Analysis
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max time kernel
0s -
max time network
29s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
submitted
27-05-2022 19:02
Static task
static1
Behavioral task
behavioral1
Sample
57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc
Resource
ubuntu1804-amd64-en-20211208
General
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Target
57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc
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Size
611KB
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MD5
051537e40feb2b11b674dadabad2c505
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SHA1
0944493b4fe9d255da9df5816bd9bc6766ffb92f
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SHA256
57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc
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SHA512
33421ca0f404e7c91c1f205c6b34aaecf8a499f213a53afdc0ce66cc235c2cd1d5996a4cd951d2ede9182cc6ee07a7ee301fd6f36dca860bf37268e1d015c1f1
Malware Config
Signatures
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suricata: ET MALWARE DDoS.XOR Checkin
suricata: ET MALWARE DDoS.XOR Checkin
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suricata: ET MALWARE DDoS.XOR Checkin via HTTP
suricata: ET MALWARE DDoS.XOR Checkin via HTTP
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Writes file to system bin folder 1 TTPs 3 IoCs
Processes:
description ioc /bin/mdnnzthsio /bin/mdnnzthsio /bin/qkepdgyxpk /bin/qkepdgyxpk /bin/yydbqrbixr /bin/yydbqrbixr -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Processes:
sedshdescription ioc process /etc/crontab /etc/crontab sed /etc/crontab /etc/crontab sh -
Modifies rc script 1 TTPs 12 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
Processes:
update-rc.ddescription ioc /etc/rc4.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc4.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc5.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc5.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc0.d/ /etc/rc0.d/ update-rc.d /etc/rc2.d/ /etc/rc2.d/ update-rc.d /etc/rc6.d/ /etc/rc6.d/ update-rc.d /etc/rc1.d/ /etc/rc1.d/ update-rc.d /etc/rc1.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc1.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc2.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc2.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc3.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc3.d/S9057ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc /etc/rc5.d/ /etc/rc5.d/ update-rc.d /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc3.d/ /etc/rc3.d/ update-rc.d -
Write file to user bin folder 1 TTPs 4 IoCs
Processes:
update-rc.ddescription ioc process /usr/sbin/update-rc.d /usr/sbin/update-rc.d update-rc.d /usr/bin/qkepdgyxpk /usr/bin/qkepdgyxpk /usr/bin/yydbqrbixr /usr/bin/yydbqrbixr /usr/bin/mdnnzthsio /usr/bin/mdnnzthsio -
Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
Processes:
systemctlseddescription ioc process /proc/filesystems /proc/filesystems systemctl /proc/self/stat /proc/self/stat systemctl /proc/sys/kernel/osrelease /proc/sys/kernel/osrelease systemctl /proc/1/environ /proc/1/environ systemctl /proc/1/sched /proc/1/sched systemctl /proc/cmdline /proc/cmdline systemctl /proc/filesystems /proc/filesystems sed -
Writes file to tmp directory 3 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/qkepdgyxpk /tmp/qkepdgyxpk /tmp/yydbqrbixr /tmp/yydbqrbixr /tmp/mdnnzthsio /tmp/mdnnzthsio
Processes
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./57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc./57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:571
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/bin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/sbin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/usr/bin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/usr/sbin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/bin/shsh -c "sed -i '/\\/etc\\/cron.hourly\\/gcc.sh/d' /etc/crontab && echo '*/3 * * * * root /etc/cron.hourly/gcc.sh' >> /etc/crontab"1⤵
- Creates/modifies Cron job
PID:577 -
/bin/sedsed -i "/\\/etc\\/cron.hourly\\/gcc.sh/d" /etc/crontab2⤵
- Creates/modifies Cron job
- Reads runtime system information
PID:578
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/usr/local/bin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/usr/local/sbin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/usr/X11R6/bin/chkconfigchkconfig --add 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc1⤵PID:574
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/bin/update-rc.dupdate-rc.d 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc defaults1⤵PID:576
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/sbin/update-rc.dupdate-rc.d 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc defaults1⤵PID:576
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/usr/bin/update-rc.dupdate-rc.d 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc defaults1⤵PID:576
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/usr/sbin/update-rc.dupdate-rc.d 57ee14b30b52577e4600c1326d6b7918f06521468a4750317047442b4ce01bfc defaults1⤵
- Modifies rc script
- Write file to user bin folder
PID:576 -
/bin/systemctlsystemctl daemon-reload2⤵
- Reads runtime system information
PID:582
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/usr/bin/qkepdgyxpk/usr/bin/qkepdgyxpk "echo \"find\"" 5721⤵PID:584
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/usr/bin/qkepdgyxpk/usr/bin/qkepdgyxpk gnome-terminal 5721⤵PID:601
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/usr/bin/qkepdgyxpk/usr/bin/qkepdgyxpk sh 5721⤵PID:605
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/usr/bin/qkepdgyxpk/usr/bin/qkepdgyxpk id 5721⤵PID:608
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/usr/bin/qkepdgyxpk/usr/bin/qkepdgyxpk "sleep 1" 5721⤵PID:615
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/usr/bin/yydbqrbixr/usr/bin/yydbqrbixr who 5721⤵PID:618
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/usr/bin/yydbqrbixr/usr/bin/yydbqrbixr top 5721⤵PID:621
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/usr/bin/yydbqrbixr/usr/bin/yydbqrbixr id 5721⤵PID:624
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/usr/bin/yydbqrbixr/usr/bin/yydbqrbixr su 5721⤵PID:627
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/usr/bin/yydbqrbixr/usr/bin/yydbqrbixr "netstat -an" 5721⤵PID:630
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/usr/bin/mdnnzthsio/usr/bin/mdnnzthsio "route -n" 5721⤵PID:633
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/usr/bin/mdnnzthsio/usr/bin/mdnnzthsio "echo \"find\"" 5721⤵PID:636
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/usr/bin/mdnnzthsio/usr/bin/mdnnzthsio "netstat -an" 5721⤵PID:639
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/usr/bin/mdnnzthsio/usr/bin/mdnnzthsio "ifconfig eth0" 5721⤵PID:642
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/usr/bin/mdnnzthsio/usr/bin/mdnnzthsio ifconfig 5721⤵PID:645