Adware.Gexin.18679

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) ts.91####.com:80
TCP(HTTP/1.1) sdk-ope####.g####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) cdn-sdk####.g####.com.####.com:80
TCP(HTTP/1.1) c-h####.g####.com:80
TCP(HTTP/1.1) st####.91####.com:80
TCP(HTTP/1.1) sdk.o####.p####.####.com:80
TCP(TLS/1.0) 1####.217.17.142:443
TCP(TLS/1.0) 1####.217.168.234:443
TCP(TLS/1.0) 1####.217.19.202:443
TCP(TLS/1.0) lbs.net####.im:443
TCP(TLS/1.0) and####.google####.com:443
TCP(TLS/1.0) instant####.google####.com:443
TCP(TLS/1.0) dt.net####.im:443
TCP(TLS/1.0) wa####.127.net:443
TCP(TLS/1.2) 1####.217.168.234:443
TCP sdk.o####.t####.####.com:5224
TCP cm-1####.ig####.com:5225

DNS requests:

7j####.c####.z0.####.com
and####.b####.qq.com
and####.google####.com
c-h####.g####.com
cdn-sdk####.g####.com
cm-1####.ig####.com
cm-1####.ig####.com
dt.net####.im
instant####.google####.com
lbs.net####.im
sdk-ope####.g####.com
sdk.c####.ig####.com
sdk.o####.p####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.com
sdk.o####.t####.####.net
st####.91####.com
ts.91####.com
wa####.127.net

HTTP GET requests:

cdn-sdk####.g####.com.####.com/tdata_SIq813
cdn-sdk####.g####.com.####.com/tdata_agG322
cdn-sdk####.g####.com.####.com/tdata_xEA084
q####.c####.l####.####.com/config/hz-hzv6.conf
q####.c####.l####.####.com/tdata_LRe817
sdk.o####.p####.####.com/api/addr.htm
st####.91####.com/internet-drugstore/dist/config.json

HTTP POST requests:

and####.b####.qq.com/rqd/async?aid=####
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=####
ts.91####.com/nspm

File system changes:

Creates the following files:

/data/data/####/.jg.ic
/data/data/####/.jgck
/data/data/####/0.df5e94f9442f82e9acaa.js
/data/data/####/1.277538d3fbcb7fe937db.js
/data/data/####/10.db4e6c152cf18eb2cde5.js
/data/data/####/1004
/data/data/####/11.628f24d10fd2405b3faf.js
/data/data/####/12.5f5102153a8c0e621ad0.js
/data/data/####/13.45442b634dc0983bb31c.js
/data/data/####/14.43d86c4915db01c84ab0.js
/data/data/####/15.0788d248dc8e2a98eb04.js
/data/data/####/16.0ef83cfc2d2433f263ce.js
/data/data/####/17.22885aa7e6940398c858.js
/data/data/####/18.580fa1a03a46c3937e09.js
/data/data/####/19.f6b2110620d1826d99c8.js
/data/data/####/2.514623e899bca498fc75.js
/data/data/####/20.b51547020e0f3a9799c8.js
/data/data/####/21.721abe367fdc06a3eb86.js
/data/data/####/22.88200f5d4723b7ec7d51.js
/data/data/####/23.34bc9072e14727f4bb9f.js
/data/data/####/24.971afab4a099094ab833.js
/data/data/####/25.7bb9853a950ec108a18e.js
/data/data/####/26.126b952a387c19c27fcd.js
/data/data/####/27.37a789ec93b08c5952c8.js
/data/data/####/28.178b5fa79fe6bbaf8ff0.js
/data/data/####/29.cc8729c9c387825c53ee.js
/data/data/####/3.5834a2836e42cfc3d900.js
/data/data/####/30.6231c38c4f344f0fcb56.js
/data/data/####/31.e76621da7d49363302c3.js
/data/data/####/4.8cd52599194fea470014.js
/data/data/####/5.70627dbbee57686f866c.js
/data/data/####/6.1a9fbbca1e0adcd5ce07.js
/data/data/####/7.c7f499e2bf12409a136b.js
/data/data/####/8.6010fe418a60af6280ca.js
/data/data/####/9.ccda7f2bdf425ba73c02.js
/data/data/####/Demo.null.xml
/data/data/####/NIMSDK_Config_d890b045ee1f2fb1a65960efb665ff21.xml
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/Sailer.js
/data/data/####/Telescope.js
/data/data/####/app.3ff6fff1f16c0394b161.js
/data/data/####/app.9a259cf1aa88351b0fa34f24a59cb21d.css
/data/data/####/banner.f285176.png
/data/data/####/banner.png
/data/data/####/bugly_db_-journal
/data/data/####/chooseConsultType.fd86685.jpg
/data/data/####/classes.dex
/data/data/####/classes.dex;classes2.dex
/data/data/####/classes.dex;classes3.dex
/data/data/####/classes.oat
/data/data/####/com.kangmeng.prescription_preferences.xml
/data/data/####/crashrecord.xml
/data/data/####/fillPatientInfo1.fe40b79.jpg
/data/data/####/fillPatientInfo2.9bf3eb3.jpg
/data/data/####/fillPatientInfo3.e46e64b.jpg
/data/data/####/fillPatientInfo4.936199f.jpg
/data/data/####/flexible.js
/data/data/####/getui_sp.xml
/data/data/####/gkt-journal
/data/data/####/gx_sp.xml
/data/data/####/home.849a3f5.jpg
/data/data/####/icon_prescribe_date@3x.png
/data/data/####/icon_prescribe_overtime@3x.png
/data/data/####/icon_run.fcfa0ee.gif
/data/data/####/index.html
/data/data/####/init.pid
/data/data/####/init_c1.pid
/data/data/####/libjiagu.so
/data/data/####/local_crash_lock
/data/data/####/local_crash_lock (deleted)
/data/data/####/manifest.99f115351525b9d25d98.js
/data/data/####/medicinesStore1.21692c8.jpg
/data/data/####/medicinesStore2.eecbcd7.jpg
/data/data/####/name_bkg_black.png
/data/data/####/name_bkg_red.png
/data/data/####/native_record_lock
/data/data/####/native_record_lock (deleted)
/data/data/####/no_data.5ed79bf.png
/data/data/####/no_permission_bg.007b8e7.jpg
/data/data/####/nodata_1.9ffdb84.png
/data/data/####/normal_prescription.png
/data/data/####/prescription_db.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/####/recordnull.4ff8770.jpg
/data/data/####/rewrite.png
/data/data/####/run.pid
/data/data/####/seal.png
/data/data/####/security_info
/data/data/####/spdata.xml
/data/data/####/spdata.xml.bak
/data/data/####/tdata_SIq813
/data/data/####/tdata_SIq813.dex
/data/data/####/tdata_SIq813.dex.flock (deleted)
/data/data/####/tdata_SIq813.jar
/data/data/####/tdata_agG322
/data/data/####/tdata_agG322.dex
/data/data/####/tdata_agG322.dex.flock (deleted)
/data/data/####/tdata_agG322.jar
/data/data/####/tdata_xEA084
/data/data/####/tdata_xEA084.dex
/data/data/####/tdata_xEA084.dex.flock (deleted)
/data/data/####/tdata_xEA084.jar
/data/data/####/tryCatch.js
/data/data/####/vendor.5c6a263a5b8511c9c8db.js
/data/misc/####/primary.prof

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /proc/cpuinfo
/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_SIq813.jar --oat-fd=49 --oat-location=/data/user/0/<Package>/files/tdata_SIq813.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_agG322.jar --oat-fd=48 --oat-location=/data/user/0/<Package>/files/tdata_agG322.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=45 --oat-location=/data/user/0/<Package>/files/tdata_xEA084.dex --compiler-filter=speed
cat /sys/class/net/wlan0/address
getprop
mount
sh

Uses the following algorithms to encrypt data:

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

Uses the following algorithms to decrypt data:

AES-ECB-PKCS5Padding
AES-GCM-NoPadding

Accesses the ITelephony private interface.

Uses special library to hide executable bytecode.

Gets information about location.

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

Gets information about installed 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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