/data/data/####/tdata_ZPR725.dex
/data/data/####/tdata_ZPR725.dex.flock (deleted)
/data/data/####/tdata_ZPR725.jar
/data/data/####/tdata_bca864
/data/data/####/tdata_bca864.dex
/data/data/####/tdata_bca864.dex.flock (deleted)
/data/data/####/tdata_bca864.jar
/data/data/####/um_pri.xml
/data/data/####/umdat.xml
/data/data/####/umeng_common_config.xml
/data/data/####/umeng_common_config.xml.bak
/data/data/####/umeng_common_location.xml
/data/data/####/umeng_general_config.xml
/data/data/####/umeng_it.cache
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/data/user/0/<Package>/app_06851326-179e-4f06-8472-d5e78a1ab259/dc2C0FAD066AE5ECAF
/system/bin/cat /proc/cpuinfo
/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 --dex-file=<Package Folder>/.jiagu/classes.dex:classes3.dex --oat-file=<Package Folder>/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/files/tdata_LRe817.jar --oat-fd=50 --oat-location=/data/user/0/<Package>/files/tdata_LRe817.dex --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/files/tdata_OxN092.jar --oat-fd=43 --oat-location=/data/user/0/<Package>/files/tdata_OxN092.dex --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/files/tdata_ZPR725.jar --oat-fd=37 --oat-location=/data/user/0/<Package>/files/tdata_ZPR725.dex --compiler-filter=speed
/system/bin/dex2oat --runtime-arg -classpath --runtime-arg & --instruction-set=x86 --instruction-set-features=smp,ssse3,sse4.1,sse4.2,-avx,-avx2,-lock_add,popcnt --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --dex-file=/data/user/0/<Package>/files/tdata_bca864.jar --oat-fd=48 --oat-location=/data/user/0/<Package>/files/tdata_bca864.dex --compiler-filter=speed
cat /proc/uid_stat/10065/tcp_rcv
cat /proc/uid_stat/10065/tcp_snd
cat /sys/class/net/wlan0/address
getprop
ls /
ls /sys/class/thermal
mount
sh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about network.

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

Gets information about installed apps.

Adds tasks to the system scheduler.

Displays its own windows over windows of other apps.

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