Adware.Gexin.20298

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) d####.cors####.cn:80
TCP(HTTP/1.1) d####.dushem####.com:80
TCP(HTTP/1.1) c.d####.mob.com:80
TCP(HTTP/1.1) api.s####.mob.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) ti####.c####.l####.####.com:80
TCP(HTTP/1.1) d####.d####.mob.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) rs.eas####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) cd####.dushem####.com:80
TCP(HTTP/1.1) 1####.57.52.60:80
TCP(HTTP/1.1) m.d####.mob.com:80
TCP(HTTP/1.1) k####.eas####.com:80
TCP(HTTP/1.1) tinychi####.q####.com.####.com:80
TCP(HTTP/1.1) loc.map.b####.com:80
TCP(HTTP/1.1) sf1-ttc####.ps####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) 47.1####.51.184:8080
TCP(HTTP/1.1) s####.dushem####.com:80
TCP(HTTP/1.1) 47.1####.90.181:8080
TCP(TLS/1.0) 1####.217.10.138:443
TCP(TLS/1.0) sf1-ttc####.ps####.com:443
TCP(TLS/1.0) 2####.58.211.110:443
TCP(TLS/1.0) sf3-ttc####.ps####.com:443
TCP(TLS/1.0) dig.b####.net:443
TCP(TLS/1.0) l####.cc:443
TCP(TLS/1.0) bds.sn####.com:443
TCP(TLS/1.0) to####.ctobsn####.com:443
TCP(TLS/1.0) digital####.google####.com:443
TCP(TLS/1.0) api.map.b####.com:443
TCP(TLS/1.0) p####.google####.com:443
TCP(TLS/1.0) dm.tou####.com:443
TCP(TLS/1.0) a1.eas####.com:443
TCP(TLS/1.2) 1####.217.10.138:443
TCP(TLS/1.2) 1####.217.19.195:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.g####.com:5224

DNS requests:

7j####.c####.z0.####.com
a####.exc.mob.com
a1.eas####.com
api.map.b####.com
api.s####.mob.com
bds.sn####.com
c-h####.g####.com
c.d####.mob.com
cd####.dushem####.com
cdn-sdk####.g####.com
cm-1####.g####.com
d####.cors####.cn
d####.d####.mob.com
d####.dushem####.com
dig.b####.net
digital####.google####.com
dm.tou####.com
ex####.sn####.com
is.sn####.com
k####.eas####.com
l####.cc
loc.map.b####.com
m####.go####.com
m.d####.mob.com
p####.google####.com
rs.eas####.com
s####.dushem####.com
s####.sn####.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
sf1-ttc####.ps####.com
sf3-ttc####.ps####.com
to####.ctobsn####.com

HTTP GET requests:

cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/ad/list_place_ads/1?sy...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/common/check_version/1...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/common/get_validate_ho...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/common/list_app_dictio...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/common/list_filter_wor...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/common/list_validate_t...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/movie/get_douban_analy...
cd####.dushem####.com/dsmovieapi/e78d375e67fa436f/movie_sheet/get_newest...
cdn-sdk####.g####.com.####.com/tdata_cpZ817
cdn-sdk####.g####.com.####.com/tdata_lbt428
cdn-sdk####.g####.com.####.com/tdata_ycm942
d####.cors####.cn/getAd?os=####&h=####&sdkv=####&source=####&version=###...
d####.cors####.cn/init?os=####&brand=####&osv=####&car=####&net=####&sdk...
d####.cors####.cn/show?os=####&h=####&sdkv=####&source=####&version=####...
k####.eas####.com/v1/visitors/tenants/41744
m.d####.mob.com/cconf?appkey=####&plat=####&apppkg=####&appver=####&netw...
rs.eas####.com/easemob/server.json?sdk_version=####&app_key=####&file_ve...
sdk.o####.p####.####.com/api/addr.htm
sf1-ttc####.ps####.com/img/ad.union.api/488b3e80866bff07faa8a7612aef70b9...
sf1-ttc####.ps####.com/img/ad.union.api/f62ac30da370136f9cb89fb84b82751c...
sf1-ttc####.ps####.com/img/web.business.image/202004085d0da84c8a344d5045...
ti####.c####.l####.####.com/tdata_RTc910
tinychi####.q####.com.####.com/config/hzv9.conf

HTTP POST requests:

a####.exc.mob.com/errconf
api.s####.mob.com/conf5
api.s####.mob.com/conn
api.s####.mob.com/data2
api.s####.mob.com/log4
api.s####.mob.com/snsconf
c-h####.g####.com/api.php?format=####&t=####
c.d####.mob.com/cdata
d####.d####.mob.com/dinfo
d####.d####.mob.com/dsign
d####.dushem####.com/dsmovieapi/e78d375e67fa436f/account/report_push_tok...
d####.dushem####.com/dsmovieapi/e78d375e67fa436f/activity/new_user_gift/1
d####.dushem####.com/dsmovieapi/e78d375e67fa436f/user_relation/get_unrea...
loc.map.b####.com/sdk.php
s####.dushem####.com/srapi/0c2641bbe60b6d2f/statistics/stat_log/1
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/####/-1415860144-1332186144
/data/data/####/-14183827862020598027
/data/data/####/.bak
/data/data/####/.ccLock
/data/data/####/.ccc
/data/data/####/.globalLock
/data/data/####/.jg.ic
/data/data/####/.jg.store.report_cf
/data/data/####/.jgck
/data/data/####/.mrecord
/data/data/####/.mrlock
/data/data/####/.txt
/data/data/####/0567348b
/data/data/####/0de4876671d7563f60edf9cc899fec07
/data/data/####/0de4876671d7563f60edf9cc899fec07.tmp
/data/data/####/143970178-1509997924
/data/data/####/8fd2331efcdf5219_0
/data/data/####/95607d6fbf656ea03b2a61ea43734cad
/data/data/####/Cookies-journal
/data/data/####/LKME_Server_Request_Queue.xml
/data/data/####/ad_sp.xml
/data/data/####/authStatus_com.heijiaoxiang.xianghei;remote.xml
/data/data/####/bc.xml
/data/data/####/bclist.txt
/data/data/####/bd_embed_tea_agent.db-journal
/data/data/####/bytedance_downloader.db-journal
/data/data/####/cc.db
/data/data/####/cid
/data/data/####/classes.oat
/data/data/####/com.heijiaoxiang.xianghei_preferences.xml
/data/data/####/common_sp_0.xml
/data/data/####/config.json
/data/data/####/dc8923cdea4fac90_0
/data/data/####/embed_applog_stats.xml
/data/data/####/embed_last_sp_session.xml
/data/data/####/firll.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/httpclient-req-1577597856.cache
/data/data/####/httpclient-req-1577597856.cache (deleted)
/data/data/####/index
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/linkedme_referral_shared_pref.xml
/data/data/####/linkedme_referral_shared_pref.xml.bak
/data/data/####/mac.xml
/data/data/####/mob_commons_1.xml
/data/data/####/mob_sdk_exception_1.xml
/data/data/####/movie0.db-journal
/data/data/####/npth.xml
/data/data/####/npth_log.db-journal
/data/data/####/open.txt
/data/data/####/params.txt
/data/data/####/proc_auxv
/data/data/####/public_sp.xml
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/share_sdk_1.xml
/data/data/####/share_sdk_1.xml.bak
/data/data/####/sharesdk.db-journal
/data/data/####/snssdk_openudid.xml
/data/data/####/sp_multi_ttadnet_config.xml
/data/data/####/sp_push_time.xml
/data/data/####/ss_app_config.xml
/data/data/####/tdata_cpZ817
/data/data/####/tdata_cpZ817.dex
/data/data/####/tdata_cpZ817.dex.flock (deleted)
/data/data/####/tdata_cpZ817.jar
/data/data/####/tdata_lbt428
/data/data/####/tdata_lbt428.dex.flock (deleted)
/data/data/####/tdata_lbt428.jar
/data/data/####/tdata_ycm942
/data/data/####/tdata_ycm942.dex
/data/data/####/tdata_ycm942.dex.flock (deleted)
/data/data/####/tdata_ycm942.jar
/data/data/####/the-real-index
/data/data/####/tt_dns_settings.xml
/data/data/####/tt_materialMeta.xml
/data/data/####/tt_sdk_settings.xml
/data/data/####/tt_sp_app_list.xml
/data/data/####/tt_sp_app_list.xml.bak
/data/data/####/tt_splash.xml
/data/data/####/ttnet_tnc_config.xml
/data/data/####/ttopenadsdk.xml
/data/data/####/ttopensdk.db-journal
/data/media/####/.3deaedc28469674418c57af6b7cc832b
/data/media/####/.al
/data/media/####/.cuid2
/data/media/####/.dh-journal
/data/media/####/.dhlock
/data/media/####/.dic_lock
/data/media/####/.dk
/data/media/####/.duid
/data/media/####/.lm_device_id
/data/media/####/.nulal
/data/media/####/.nulplt
/data/media/####/.pkg_lock
/data/media/####/.plst
/data/media/####/.rc_lock
/data/media/####/.usLock
/data/media/####/4d29639a37e58723b0741a323c76858e.tmp
/data/media/####/app.db
/data/media/####/com.getui.sdk.deviceId.db
/data/media/####/com.heijiaoxiang.xianghei.bin
/data/media/####/com.heijiaoxiang.xianghei.db
/data/media/####/com.igexin.sdk.deviceId.db
/data/media/####/da48d872719fbc49bcfb42e7596c9f0c.tmp
/data/media/####/gkt-journal
/data/media/####/gktper (deleted)
/data/media/####/tdata_cpZ817
/data/media/####/tdata_lbt428
/data/media/####/tdata_ycm942
/data/media/####/temp_pkg_info.json
/data/media/####/test.log (deleted)
/data/media/####/tt_splash_image_cache
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/data/user/0/<Package>/files/cid
/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_cpZ817.jar --oat-fd=41 --oat-location=/data/user/0/<Package>/files/tdata_cpZ817.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_lbt428.jar --oat-fd=50 --oat-location=/data/user/0/<Package>/files/tdata_lbt428.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_ycm942.jar --oat-fd=50 --oat-location=/data/user/0/<Package>/files/tdata_ycm942.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
chmod 777 /data/user/0/<Package>/cache/Download
chmod 777 /data/user/0/<Package>/files/cid
getprop ro.build.version.emui
getprop ro.letv.release.version
getprop ro.vivo.os.build.display.id
grep -E -v root|shell|system
sh
top -d 0 -n 1

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES
AES-ECB-PKCS5Padding
DESede

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

Gets information about network.

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

Gets information about installed apps.

Gets information about running apps.

Displays its own windows over windows of other apps.

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