Analysis Overview
SHA256
7c4e9e95a27147623ec5b3be81c76c131a0871d75f50b148b93e88ef6ee0b468
Threat Level: Known bad
The file pty8 was found to be: Known bad.
Malicious Activity Summary
Identified Kaiten Bot
Kaiten family
Reads runtime system information
Writes file to tmp directory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2022-04-25 23:53
Signatures
Identified Kaiten Bot
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Kaiten family
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-25 23:53
Reported
2022-04-26 00:01
Platform
ubuntu1804-amd64-en-20211208
Max time kernel
11949s
Max time network
155s
Command Line
Signatures
Processes
./pty8
[./pty8]
/bin/sh
[sh -c pidof -x strace > /dev/null]
/bin/pidof
[pidof -x strace]
/bin/sh
[sh -c pidof -x tcpdump > /dev/null]
/bin/pidof
[pidof -x tcpdump]
/bin/sh
[sh -c cat /etc/inittab | grep -v "/tmp/pty8" > /etc/inittab2]
/bin/sh
[sh -c crontab -l | grep /tmp/pty8 | grep -v "no cron" || (crontab -l ; echo "* * * * * /tmp/pty8 > /dev/null 2>&1 &") | crontab -]
/bin/cat
[cat /etc/inittab]
/bin/sh
[sh -c crontab -r]
/bin/grep
[grep -v /tmp/pty8]
/usr/bin/crontab
[crontab -l]
/usr/bin/crontab
[crontab -r]
/bin/sh
[sh -c echo "0:2345:respawn:/tmp/pty8" >> /etc/inittab2]
/bin/grep
[grep /tmp/pty8]
/bin/grep
[grep -v no cron]
/bin/sh
[sh -c cat /etc/inittab2 > /etc/inittab]
/usr/bin/crontab
[crontab -]
/bin/cat
[cat /etc/inittab2]
/bin/sh
[sh -c rm -rf /etc/inittab2]
/usr/bin/crontab
[crontab -l]
/bin/rm
[rm -rf /etc/inittab2]
/bin/sh
[sh -c touch -acmr /bin/ls /etc/inittab]
/usr/bin/touch
[touch -acmr /bin/ls /etc/inittab]
/bin/sh
[sh -c cp -f /tmp/pty8 /dev/shm/pty8]
/bin/sh
[sh -c /bin/uname -n]
/bin/cp
[cp -f /tmp/pty8 /dev/shm/pty8]
/bin/uname
[/bin/uname -n]
/bin/sh
[sh -c cat /etc/inittab | grep -v "/dev/shm/pty8" > /etc/inittab2]
/bin/sh
[sh -c crontab -l | grep /dev/shm/pty8 | grep -v "no cron" || (crontab -l ; echo "* * * * * /dev/shm/pty8 > /dev/null 2>&1 &") | crontab -]
/bin/grep
[grep -v /dev/shm/pty8]
/bin/cat
[cat /etc/inittab]
/usr/bin/crontab
[crontab -l]
/bin/sh
[sh -c echo "0:2345:respawn:/dev/shm/pty8" >> /etc/inittab2]
/bin/grep
[grep /dev/shm/pty8]
/bin/grep
[grep -v no cron]
/bin/sh
[sh -c cat /etc/inittab2 > /etc/inittab]
/usr/bin/crontab
[crontab -]
/bin/cat
[cat /etc/inittab2]
/bin/sh
[sh -c rm -rf /etc/inittab2]
/usr/bin/crontab
[crontab -l]
/bin/rm
[rm -rf /etc/inittab2]
/bin/sh
[sh -c touch -acmr /bin/ls /etc/inittab]
/usr/bin/touch
[touch -acmr /bin/ls /etc/inittab]
/bin/sh
[sh -c cp -f /tmp/pty8 /var/tmp/pty8]
/bin/cp
[cp -f /tmp/pty8 /var/tmp/pty8]
/bin/sh
[sh -c cat /etc/inittab | grep -v "/var/tmp/pty8" > /etc/inittab2]
/bin/cat
[cat /etc/inittab]
/bin/sh
[sh -c crontab -l | grep /var/tmp/pty8 | grep -v "no cron" || (crontab -l ; echo "* * * * * /var/tmp/pty8 > /dev/null 2>&1 &") | crontab -]
/usr/bin/crontab
[crontab -l]
/bin/grep
[grep -v /var/tmp/pty8]
/bin/sh
[sh -c echo "0:2345:respawn:/var/tmp/pty8" >> /etc/inittab2]
/bin/grep
[grep /var/tmp/pty8]
/bin/grep
[grep -v no cron]
/bin/sh
[sh -c cat /etc/inittab2 > /etc/inittab]
/bin/cat
[cat /etc/inittab2]
/usr/bin/crontab
[crontab -]
/usr/bin/crontab
[crontab -l]
/bin/sh
[sh -c rm -rf /etc/inittab2]
/bin/rm
[rm -rf /etc/inittab2]
/bin/sh
[sh -c touch -acmr /bin/ls /etc/inittab]
/usr/bin/touch
[touch -acmr /bin/ls /etc/inittab]
/bin/sh
[sh -c cp -f /tmp/pty8 /var/lock/pty8]
/bin/cp
[cp -f /tmp/pty8 /var/lock/pty8]
/bin/sh
[sh -c cat /etc/inittab | grep -v "/var/lock/pty8" > /etc/inittab2]
/bin/cat
[cat /etc/inittab]
/bin/sh
[sh -c crontab -l | grep /var/lock/pty8 | grep -v "no cron" || (crontab -l ; echo "* * * * * /var/lock/pty8 > /dev/null 2>&1 &") | crontab -]
/usr/bin/crontab
[crontab -l]
/bin/grep
[grep -v /var/lock/pty8]
/bin/grep
[grep /var/lock/pty8]
/bin/sh
[sh -c echo "0:2345:respawn:/var/lock/pty8" >> /etc/inittab2]
/bin/grep
[grep -v no cron]
/bin/sh
[sh -c cat /etc/inittab2 > /etc/inittab]
/bin/cat
[cat /etc/inittab2]
/usr/bin/crontab
[crontab -]
/usr/bin/crontab
[crontab -l]
/bin/sh
[sh -c rm -rf /etc/inittab2]
/bin/rm
[rm -rf /etc/inittab2]
/bin/sh
[sh -c touch -acmr /bin/ls /etc/inittab]
/usr/bin/touch
[touch -acmr /bin/ls /etc/inittab]
/bin/sh
[sh -c cp -f /tmp/pty8 /var/run/pty8]
/bin/cp
[cp -f /tmp/pty8 /var/run/pty8]
/bin/sh
[sh -c cat /etc/inittab | grep -v "/var/run/pty8" > /etc/inittab2]
/bin/sh
[sh -c crontab -l | grep /var/run/pty8 | grep -v "no cron" || (crontab -l ; echo "* * * * * /var/run/pty8 > /dev/null 2>&1 &") | crontab -]
/bin/cat
[cat /etc/inittab]
/bin/grep
[grep -v /var/run/pty8]
/bin/sh
[sh -c echo "0:2345:respawn:/var/run/pty8" >> /etc/inittab2]
/usr/bin/crontab
[crontab -l]
/bin/grep
[grep /var/run/pty8]
/bin/sh
[sh -c cat /etc/inittab2 > /etc/inittab]
/bin/grep
[grep -v no cron]
/bin/cat
[cat /etc/inittab2]
/usr/bin/crontab
[crontab -]
/bin/sh
[sh -c rm -rf /etc/inittab2]
/usr/bin/crontab
[crontab -l]
/bin/rm
[rm -rf /etc/inittab2]
/bin/sh
[sh -c touch -acmr /bin/ls /etc/inittab]
/usr/bin/touch
[touch -acmr /bin/ls /etc/inittab]
Network
| Country | Destination | Domain | Proto |
| NL | 67.209.115.148:8080 | tcp | |
| SG | 185.201.8.176:8080 | tcp | |
| GB | 178.159.3.213:8080 | tcp | |
| SG | 37.44.244.106:8080 | tcp | |
| SG | 141.136.47.97:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| RO | 89.33.194.89:8080 | tcp | |
| GB | 178.159.3.213:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| US | 85.120.225.141:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| US | 85.120.225.141:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| RO | 89.33.194.89:8080 | tcp | |
| SG | 37.44.244.106:8080 | tcp | |
| SG | 141.136.47.97:8080 | tcp | |
| GB | 178.159.3.213:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp | |
| NL | 67.209.115.148:8080 | tcp | |
| US | 144.172.71.162:8080 | tcp | |
| US | 144.172.71.162:8080 | tcp | |
| SG | 185.201.8.176:8080 | tcp | |
| US | 144.172.71.162:8080 | tcp | |
| SG | 141.136.47.97:8080 | tcp | |
| SG | 194.59.165.52:8080 | tcp | |
| GB | 178.159.3.213:8080 | tcp | |
| SG | 37.44.244.106:8080 | tcp | |
| US | 85.120.225.141:8080 | tcp | |
| SG | 156.67.218.115:8080 | tcp |