Adware.Gexin.21918

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) 2####.107.1.1:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) beacon####.aliy####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) al####.u####.com:80
TCP(HTTP/1.1) d####.c####.l####.####.com:80
TCP(HTTP/1.1) adash####.man.aliy####.com:80
TCP(TLS/1.0) chinaw####.c####.l####.####.com:443
TCP(TLS/1.0) cl####.wzy####.com:443
TCP(TLS/1.0) al####.u####.com:443
TCP(TLS/1.0) www.gst####.com:443
TCP(TLS/1.0) 1####.250.179.170:443
TCP(TLS/1.0) 2####.107.1.100:443
TCP(TLS/1.0) android####.go####.com:443
TCP(TLS/1.0) bdtin####.c####.l####.####.com:443
TCP(TLS/1.0) 1####.251.36.42:443
TCP(TLS/1.0) aliyun-####.al####.com:443
TCP(TLS/1.2) 1####.250.179.138:443
TCP(TLS/1.2) 2####.107.1.100:443
TCP(TLS/1.2) 1####.250.179.170:443
TCP(TLS/1.2) 1####.251.36.42:443
TCP(TLS/1.2) 1####.250.179.174:443
TCP(TLS/1.2) 2####.58.208.99:443
TCP sdk.o####.t####.####.com:5224
TCP cm-10####.g####.com:5225
TCP cl####.wzy####.com:443

DNS requests:

a####.man.aliy####.com
a####.u####.com
android####.go####.com
beacon####.aliy####.com
c-h####.g####.com
cdn-sdk####.g####.com
cl####.wzy####.com
cm-1####.g####.com
cm-10####.g####.com
f####.thc####.com
m####.go####.com
mpush####.al####.com
qiu####.wztj####.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
sp####.wztj####.com
u####.u####.com
www.gst####.com

HTTP GET requests:

bdtin####.c####.l####.####.com:443/20210607055917610_W_400_H_400.png
bdtin####.c####.l####.####.com:443/data/20210622162430334819.png
bdtin####.c####.l####.####.com:443/data/20210622162431910892.png
bdtin####.c####.l####.####.com:443/data/20210622162432783566.png
bdtin####.c####.l####.####.com:443/data/20210622162440660465.png
bdtin####.c####.l####.####.com:443/headimage_18061700287024_5A2DC190-6C6...
bdtin####.c####.l####.####.com:443/headimage_18101700540380_202106062039...
bdtin####.c####.l####.####.com:443/headimage_18102500540418_E8599A3D-D89...
bdtin####.c####.l####.####.com:443/headimage_19030800544134_2E41D6B3-9D9...
bdtin####.c####.l####.####.com:443/headimage_19042300549139_202108171413...
bdtin####.c####.l####.####.com:443/headimage_19092100572269_202110271415...
bdtin####.c####.l####.####.com:443/headimage_19102000576042_2DB171EC-7B9...
bdtin####.c####.l####.####.com:443/headimage_20101100620366_202106061947...
bdtin####.c####.l####.####.com:443/headimage_20121600631345_3663548D-4E0...
bdtin####.c####.l####.####.com:443/headimage_21042200650573_8E455ABB-A95...
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
chinaw####.c####.l####.####.com:443/2111091443085866083.jpg
chinaw####.c####.l####.####.com:443/2112211421542489296.png
chinaw####.c####.l####.####.com:443/2112261106105855311.png
d####.c####.l####.####.com/config/hzv9.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

adash####.man.aliy####.com/man/api?ak=####&s=####
al####.u####.com/app_logs
al####.u####.com:443/unify_logs
aliyun-####.al####.com:443/v2.0/a/audid/req/
beacon####.aliy####.com/beacon/fetch/config/byappkey
c-h####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####

File system changes:

Creates the following files:

/data/data/####/.cl
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jg.store.report_cf
/data/data/####/08f78d93f29281f4902d31d753ca588686f7a5b013c9418....0.tmp
/data/data/####/0e393a4030b55b9d4b0634e27a46891f8d4a962d190ce93...ada0.0
/data/data/####/1cdaeda3f01b00cf9b85b20517ac45847d6218563e12232...0f71.0
/data/data/####/2ca27919743a4133a4a9c96099ead6e1a3399a876657d46....0.tmp
/data/data/####/4377910b8ba6c8d9fca089ade75e97184d5cb2162ddfeb5....0.tmp
/data/data/####/59fadc4ec9137ce780f9f8f6ae4a23393df64d3fbab7df9....0.tmp
/data/data/####/5cc68b16ba8da0e5f035a49937392d0583cbf1b8dfcc2d1...5c09.0
/data/data/####/659e0c18de681291c4d397e2af27842b42e2910707a8779...7cfd.0
/data/data/####/6da55333f341c902450ecafd82183940192476a96eefdec...ddd6.0
/data/data/####/75d06307a0725100cc37b09dd9f0f266dfa55a933ef028d....0.tmp
/data/data/####/7e176e16355703a3f1e63560e1b49627a51205c2625e274...e94a.0
/data/data/####/8342a95e3b9dba31342f8662606988911f479de0be976cd...2b3c.0
/data/data/####/87bb2ac6c8f8c379f9bf731d3c6e4c0e92b18ecee0c1018...8129.0
/data/data/####/88e317e69d7ab1bb1adc98c1f5e01dba6858bbcacecb321....0.tmp
/data/data/####/8e84a91d163f4fa61d4330be8b549b242ba89e0c400a866....0.tmp
/data/data/####/9890ed8e5b56025f1bd46d4e7e7b0d272e545deb3a13078...f81c.0
/data/data/####/9983c160aa044115
/data/data/####/Alvin2.xml
/data/data/####/UTCommon.xml
/data/data/####/a325712a39bd320a
/data/data/####/ab4e8ec6b1e207ee768e46e733c1d0d193a3a4b148295b3....0.tmp
/data/data/####/b934b4d6b1d08f5af266210a0b47decbc94f9aa1995fe81....0.tmp
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/cc2070ca166b3efc799dccb32ea3df3bba553dda9b2eb32...4828.0
/data/data/####/cc9e93121c86585d9c0972addc5cc1e82815ce27213a8ab....0.tmp
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/d03d124501d6fec5fd57abf1302ef692a0324f409a55eda....0.tmp
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQwNjc1NjA3MTQ1;
/data/data/####/dW1weF9pbnRlcm5hbF8xNjQwNjc1NjE1NTk2;
/data/data/####/ebf54e0360cd8b30e9185a8faf41e9bd40f3617ecec60be....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/httpdns_config_cache.xml
/data/data/####/i==1.2.0&&3.2.0_1640675607646_envelope.log
/data/data/####/info.xml
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/journal.tmp
/data/data/####/libjiagu.so
/data/data/####/popup_model_db
/data/data/####/popup_model_db-journal
/data/data/####/proc_auxv
/data/data/####/push.pid
/data/data/####/pushext.db-journal
/data/data/####/pushg.db-journal
/data/data/####/pushgdc.db-journal
/data/data/####/pushsdk.db-journal
/data/data/####/run.pid
/data/data/####/tdata_XYq933
/data/data/####/tdata_XYq933.dex
/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.dex
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/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/####/ut.db-journal
/data/data/####/zywl_qiu_liao.xml

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
cat /sys/class/net/wlan0/address
ls /
ls /sys/class/thermal

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

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.

Displays its own windows over windows of other apps.

Requests the system alert window permission.

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