Adware.Gexin.19216

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) c-h####.g####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) phon####.x####.d####.com:80
TCP(HTTP/1.1) a####.exc.mob.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) dot.wts.xi####.cn:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(HTTP/1.1) a####.scnj####.com:80
TCP(TLS/1.0) dualsta####.wagbr####.ali####.####.com:443
TCP(TLS/1.0) 1####.217.17.138:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) dot.wts.xi####.cn:443
TCP(TLS/1.0) 1####.217.168.202:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) 1####.217.20.78:443
TCP(TLS/1.2) 1####.217.17.138:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5226

DNS requests:

a####.exc.mob.com
a####.scnj####.com
and####.google####.com
app.scnj####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
dot.wts.xi####.cn
instant####.google####.com
phon####.x####.d####.####.8
phon####.x####.d####.com
plb####.u####.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
u####.u####.com

HTTP GET requests:

a####.scnj####.com/201808/11/3b905f7f-360c-44d0-9d0a-c8a32dfe11ae.png
a####.scnj####.com/201808/11/b926ecc4-50bf-4f28-a339-dee402f4494c.png
a####.scnj####.com/201808/11/d45ce03e-597b-43f5-ab30-be32be0461f6.png
a####.scnj####.com/app_if/MobileApp?appKey=####&channel=####&versionCode...
a####.scnj####.com/app_if/getArticles?columnId=####&version=####&lastFil...
a####.scnj####.com/app_if/getColumns?siteId=####&parentColumnId=####&ver...
a####.scnj####.com/app_if/getConfig?appID=####
a####.scnj####.com/app_if/redDot?siteID=####
a####.scnj####.com/pad/2019-12/25/7f103e86-f0be-44ad-b04d-5aad7e860910.jpg
a####.scnj####.com/pad/2019-12/25/aab1322d-ef45-4915-a9cb-3535e0542de5e1...
a####.scnj####.com/pad/2019-12/26/853ac189-a5fe-4822-bcbe-203c46c9f773.jpg
a####.scnj####.com/pad/2019-12/26/8a01b843-fccb-4191-9883-db509898c9e7.jpg
a####.scnj####.com/pad/2019-12/26/9caff997-2fc7-4ff5-849b-62c5b2fdb3be.jpg
a####.scnj####.com/pad/2019-12/26/ac8db2f7-9ffb-4069-868c-63dfee730058.jpg
a####.scnj####.com/pad/2019-12/26/c373a28c-2f86-4260-9a2f-3ed74dec60a6.jpg
a####.scnj####.com/pad/2019-12/26/e3dd0b80-b04e-405f-9a24-b1e54c3cc4d2.jpg
a####.scnj####.com/xy3/pp.scnjnews/bde94f1a-ef4a-444e-b327-62c12c86c57b....
cdn-sdk####.g####.com.####.com/tdata_CoH340
cdn-sdk####.g####.com.####.com/tdata_JmH262
cdn-sdk####.g####.com.####.com/tdata_pKX830
phon####.x####.d####.com/weather/getWeatherByAreaID?areaId=####
q####.c####.l####.####.com/config/hz-hzv6.conf
sdk.o####.p####.####.com/api/addr.htm

HTTP POST requests:

a####.exc.mob.com/errconf
a####.scnj####.com/app_if/event
c-h####.g####.com/api.php?format=####&t=####
dot.wts.xi####.cn/logserver/submit?type=####&uid=####&pkg=####
sdk-ope####.g####.com/api.php?format=####&t=####
sdk.o####.p####.####.com/api.php?format=####&t=####&d=####&k=####

File system changes:

Creates the following files:

/data/data/####/-1016676507
/data/data/####/-1410027454
/data/data/####/-174208701
/data/data/####/-1777178424
/data/data/####/-1881891854
/data/data/####/-211977331
/data/data/####/-230946424
/data/data/####/-809395926
/data/data/####/-934889704
/data/data/####/.artc_lock
/data/data/####/.bs_lock
/data/data/####/.cz_lock
/data/data/####/.dic_lock
/data/data/####/.du_lock
/data/data/####/.duid
/data/data/####/.globalLock
/data/data/####/.gm_lock
/data/data/####/.im_lock
/data/data/####/.imprint
/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/.lesd_lock
/data/data/####/.lock
/data/data/####/.pkg_lock
/data/data/####/.pkgs_lock
/data/data/####/.slw
/data/data/####/.ss_lock
/data/data/####/.vpl_lock
/data/data/####/.wkl
/data/data/####/1030950414
/data/data/####/1183449707
/data/data/####/1221409398
/data/data/####/1233994412
/data/data/####/15d65ced90eb1f005fa8c621751e60e749429261bdfd4f0....0.tmp
/data/data/####/1627345359
/data/data/####/1887957140
/data/data/####/1c758e0eca440acfdafb90196f278fe92e30dd1bc4b6acf....0.tmp
/data/data/####/33a807b2976b3f9f3ff2fd8b46cbe6c03b6c3d412c01a61....0.tmp
/data/data/####/397719624
/data/data/####/3a3514d73d389568194c38e9ed4e1a8a334f95793730b16....0.tmp
/data/data/####/4368677
/data/data/####/457b67377e0bafbe8fe29c0c3420721647c7d106242e9f0....0.tmp
/data/data/####/47fdffad0d68804b3cc1963730ae516d4b2b7ab0b525632....0.tmp
/data/data/####/573748195
/data/data/####/60494492fdf5bf5e86f055c6b1090f3e29048a217169147....0.tmp
/data/data/####/75a02d8ec06cc281c9ba0ed084e24e50d39bab4e3246299....0.tmp
/data/data/####/79bdf93e9c42647c665211d5c9286c3c3ec01a3b9e66967....0.tmp
/data/data/####/7f8106a0554b2a0eb8bb6ce15cd5211bc455860ed72d38e....0.tmp
/data/data/####/875795749
/data/data/####/Alvin2.xml
/data/data/####/ContextData.xml
/data/data/####/ThrowalbeLog.db-journal
/data/data/####/WebViewChromiumPrefs.xml
/data/data/####/_tmp_PRIORITIZED_3163_1577365337028
/data/data/####/_tmp_PRIORITIZED_3291_1577365342435
/data/data/####/_tmp_PRIORITIZED_3291_1577365343761
/data/data/####/_tmp_PRIORITIZED_3291_1577365343842
/data/data/####/_tmp_PRIORITIZED_3467_1577365348155
/data/data/####/_tmp_PRIORITIZED_3467_1577365349441
/data/data/####/_tmp_PRIORITIZED_3467_1577365349474
/data/data/####/_tmp_PRIORITIZED_3676_1577365354074
/data/data/####/_tmp_PRIORITIZED_3676_1577365355188
/data/data/####/_tmp_PRIORITIZED_3676_1577365355203
/data/data/####/_tmp_PRIORITIZED_3814_1577365359130
/data/data/####/_tmp_PRIORITIZED_3814_1577365360414
/data/data/####/_tmp_PRIORITIZED_3814_1577365360444
/data/data/####/_tmp_PRIORITIZED_3814_1577365364410
/data/data/####/_tmp_PRIORITIZED_3814_1577365364632
/data/data/####/_tmp_PRIORITIZED_4024_1577365371185
/data/data/####/_tmp_PRIORITIZED_4024_1577365372338
/data/data/####/_tmp_PRIORITIZED_4024_1577365372386
/data/data/####/_tmp_PRIORITIZED_4024_1577365378264
/data/data/####/_tmp_PRIORITIZED_4024_1577365378570
/data/data/####/_tmp_PRIORITIZED_4189_1577365385555
/data/data/####/_tmp_PRIORITIZED_4189_1577365386644
/data/data/####/_tmp_PRIORITIZED_4189_1577365386665
/data/data/####/_tmp_PRIORITIZED_4307_1577365395411
/data/data/####/a==7.5.3&&5.1.0_1577365361674_envelope.log
/data/data/####/b558fc53a054618c14b9cc7bcb30efaa61beb8b677171cf....0.tmp
/data/data/####/bddcc405297ab1e74065290f9cab431ec9269df91c9557d....0.tmp
/data/data/####/bullet_PRIORITIZED_3814_1577365364410
/data/data/####/bullet_PRIORITIZED_4024_1577365378264
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/columnId.xml
/data/data/####/com.founder.neijiang_preferences.xml
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzQ0MDQ3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzQ5NTMw;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzU1Mjk4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzYwNTM3;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzcyNjc4;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1Mzg2ODA5;
/data/data/####/dW1weF9pbnRlcm5hbF8xNTc3MzY1MzkzMTY2;
/data/data/####/dbdcdf1d125a6e8923b50168651db258d613e9412346710....0.tmp
/data/data/####/exchangeIdentity.json
/data/data/####/exid.dat
/data/data/####/f569cdd16e1b5d4f94befddf7bfd61bf7400bcfee73f989....0.tmp
/data/data/####/fontSytleMsg.xml
/data/data/####/getui_sp.xml
/data/data/####/gx_sp.xml
/data/data/####/i==1.2.0&&5.1.0_1577365344147_envelope.log
/data/data/####/i==1.2.0&&5.1.0_1577365372661_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/####/metrics_guid
/data/data/####/mob_commons_1
/data/data/####/mob_sdk_exception_1
/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/####/reader.db-journal
/data/data/####/run.pid
/data/data/####/subscribeColumnId.xml
/data/data/####/tdata_CoH340
/data/data/####/tdata_CoH340.dex
/data/data/####/tdata_CoH340.dex.flock (deleted)
/data/data/####/tdata_CoH340.jar
/data/data/####/tdata_JmH262.dex
/data/data/####/tdata_JmH262.dex.flock (deleted)
/data/data/####/tdata_JmH262.jar
/data/data/####/tdata_pKX830.dex
/data/data/####/tdata_pKX830.dex.flock (deleted)
/data/data/####/tdata_pKX830.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_general_config.xml.bak
/data/data/####/umeng_it.cache
/data/data/####/weatherSp.xml
/data/data/####/zy_unique_id.bin
/data/data/####/zyanalytics.xml
/data/data/####/zyanalytics.xml.bak
/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_CoH340.jar --oat-fd=74 --oat-location=/data/user/0/<Package>/files/tdata_CoH340.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_JmH262.jar --oat-fd=51 --oat-location=/data/user/0/<Package>/files/tdata_JmH262.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_pKX830.jar --oat-fd=72 --oat-location=/data/user/0/<Package>/files/tdata_pKX830.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
ls /sys/class/thermal
mount
sh

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-CBC-PKCS7Padding
AES-CFB-NoPadding
AES-ECB-PKCS5Padding
AES-ECB-PKCS7Padding
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 location.

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.

Technologies

Terminology

Training and education

Myths

Technical information

Curing recommendations

Free trial