kaiten | a1f211877e5ac29682f07d0b97d02ee936ed02f3355b68d7163b3336164d85f6

Analysis

max time kernel
19s
max time network
7s
platform
debian-9_mips
resource
debian9-mipsbe-20240418-en
resource tags

arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
22-10-2024 07:45

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General

Target

irq1
Size

510KB
MD5

2aa1abc12fdf779dbe4e71ed20111bce
SHA1

fee772fa1e9c94d9b89ffa3fa89df08c4a1fe84f
SHA256

a1f211877e5ac29682f07d0b97d02ee936ed02f3355b68d7163b3336164d85f6
SHA512

e9b95f9c28e39fa3c57f921ac2e55f5ee1b22d3664b8059f53610b059e620230ff63db7d39a5a9c256f39aa99d1b1333f4bd0acefe44bd826048c60b4e5c6fc0
SSDEEP

6144:21cNQ3N/6H7bvnWGSTOk/Gsw6apMBNedo+nS2Ref6zIfcxnjL/Va+wjdIBKPO7QZ:2CQd/SVV2PsfssIfyn/U+sm7Q380/

Score

10^/10

kaiten botnet defense_evasion discovery execution persistence privilege_escalatio

Malware Config

Signatures

Detects Kaiten/Tsunami Payload 1 IoCs

resource	yara_rule
behavioral1/memory/739-1-0x00400000-0x00568718-memory.dmp	family_kaiten2

Kaiten/Tsunami
Linux-based IoT botnet which is controlled through IRC and normally used to carry out DDoS attacks.
botnet kaiten

Creates/modifies Cron job 1 TTPs 1 IoCs

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

execution persistence privilege_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.juuYTB	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Indicator Removal: Timestomp 1 TTPs 4 IoCs

Adversaries may remove indicators of compromise from the host to evade detection.

defense_evasion

Timestomp

T1070.006

pid	Process
782	touch
742	sh
747	touch
780	sh

Enumerates kernel/hardware configuration 1 TTPs 21 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl
File opened for reading	/sys/fs/kdbus/0-system/bus	systemctl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/10/stat	killall
File opened for reading	/proc/720/stat	killall
File opened for reading	/proc/385/stat	killall
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/filesystems	sed
File opened for reading	/proc/153/stat	killall
File opened for reading	/proc/23/stat	killall
File opened for reading	/proc/123/stat	killall
File opened for reading	/proc/732/stat	killall
File opened for reading	/proc/732/cmdline	killall
File opened for reading	/proc/20/stat	killall
File opened for reading	/proc/743/stat	killall
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/filesystems	sed
File opened for reading	/proc/731/cmdline	killall
File opened for reading	/proc/667/stat	killall
File opened for reading	/proc/732/cmdline	killall
File opened for reading	/proc/379/stat	killall
File opened for reading	/proc/698/stat	killall
File opened for reading	/proc/783/stat	killall
File opened for reading	/proc/420/stat	killall
File opened for reading	/proc/6/stat	killall
File opened for reading	/proc/71/stat	killall
File opened for reading	/proc/736/stat	killall
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/809/stat	killall
File opened for reading	/proc/73/stat	killall
File opened for reading	/proc/80/stat	killall
File opened for reading	/proc/783/stat	killall
File opened for reading	/proc/75/stat	killall
File opened for reading	/proc/filesystems	killall
File opened for reading	/proc/6/stat	killall
File opened for reading	/proc/816/stat	killall
File opened for reading	/proc/filesystems	killall
File opened for reading	/proc/79/stat	killall
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/797/stat	killall
File opened for reading	/proc/13/stat	killall
File opened for reading	/proc/16/stat	killall
File opened for reading	/proc/11/stat	killall
File opened for reading	/proc/16/stat	killall
File opened for reading	/proc/2/stat	killall
File opened for reading	/proc/385/stat	killall
File opened for reading	/proc/837/stat	killall
File opened for reading	/proc/filesystems	systemctl
File opened for reading	/proc/74/stat	killall
File opened for reading	/proc/743/stat	killall
File opened for reading	/proc/79/stat	killall
File opened for reading	/proc/1/environ	systemctl
File opened for reading	/proc/837/stat	killall
File opened for reading	/proc/172/stat	killall
File opened for reading	/proc/720/stat	killall
File opened for reading	/proc/731/stat	killall
File opened for reading	/proc/737/stat	killall
File opened for reading	/proc/156/stat	killall
File opened for reading	/proc/701/stat	killall
File opened for reading	/proc/73/stat	killall
File opened for reading	/proc/245/stat	killall
File opened for reading	/proc/self/stat	systemctl
File opened for reading	/proc/36/stat	killall
File opened for reading	/proc/79/stat	killall

/tmp/irq1
/tmp/irq1
1⤵
PID:739
- /bin/sh
  sh -c "touch -acmr /bin/ls /tmp/irq1"
  2⤵
  - Indicator Removal: Timestomp
  PID:742
- - /usr/bin/touch
    touch -acmr /bin/ls /tmp/irq1
    3⤵
    - Indicator Removal: Timestomp
    PID:747
- /bin/sh
  sh -c "(crontab -l | grep -v \"/tmp/irq1\" | grep -v \"no cron\" | grep -v \"lesshts/run.sh\" > /var/run/.x00740882966) > /dev/null 2>&1"
  2⤵
  PID:749
- - /bin/grep
    grep -v /tmp/irq1
    3⤵
    PID:752
- - /usr/bin/crontab
    crontab -l
    3⤵
    PID:751
- - /bin/grep
    grep -v "no cron"
    3⤵
    PID:753
- - /bin/grep
    grep -v lesshts/run.sh
    3⤵
    PID:754
- /bin/sh
  sh -c "echo \"* * * * * /tmp/irq1 > /dev/null 2>&1 &\" >> /var/run/.x00740882966"
  2⤵
  PID:757
- /bin/sh
  sh -c "crontab /var/run/.x00740882966"
  2⤵
  PID:759
- - /usr/bin/crontab
    crontab /var/run/.x00740882966
    3⤵
    - Creates/modifies Cron job
    PID:761
- /bin/sh
  sh -c "rm -rf /var/run/.x00740882966"
  2⤵
  PID:765
- - /bin/rm
    rm -rf /var/run/.x00740882966
    3⤵
    PID:767
- /bin/sh
  sh -c "cat /etc/inittab | grep -v \"/tmp/irq1\" > /etc/inittab2"
  2⤵
  PID:769
- - /bin/cat
    cat /etc/inittab
    3⤵
    PID:770
- - /bin/grep
    grep -v /tmp/irq1
    3⤵
    PID:771
- /bin/sh
  sh -c "echo \"0:2345:respawn:/tmp/irq1\" >> /etc/inittab2"
  2⤵
  PID:774
- /bin/sh
  sh -c "cat /etc/inittab2 > /etc/inittab"
  2⤵
  PID:776
- - /bin/cat
    cat /etc/inittab2
    3⤵
    PID:777
- /bin/sh
  sh -c "rm -rf /etc/inittab2"
  2⤵
  PID:778
- - /bin/rm
    rm -rf /etc/inittab2
    3⤵
    PID:779
- /bin/sh
  sh -c "touch -acmr /bin/ls /etc/inittab"
  2⤵
  - Indicator Removal: Timestomp
  PID:780
- - /usr/bin/touch
    touch -acmr /bin/ls /etc/inittab
    3⤵
    - Indicator Removal: Timestomp
    PID:782
- /bin/sh
  sh -c "/bin/uname -n"
  2⤵
  PID:784
- - /bin/uname
    /bin/uname -n
    3⤵
    PID:786
- /bin/sh
  sh -c "/bin/uname -n"
  2⤵
  PID:787
- - /bin/uname
    /bin/uname -n
    3⤵
    PID:788
- /bin/sh
  sh -c "/bin/uname -n"
  2⤵
  PID:789
- - /bin/uname
    /bin/uname -n
    3⤵
    PID:790
- /bin/sh
  sh -c "kill -9 `cat /var/run/httpd.pid` > /dev/null 2>&1 &"
  2⤵
  PID:796
- - /bin/cat
    cat /var/run/httpd.pid
    3⤵
    PID:798
- /bin/sh
  sh -c "service httpd stop > /dev/null 2>&1 &"
  2⤵
  PID:799
- /bin/sh
  sh -c "killall -9 mini_httpd > /dev/null 2>&1 &"
  2⤵
  PID:801
- /bin/sh
  sh -c "killall -9 minihttpd > /dev/null 2>&1 &"
  2⤵
  PID:805
- /bin/sh
  sh -c "kill -9 `cat /var/run/thttpd.pid` > /dev/null 2>&1 &"
  2⤵
  PID:807
- - /bin/cat
    cat /var/run/thttpd.pid
    3⤵
    PID:810
- /bin/sh
  sh -c "nvram set httpd_enable=0 > /dev/null 2>&1"
  2⤵
  PID:809
- /bin/sh
  sh -c "nvram set http_enable=0 > /dev/null 2>&1"
  2⤵
  PID:811
- /bin/sh
  sh -c "killall -9 httpd > /dev/null 2>&1 &"
  2⤵
  PID:813
- /bin/sh
  sh -c "service telnetd stop > /dev/null 2>&1 &"
  2⤵
  PID:815
- /bin/sh
  sh -c "service sshd stop > /dev/null 2>&1 &"
  2⤵
  PID:817
- /bin/sh
  sh -c "killall -9 telnetd > /dev/null 2>&1 &"
  2⤵
  PID:819
- /bin/sh
  sh -c "killall -9 utelnetd > /dev/null 2>&1 &"
  2⤵
  PID:822
- /bin/sh
  sh -c "killall -9 dropbear > /dev/null 2>&1 &"
  2⤵
  PID:825
- /bin/sh
  sh -c "killall -9 sshd > /dev/null 2>&1 &"
  2⤵
  PID:829
- /bin/sh
  sh -c "killall -9 lighttpd > /dev/null 2>&1 &"
  2⤵
  PID:839

/usr/sbin/service
service httpd stop
1⤵
PID:800
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:802
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:803
- /bin/systemctl
  systemctl --quiet is-active multi-user.target
  2⤵
  - Enumerates kernel/hardware configuration
  PID:812
- /bin/systemctl
  systemctl list-unit-files --full "--type=socket"
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:833
- /bin/sed
  sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
  2⤵
  - Reads runtime system information
  PID:834

/usr/bin/killall
killall -9 mini_httpd
1⤵
- Reads runtime system information
PID:804

/usr/bin/killall
killall -9 minihttpd
1⤵
- Reads runtime system information
PID:806

/usr/bin/killall
killall -9 httpd
1⤵
- Reads runtime system information
PID:814

/usr/sbin/service
service telnetd stop
1⤵
PID:816
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:820
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:826
- /bin/systemctl
  systemctl --quiet is-active multi-user.target
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:831
- /bin/systemctl
  systemctl list-unit-files --full "--type=socket"
  2⤵
  - Enumerates kernel/hardware configuration
  PID:843
- /bin/sed
  sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
  2⤵
  - Reads runtime system information
  PID:844
- /bin/systemctl
  systemctl -p Triggers show dbus.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:847
- /bin/systemctl
  systemctl -p Triggers show ssh.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:848
- /bin/systemctl
  systemctl -p Triggers show syslog.socket
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:852
- /bin/systemctl
  systemctl -p Triggers show systemd-fsckd.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:853
- /bin/systemctl
  systemctl -p Triggers show systemd-initctl.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:855
- /bin/systemctl
  systemctl -p Triggers show systemd-journald-audit.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:856
- /bin/systemctl
  systemctl -p Triggers show systemd-journald-dev-log.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:857
- /bin/systemctl
  systemctl -p Triggers show systemd-journald.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:858
- /bin/systemctl
  systemctl -p Triggers show systemd-networkd.socket
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:859
- /bin/systemctl
  systemctl -p Triggers show systemd-rfkill.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:860
- /bin/systemctl
  systemctl -p Triggers show systemd-udevd-control.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:861
- /bin/systemctl
  systemctl -p Triggers show systemd-udevd-kernel.socket
  2⤵
  - Enumerates kernel/hardware configuration
  PID:862

/usr/sbin/service
service sshd stop
1⤵
PID:818
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:823
- /usr/bin/basename
  basename /usr/sbin/service
  2⤵
  PID:827
- /bin/systemctl
  systemctl --quiet is-active multi-user.target
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:830
- /bin/systemctl
  systemctl list-unit-files --full "--type=socket"
  2⤵
  - Enumerates kernel/hardware configuration
  PID:836
- /bin/sed
  sed -ne "s/\\.socket\\s*[a-z]*\\s*\$/.socket/p"
  2⤵
  PID:837

/usr/bin/killall
killall -9 telnetd
1⤵
- Reads runtime system information
PID:821

/usr/bin/killall
killall -9 utelnetd
1⤵
- Reads runtime system information
PID:824

/usr/bin/killall
killall -9 dropbear
1⤵
- Reads runtime system information
PID:828

/usr/bin/killall
killall -9 sshd
1⤵
- Reads runtime system information
PID:838

/usr/bin/killall
killall -9 lighttpd
1⤵
- Reads runtime system information
PID:840

/usr/local/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
PID:800

/usr/local/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
PID:800

/usr/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
PID:800

/usr/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
PID:800

/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
PID:800

/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop httpd.service
1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:800

/usr/local/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
PID:818

/usr/local/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
PID:818

/usr/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
PID:818

/usr/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
PID:818

/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
PID:818

/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop sshd.service
1⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:818

/usr/local/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
PID:816

/usr/local/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
PID:816

/usr/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
PID:816

/usr/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
PID:816

/sbin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
PID:816

/bin/systemctl
systemctl "--job-mode=ignore-dependencies" stop telnetd.service
1⤵
- Enumerates kernel/hardware configuration
PID:816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Cron

T1053.003

Persistence

Scheduled Task/Job

T1053

Cron

T1053.003

Privilege Escalation

Scheduled Task/Job

T1053

Cron

T1053.003

Defense Evasion

Indicator Removal

T1070

Timestomp

T1070.006

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/etc/inittab2

Filesize
25B

MD5
fb9937ff672674502da9a565b7576ed1

SHA1
4e152aef48427b3ed75a06b3b3ae8cd350dc57eb

SHA256
1204206d0f4e038ab65c11096d9ac595dd9ff9b4dd59415840051a756e610fd5

SHA512
b8c0fc312e26387cdeae8bac1c4470f8dd967d3a5706d386f9360ebd67693fb4bd5ed8fbb7ca9e4030cc8a6543fcdc6ccd562db0fa9404991a1dc4e7be01418e

Download Submit
/run/.x00740882966

Filesize
39B

MD5
d118ee982e25b7da8116537cd4fe7aaf

SHA1
faace3f0f5dcc4f28fe7d613fe4457f11452eb8c

SHA256
94fcb661559435e277be010ee5b1cae44f4660d70628924d8b8e8a184be7039d

SHA512
ee642d887f04c1bca7d7d191e8f101ffc5cfeec4e17b09fb608f8689a7cada704594dd42e4e74effbd339ce3321ec4c8976e0fb85345a3d37fc3be50a6a10a0d

Download Submit
/var/spool/cron/crontabs/tmp.juuYTB

Filesize
235B

MD5
ced4c39d059799b6f8b3a3a55427154b

SHA1
69ffc9c6ed1f6b991ce3bd08d34e4ccc3cfc1590

SHA256
ca43e6bdc3f34047ab41ef97c6886a814bfe7febc7b97dc99e3dcf3c1c8f50ef

SHA512
da5afee4c6c624e56286f825b810ee5ba7e34882c31af761ca87b965a84ece7ac46268ddbf8ae32c9efcaea2492af684c6b578aa61f5c9f07687108a369c61d7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads