Adware.Gexin.11538

Technical information

Malicious functions:

Executes code of the following detected threats:

Adware.Gexin.2.origin

Network activity:

Connects to:

UDP(DNS) <Google DNS>
TCP(HTTP/1.1) c####.g####.com:80
TCP(HTTP/1.1) ap####.da####.com:80
TCP(HTTP/1.1) b####.g####.com:80
TCP(HTTP/1.1) aexcep####.b####.qq.com:8012
TCP(HTTP/1.1) t####.c####.q####.####.com:80
TCP(HTTP/1.1) gs.g####.com:80
TCP(HTTP/1.1) and####.b####.qq.com:80
TCP(HTTP/1.1) ap####.g####.com:80
TCP(TLS/1.0) api.growi####.com:443
TCP(TLS/1.0) suyun-r####.da####.com:443
TCP(TLS/1.0) an####.58.com:443
TCP(TLS/1.0) res####.a####.com:443
TCP(TLS/1.0) t.growi####.com:443

DNS requests:

7j####.c####.z0.####.com
aexcep####.b####.qq.com
an####.58.com
and####.b####.qq.com
ap####.da####.com
ap####.g####.com
api.growi####.com
b####.g####.com
b####.g####.com
c####.g####.com
c####.g####.com
c####.g####.com
gs.g####.com
res####.a####.com
suyun-g####.da####.com
suyun-r####.da####.com
t.growi####.com

HTTP GET requests:

t####.c####.q####.####.com/tdata_NtE098

HTTP POST requests:

aexcep####.b####.qq.com:8012/rqd/async
and####.b####.qq.com/rqd/async
and####.b####.qq.com/rqd/async?aid=####
ap####.da####.com/apk/rt/
ap####.da####.com/apk/uplog/
ap####.g####.com/uploadIdBinding
b####.g####.com/api.php?format=####&t=####
c####.g####.com/api.php?format=####&t=####
gs.g####.com/encryption/key/fetch
gs.g####.com/geshu/sdkStatistics/bd
gs.g####.com/geshu/sdkStatistics/ubi

File system changes:

Creates the following files:

/data/data/####/.mmap2
/data/data/####/1002
/data/data/####/1004
/data/data/####/1d2b904cbeadfb72ed9546111a231c85.0
/data/data/####/AndroidSuYunUtil.xml
/data/data/####/BUGLY_COMMON_VALUES.xml
/data/data/####/SP_AROUTER_CACHE.xml
/data/data/####/bugly_db_-journal
/data/data/####/bugly_db_legu-journal
/data/data/####/cc.db
/data/data/####/cc.db-journal
/data/data/####/com.wuba.huoyun.BETA_VALUES.xml
/data/data/####/crashrecord.xml
/data/data/####/deviceids.xml
/data/data/####/encrypted-user-db-journal
/data/data/####/gin.db-journal
/data/data/####/growing.db
/data/data/####/growing.db-journal
/data/data/####/growing_ecsid.xml
/data/data/####/growing_persist_data.xml
/data/data/####/growing_profile.xml
/data/data/####/growingio_diagnose.xml
/data/data/####/gtc.db-journal
/data/data/####/hmdb
/data/data/####/hmdb-journal
/data/data/####/ias.db-journal
/data/data/####/ias_sp.xml
/data/data/####/journal
/data/data/####/journal.tmp
/data/data/####/k.store
/data/data/####/libnfix.so
/data/data/####/libshella-2.9.1.2.so
/data/data/####/libufix.so
/data/data/####/local_crash_lock
/data/data/####/logdata.xml
/data/data/####/logdb.db
/data/data/####/logdb.db-journal
/data/data/####/mix.dex
/data/data/####/mobclick_agent_cached_com.wuba.huoyun5043
/data/data/####/multidex.version.xml
/data/data/####/native_record_lock
/data/data/####/pref.xml
/data/data/####/savedDate.xml
/data/data/####/savedNewUrlDate.xml
/data/data/####/sdk_app_2019-04-03_02-14-38_303.txt
/data/data/####/sdk_app_2019-04-03_02-14-38_303.txt.zip
/data/data/####/sdk_app_2019-04-03_02-14-38_357.txt
/data/data/####/sdk_app_2019-04-03_02-14-38_357.txt.zip
/data/data/####/sdk_app_2019-04-03_02-14-39_485.txt
/data/data/####/sdk_app_2019-04-03_02-14-39_485.txt.zip
/data/data/####/sdk_app_2019-04-03_02-14-39_587.txt
/data/data/####/sdk_app_2019-04-03_02-14-39_587.txt.zip
/data/data/####/sdk_app_2019-04-03_02-14-40_395.txt
/data/data/####/sdk_app_2019-04-03_02-14-40_395.txt.zip
/data/data/####/sdk_app_2019-04-03_02-15-38_161.txt
/data/data/####/sdk_app_2019-04-03_02-15-38_903.txt
/data/data/####/security_info
/data/data/####/share_config_name.xml
/data/data/####/share_info.xml
/data/data/####/style.data
/data/data/####/tdata_NtE098.jar
/data/data/####/tdata_NtE0981988213632.tmp
/data/data/####/umeng_general_config.xml
/data/data/####/webview.db-journal
/data/media/####/.INNERNEW.txt
/data/media/####/.nomedia
/data/media/####/.wubauu
/data/media/####/.wubauu (deleted)
/data/media/####/1554257681768.db
/data/media/####/_20190403.xlog
/data/media/####/alsn20170807.db
/data/media/####/alsn20170807.db-journal
/data/media/####/com.wuba.huoyun_.db
/data/media/####/configcenter.db
/data/media/####/configcenter.db-journal
/data/media/####/journal.tmp
/data/media/####/tdata_NtE098

Miscellaneous:

Executes the following shell scripts:

/system/bin/cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
/system/bin/sh -c getprop
/system/bin/sh -c getprop ro.aa.romver
/system/bin/sh -c getprop ro.board.platform
/system/bin/sh -c getprop ro.build.fingerprint
/system/bin/sh -c getprop ro.build.nubia.rom.name
/system/bin/sh -c getprop ro.build.rom.id
/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
/system/bin/sh -c getprop ro.build.version.emui
/system/bin/sh -c getprop ro.build.version.opporom
/system/bin/sh -c getprop ro.gn.gnromvernumber
/system/bin/sh -c getprop ro.lenovo.series
/system/bin/sh -c getprop ro.lewa.version
/system/bin/sh -c getprop ro.meizu.product.model
/system/bin/sh -c getprop ro.miui.ui.version.name
/system/bin/sh -c getprop ro.vivo.os.build.display.id
/system/bin/sh -c type su
chmod 700 <Package Folder>/tx_shell/libnfix.so
chmod 700 <Package Folder>/tx_shell/libshella-2.9.1.2.so
chmod 700 <Package Folder>/tx_shell/libufix.so
getprop
getprop ro.aa.romver
getprop ro.board.platform
getprop ro.build.fingerprint
getprop ro.build.nubia.rom.name
getprop ro.build.rom.id
getprop ro.build.tyd.kbstyle_version
getprop ro.build.version.emui
getprop ro.build.version.opporom
getprop ro.gn.gnromvernumber
getprop ro.lenovo.series
getprop ro.lewa.version
getprop ro.meizu.product.model
getprop ro.miui.ui.version.name
getprop ro.vivo.os.build.display.id
getprop ro.yunos.version
logcat -d -v threadtime

Loads the following dynamic libraries:

Bugly
libnfix
libshella-2.9.1.2
libufix
marsxlog
nfix
sqlcipher
stlport_shared
ufix

Uses the following algorithms to encrypt data:

AES-CBC-PKCS5Padding
AES-ECB-PKCS5Padding
AES-GCM-NoPadding
RSA-ECB-PKCS1Padding

Uses the following algorithms to decrypt data:

AES-CBC-PKCS5Padding
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 network.

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

Gets information about installed apps.

Gets information about running 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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