Adware.Gexin.20340

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) pic.zha####.tv:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) api-b####.zhangyu####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) tinychi####.q####.com.####.com:80
TCP(HTTP/1.1) amdc####.m.ta####.com:80
TCP(HTTP/1.1) pic.s####.chuangw####.cn:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) c####.x####.com:443
TCP(TLS/1.0) av1.x####.com:443
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) fp.fraudme####.cn:443
TCP(TLS/1.0) 2####.58.211.110:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) md####.google####.com:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) pic.zhangyu####.com:443
TCP(TLS/1.0) www.google####.com:443
TCP(TLS/1.0) 1####.217.20.74:443
TCP(TLS/1.0) 1####.217.17.138:443
TCP(TLS/1.2) 1####.217.17.138:443
TCP(TLS/1.2) 1####.217.19.195:443
TCP(TLS/1.2) 2####.58.211.110:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5224
TCP zb-cent####.m.ta####.com:80
TCP zb-cent####.m.ta####.com:443

DNS requests:

7j####.c####.z0.####.com
a####.man.aliy####.com
amdc####.m.ta####.com
android####.go####.com
api-b####.zhangyu####.com
av1.x####.com
c####.x####.com
c####.x####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cm-1####.g####.com
fp.fraudme####.cn
instant####.google####.com
md####.google####.com
p####.google####.com
pic.s####.chuangw####.cn
pic.zha####.tv
pic.zhangyu####.com
plb####.u####.com
sdk-ope####.g####.com
sdk.c####.g####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
u####.u####.com
umen####.m.ta####.com
umengj####.m.ta####.com
www.google####.com

HTTP GET requests:

api-b####.zhangyu####.com/zy-sns/v1/app/ads/list
api-b####.zhangyu####.com/zy-sns/v1/app/appSync?platform=####&version=####
api-b####.zhangyu####.com/zy-sns/v1/app/circle/recommend
api-b####.zhangyu####.com/zy-sns/v1/app/feed/list2?cursor=####&tab=####
cdn-sdk####.g####.com.####.com/tdata_EDB102
cdn-sdk####.g####.com.####.com/tdata_Qna477
cdn-sdk####.g####.com.####.com/tdata_trp703
cdn-sdk####.g####.com.####.com/tdata_xEA084
pic.s####.chuangw####.cn/ugc/2019-12/17/a360ae61-22f3-4041-bfd7-703decb9...
pic.s####.chuangw####.cn/ugc/2019-12/27/59869fa6-0ef3-425a-a3d5-1e305b9b...
pic.s####.chuangw####.cn/ugc/2020-03/25/9bbb2f0c-7401-4e2b-bbd5-8988903d...
pic.s####.chuangw####.cn/ugc/2020-04/19/e1ac7f71-ae40-464c-ae7c-d841db38...
pic.s####.chuangw####.cn/ugc/2020-04/20/24532a4a-870a-48bc-951d-6e61f560...
pic.s####.chuangw####.cn/ugc/2020-05/18/2f86e151-9751-4b2f-9117-2ef3ca8c...
pic.s####.chuangw####.cn/ugc/2020-05/18/d5b5cb47-8367-4d0b-bda8-c0326c89...
pic.zha####.tv/upload/1544783895744521.png
sdk.o####.p####.####.com/api/addr.htm
ti####.c####.l####.####.com/tdata_LRe817
tinychi####.q####.com.####.com/config/hzv9.conf

HTTP POST requests:

amdc####.m.ta####.com/amdc/mobileDispatch?appkey=####&deviceId=####&plat...
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/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.td-3
/data/data/####/.tdck
/data/data/####/1589801961606_3108
/data/data/####/1589801966298_3279
/data/data/####/1589801966773_3279
/data/data/####/1589801966851_3279
/data/data/####/1589801966895_3279
/data/data/####/1589801966961_3279
/data/data/####/1589801967441_3279
/data/data/####/1589801967788_3279
/data/data/####/1589801969318_3279
/data/data/####/1589801971929_3433
/data/data/####/1589801971954_3433
/data/data/####/1589801977598_3684
/data/data/####/1589801977617_3684
/data/data/####/1589801978304_3684
/data/data/####/1589802030468_3279
/data/data/####/1589802036697_3433
/data/data/####/1589802042450_3684
/data/data/####/1cbc5a14a29b
/data/data/####/337c4d48efd5c5779605f990a77d8c1d171ad84782c8acf....0.tmp
/data/data/####/40fe14cb1c9547a10a9e8efc59ecb80f2a5e4356ed55a8f....0.tmp
/data/data/####/5900dda3c9ca3a1e9453855a9db15aeaca9d055552dcb39....0.tmp
/data/data/####/6d7115b554bf84dbe8a3fdbf47d13ed405591e5f792cc44....0.tmp
/data/data/####/825efe70c6d79e7ab1def968ae194cdfd778187ceaac213....0.tmp
/data/data/####/8b3670ae60d70cd513e71709266f08d9789b64e3f0764f9....0.tmp
/data/data/####/90f1cbd82b8b8c3c605c1391065bc3565e8648704ec727b....0.tmp
/data/data/####/9f8e48970e30c7caf136e4c7a6ea31028bf0fcc858b5810....0.tmp
/data/data/####/ACCS_BINDumeng;5dcfa2834ca35742b2000462.xml
/data/data/####/ACCS_SDK.xml
/data/data/####/ACCS_SDK_CHANNEL.xml
/data/data/####/ACCS_SDK_CHANNEL.xml.bak
/data/data/####/AGOO_BIND.xml
/data/data/####/Agoo_AppStore.xml
/data/data/####/Alvin2.xml
/data/data/####/Archimedes_p1
/data/data/####/Archimedes_p2
/data/data/####/Archimedes_p3
/data/data/####/Archimedes_p4
/data/data/####/Archimedes_p5
/data/data/####/ContextData.xml
/data/data/####/MessageStore.db-journal
/data/data/####/MsgLogStore.db-journal
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/SP_AROUTER_CACHE.xml.bak
/data/data/####/TDCloudSettingsConfig4D043C7617C8413EBED0583619...ml.bak
/data/data/####/TDCloudSettingsConfig4D043C7617C8413EBED058361992CDED.xml
/data/data/####/TD_app_pefercen_profile.xml
/data/data/####/TD_app_pefercen_profile.xml.bak (deleted)
/data/data/####/TDpref_cloudcontrol1.xml
/data/data/####/TDpref_longtime.xml
/data/data/####/TDpref_longtime0.xml
/data/data/####/TDpref_longtime0.xml.bak
/data/data/####/TDpref_shorttime.xml
/data/data/####/TDpref_shorttime0.xml
/data/data/####/TalingDataConfig4D043C7617C8413EBED058361992CDED.xml
/data/data/####/UM_PROBE_DATA.xml
/data/data/####/accs.db-journal
/data/data/####/adc6eb41
/data/data/####/agoo.pid
/data/data/####/channel_umeng_common_config.xml
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.oat
/data/data/####/d0eca935022775715f9928b630a40acc27c07c1592158e9....0.tmp
/data/data/####/d58a5338989047bb9b4b67f859bfbdff
/data/data/####/dW1weF9pbnRlcm5hbF8xNTg5ODAxOTY1NDgy;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTg5ODAxOTYwOTI1;
/data/data/####/dW1weF9wdXNoX2xhdW5jaF8xNTg5ODAxOTc4Mjg3;
/data/data/####/ea8939d72aa84f73a02f3da84e42a5a3
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f8bfc0c17e94eba34fd96f852062a868bb6036e931c03b5....0.tmp
/data/data/####/ffd4712672ee4a37675aa94b790fdd0f249101b3f2fed2c....0.tmp
/data/data/####/fm_shared.xml
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/grab_meal_cache_data.xml
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_cache.xml.bak
/data/data/####/i==1.2.0&&1.1.0_1589801961029_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/iv
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/message_accs_db
/data/data/####/message_accs_db-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/pushservice_umeng_common_config.xml
/data/data/####/run.pid
/data/data/####/salt
/data/data/####/spUtils.xml
/data/data/####/t==8.1.6&&1.1.0_1589801961536_envelope.log
/data/data/####/tdata_Qna477
/data/data/####/tdata_Qna477.dex
/data/data/####/tdata_Qna477.dex.flock (deleted)
/data/data/####/tdata_Qna477.jar
/data/data/####/tdata_trp703
/data/data/####/tdata_trp703.dex.flock (deleted)
/data/data/####/tdata_trp703.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.dex
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/tdid.xml
/data/data/####/ua.db
/data/data/####/ua.db-journal
/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_message_state.xml
/data/media/####/Alvin2.xml
/data/media/####/ContextData.xml
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/com.zhangyutv.sns.bin
/data/media/####/com.zhangyutv.sns.db
/data/media/####/gkt-journal
/data/media/####/gktper
/data/media/####/tdata_Qna477
/data/media/####/tdata_trp703
/data/media/####/tdata_xEA084
/data/media/####/test.log
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/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 --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_Qna477.jar --oat-fd=94 --oat-location=/data/user/0/<Package>/files/tdata_Qna477.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_trp703.jar --oat-fd=94 --oat-location=/data/user/0/<Package>/files/tdata_trp703.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_xEA084.jar --oat-fd=88 --oat-location=/data/user/0/<Package>/files/tdata_xEA084.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
getprop
ls /
ls /sys/class/thermal
mount
ps
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-ECB-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.).

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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