Adware.Gexin.22363

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) and####.b####.qq.com:80
TCP(HTTP/1.1) pin####.qq.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) 6d3e1d8####.qcloud####.com:80
TCP(HTTP/1.1) beacon####.aliy####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) pi####.qq.com:80
TCP(HTTP/1.1) 2####.107.1.1:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(HTTP/1.1) norma-e####.m####.com:80
TCP(HTTP/1.1) 1####.254.116.116:80
TCP(HTTP/1.1) 2####.107.1.65:80
TCP(HTTP/1.1) vi####.yunjigl####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) 2####.107.1.97:443
TCP(TLS/1.0) and####.cli####.go####.com:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 6d3e1d8####.qcloud####.com:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP(TLS/1.2) 1####.250.179.170:443
TCP(TLS/1.2) and####.cli####.go####.com:443
TCP(TLS/1.2) 1####.250.179.202:443
TCP cm-1####.g####.com:5224
TCP 10rd####.qini####.com:443
TCP st####.yunjigl####.com.####.com:443
TCP sdk.o####.t####.####.net:5224

DNS requests:

a####.man.aliy####.com
and####.b####.qq.com
and####.cli####.go####.com
and####.google####.com
android####.go####.com
beacon####.aliy####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.g####.com
cm-1####.g####.com
d####.yunjigl####.com
instant####.google####.com
m####.go####.com
norma-e####.m####.com
pi####.qq.com
pin####.qq.com
sc.yunjigl####.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
st####.yunjigl####.com
st####.yunjiwe####.com
ta.yunjigl####.com
vi####.yunjigl####.com

HTTP GET requests:

6d3e1d8####.qcloud####.com/config?appid=####
6d3e1d8####.qcloud####.com:443/yunjiscapp/app/getDiscoverListV1.json?pag...
cdn-sdk####.g####.com.####.com/tdata_XYq933
cdn-sdk####.g####.com.####.com/tdata_pKN446
cdn-sdk####.g####.com.####.com/tdata_trp703
cdn-sdk####.g####.com.####.com/tdata_xEA084
d####.c####.l####.####.com/config/hzv9.conf
norma-e####.m####.com/android/exchange/getpublickey.do
sdk-ope####.g####.com/api/addr.htm
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/buyervip/startPage.json?...
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/getTokenByMobileAndSmsCo...
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/global/queryByActivityBo...
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/global/queryByUrlPath.js...
vi####.yunjigl####.com/yunjiapp4buyer/app4buyer/queryExistToBeExpiredCou...

HTTP POST requests:

6d3e1d8####.qcloud####.com:443/yunjidata/data/reportByJsonString.json
adash####.man.aliy####.com/man/api?ak=####&s=####
and####.b####.qq.com/rqd/async?aid=####
beacon####.aliy####.com/beacon/fetch/config/byappkey
c-h####.g####.com/api.php?format=####&t=####
norma-e####.m####.com/push/android/external/add.do
pi####.qq.com/mstat/report/?index=####
pin####.qq.com/request
sdk-ope####.g####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jg.store.report_cf
/data/data/####/0.48.4.bak
/data/data/####/1002
/data/data/####/1004
/data/data/####/20220118012975.v1.crash
/data/data/####/20220118013078.v1.crash
/data/data/####/20220118013079.v1.crash
/data/data/####/20220118013099.v1.crash
/data/data/####/859658193
/data/data/####/91d2d9b6
/data/data/####/Alvin2.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/BuglySdkInfos.xml
/data/data/####/ContextData.xml
/data/data/####/DeviceInfo.xml
/data/data/####/LicenceCheck.lastModified.xml
/data/data/####/UP_app_pefercen_profile.xml
/data/data/####/UPpref_longtime.xml
/data/data/####/UPpref_shorttime.xml
/data/data/####/UPtcagent.db
/data/data/####/UPtcagent.db-journal
/data/data/####/UTCommon.xml
/data/data/####/_net_data_
/data/data/####/bugly_db_-journal
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.dex;classes4.dex
/data/data/####/classes.dex;classes5.dex
/data/data/####/classes.dex;classes6.dex
/data/data/####/classes.dex;classes7.dex
/data/data/####/com.thinkingdata.analyse.xml
/data/data/####/com.x.y.1.xml
/data/data/####/com.x.y.2.xml
/data/data/####/com.yunjibuyer.yunji-journal
/data/data/####/com.yunjibuyer.yunji.BETA_VALUES.xml
/data/data/####/com.yunjibuyer.yunji_preferences.xml
/data/data/####/com.yunjibuyer.yunji_preferences.xml.bak (deleted)
/data/data/####/com_alibaba_aliyun_crash_defend_sdk_info
/data/data/####/crashrecord.xml
/data/data/####/getui_sp.xml
/data/data/####/getui_sp.xml.bak
/data/data/####/gkt-journal
/data/data/####/httpdns_config_cache.xml
/data/data/####/httpdns_config_enable.xml
/data/data/####/imsdk_20220118.log
/data/data/####/index.android.bundle
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/native_record_lock
/data/data/####/pri_tencent_analysis.db_com.yunjibuyer.yunji-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushg.db-journal
/data/data/####/pushgdc.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/record.xml
/data/data/####/record.xml.bak
/data/data/####/run.pid
/data/data/####/security_info
/data/data/####/td.lock
/data/data/####/tdata_XYq933
/data/data/####/tdata_XYq933.dex.flock (deleted)
/data/data/####/tdata_XYq933.jar
/data/data/####/tdata_pKN446
/data/data/####/tdata_pKN446.dex
/data/data/####/tdata_pKN446.dex.flock (deleted)
/data/data/####/tdata_pKN446.jar
/data/data/####/tdata_trp703
/data/data/####/tdata_trp703.dex
/data/data/####/tdata_trp703.dex.flock (deleted)
/data/data/####/tdata_trp703.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.jar
/data/data/####/tdid.xml
/data/data/####/tencent_analysis.db_com.yunjibuyer.yunji-journal
/data/data/####/ut.db
/data/data/####/ut.db-journal
/data/data/####/yj_bundle.zip
/data/data/####/yunji_config.xml.xml
/data/data/####/yunji_d_cache_config.xml
/data/data/####/yunji_found.db-journal
/data/data/####/yunjibuyer_config.xml.xml
/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
getprop
logcat -c
logcat -d -v threadtime
logcat -d -v time

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding
RSA-NONE-OAEPWithSHA1AndMGF1Padding
RSA-NONE-PKCS1PADDING

Uses the following algorithms to decrypt data:

AES-CBC-PKCS7Padding
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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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