Analysis
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max time kernel
0s -
max time network
31s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
submitted
07-07-2022 10:34
Static task
static1
Behavioral task
behavioral1
Sample
45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e
Resource
ubuntu1804-amd64-en-20211208
General
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Target
45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e
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Size
611KB
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MD5
63877c8af701e337108a87181e13a855
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SHA1
2c778383d1e411a83415d6d43f6ca6699248f8ec
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SHA256
45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e
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SHA512
835d019e77b8200b738a788bb3e575854816293a5dd1a36006698f8b467feff55a9099da94a46a7176b470810b90aae26ba8cc0c3fdd933fe7c849b1d3348a2a
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
description ioc /bin/vdlqcyecow /bin/vdlqcyecow /bin/kiqfzuiztr /bin/kiqfzuiztr /bin/ukobftptht /bin/ukobftptht -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description 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.
description ioc Process /etc/rc6.d/ /etc/rc6.d/ update-rc.d /etc/rc3.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e /etc/rc3.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e Process not Found /etc/rc4.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e /etc/rc4.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e Process not Found /etc/rc5.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e /etc/rc5.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e Process not Found /etc/rc0.d/ /etc/rc0.d/ update-rc.d /etc/rc5.d/ /etc/rc5.d/ update-rc.d /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc1.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e /etc/rc1.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e Process not Found /etc/rc2.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e /etc/rc2.d/S9045deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e Process not Found /etc/rc3.d/ /etc/rc3.d/ update-rc.d /etc/rc2.d/ /etc/rc2.d/ update-rc.d /etc/rc1.d/ /etc/rc1.d/ update-rc.d -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.89.52.12 Destination IP 54.36.15.98 -
Write file to user bin folder 1 TTPs 4 IoCs
description ioc Process /usr/sbin/update-rc.d /usr/sbin/update-rc.d update-rc.d /usr/bin/kiqfzuiztr /usr/bin/kiqfzuiztr Process not Found /usr/bin/ukobftptht /usr/bin/ukobftptht Process not Found /usr/bin/vdlqcyecow /usr/bin/vdlqcyecow Process not Found -
Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
description ioc Process /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 /proc/filesystems /proc/filesystems systemctl -
Writes file to tmp directory 3 IoCs
Malware often drops required files in the /tmp directory.
description ioc /tmp/vdlqcyecow /tmp/vdlqcyecow /tmp/kiqfzuiztr /tmp/kiqfzuiztr /tmp/ukobftptht /tmp/ukobftptht
Processes
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./45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e./45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:593
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/bin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/sbin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/usr/bin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/usr/sbin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/usr/local/bin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/usr/local/sbin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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/usr/X11R6/bin/chkconfigchkconfig --add 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e1⤵PID:596
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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:599 -
/bin/sedsed -i "/\\/etc\\/cron.hourly\\/gcc.sh/d" /etc/crontab2⤵
- Creates/modifies Cron job
- Reads runtime system information
PID:600
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/bin/update-rc.dupdate-rc.d 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e defaults1⤵PID:598
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/sbin/update-rc.dupdate-rc.d 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e defaults1⤵PID:598
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/usr/bin/update-rc.dupdate-rc.d 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e defaults1⤵PID:598
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/usr/sbin/update-rc.dupdate-rc.d 45deebda9ff6b01eaeb6961b22066709f7df31c4e5f53acc76c3488483807f7e defaults1⤵
- Modifies rc script
- Write file to user bin folder
PID:598 -
/bin/systemctlsystemctl daemon-reload2⤵
- Reads runtime system information
PID:605
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/usr/bin/kiqfzuiztr/usr/bin/kiqfzuiztr ls 5941⤵PID:606
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/usr/bin/kiqfzuiztr/usr/bin/kiqfzuiztr "netstat -antop" 5941⤵PID:624
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/usr/bin/kiqfzuiztr/usr/bin/kiqfzuiztr "sleep 1" 5941⤵PID:627
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/usr/bin/kiqfzuiztr/usr/bin/kiqfzuiztr "echo \"find\"" 5941⤵PID:630
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/usr/bin/kiqfzuiztr/usr/bin/kiqfzuiztr ls 5941⤵PID:637
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/usr/bin/ukobftptht/usr/bin/ukobftptht top 5941⤵PID:640
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/usr/bin/ukobftptht/usr/bin/ukobftptht ls 5941⤵PID:643
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/usr/bin/ukobftptht/usr/bin/ukobftptht su 5941⤵PID:646
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/usr/bin/ukobftptht/usr/bin/ukobftptht id 5941⤵PID:649
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/usr/bin/ukobftptht/usr/bin/ukobftptht gnome-terminal 5941⤵PID:652
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/usr/bin/vdlqcyecow/usr/bin/vdlqcyecow "grep \"A\"" 5941⤵PID:655
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/usr/bin/vdlqcyecow/usr/bin/vdlqcyecow "netstat -antop" 5941⤵PID:658
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/usr/bin/vdlqcyecow/usr/bin/vdlqcyecow "netstat -antop" 5941⤵PID:661
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/usr/bin/vdlqcyecow/usr/bin/vdlqcyecow su 5941⤵PID:664
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/usr/bin/vdlqcyecow/usr/bin/vdlqcyecow "echo \"find\"" 5941⤵PID:667
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/usr/bin/vtunxjmepi/usr/bin/vtunxjmepi ifconfig 5941⤵PID:670