Malware Analysis Report

2024-12-01 00:47

Sample ID 220121-2943gscfa2
Target b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a
SHA256 b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a
Tags
kaiten persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a

Threat Level: Known bad

The file b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a was found to be: Known bad.

Malicious Activity Summary

kaiten persistence

Identified Kaiten Bot

Kaiten family

Modifies rc script

Reads CPU attributes

Reads runtime system information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-01-21 23:17

Signatures

Identified Kaiten Bot

Description Indicator Process Target
N/A N/A N/A N/A

Kaiten family

kaiten

Analysis: behavioral1

Detonation Overview

Submitted

2022-01-21 23:17

Reported

2022-01-22 00:13

Platform

debian9-mipsbe-en-20211208

Max time kernel

0s

Max time network

153s

Command Line

[./b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a]

Signatures

Modifies rc script

persistence
Description Indicator Process Target
/etc/rc.d/rc.local /etc/rc.d/rc.local N/A N/A

Reads CPU attributes

Description Indicator Process Target
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A
/sys/devices/system/cpu/online /sys/devices/system/cpu/online /usr/bin/pkill N/A

Reads runtime system information

Description Indicator Process Target
/proc/4/status /proc/4/status /usr/bin/pkill N/A
/proc/216/cmdline /proc/216/cmdline /usr/bin/pkill N/A
/proc/337/status /proc/337/status /usr/bin/pkill N/A
/proc/227/status /proc/227/status /usr/bin/pkill N/A
/proc/75/cmdline /proc/75/cmdline /usr/bin/pkill N/A
/proc/10/status /proc/10/status /usr/bin/pkill N/A
/proc/234/cmdline /proc/234/cmdline /usr/bin/pkill N/A
/proc/302/status /proc/302/status /usr/bin/pkill N/A
/proc/77/cmdline /proc/77/cmdline /usr/bin/pkill N/A
/proc/139/cmdline /proc/139/cmdline /usr/bin/pkill N/A
/proc/13/status /proc/13/status /usr/bin/pkill N/A
/proc/filesystems /proc/filesystems /usr/bin/pkill N/A
/proc/2/cmdline /proc/2/cmdline /usr/bin/pkill N/A
/proc/18/status /proc/18/status /usr/bin/pkill N/A
/proc/139/cmdline /proc/139/cmdline /usr/bin/pkill N/A
/proc/332/status /proc/332/status /usr/bin/pkill N/A
/proc/13/cmdline /proc/13/cmdline /usr/bin/pkill N/A
/proc/8/status /proc/8/status /usr/bin/pkill N/A
/proc/17/status /proc/17/status /usr/bin/pkill N/A
/proc/332/cmdline /proc/332/cmdline /usr/bin/pkill N/A
/proc/139/status /proc/139/status /usr/bin/pkill N/A
/proc/13/cmdline /proc/13/cmdline /usr/bin/pkill N/A
/proc/82/cmdline /proc/82/cmdline /usr/bin/pkill N/A
/proc/78/cmdline /proc/78/cmdline /usr/bin/pkill N/A
/proc/74/status /proc/74/status /usr/bin/pkill N/A
/proc/10/status /proc/10/status /usr/bin/pkill N/A
/proc/337/cmdline /proc/337/cmdline /usr/bin/pkill N/A
/proc/342/cmdline /proc/342/cmdline /usr/bin/pkill N/A
/proc/12/status /proc/12/status /usr/bin/pkill N/A
/proc/332/cmdline /proc/332/cmdline /usr/bin/pkill N/A
/proc/294/cmdline /proc/294/cmdline /usr/bin/pkill N/A
/proc/16/status /proc/16/status /usr/bin/pkill N/A
/proc/114/status /proc/114/status /usr/bin/pkill N/A
/proc/254/status /proc/254/status /usr/bin/pkill N/A
/proc/289/cmdline /proc/289/cmdline /usr/bin/pkill N/A
/proc/286/status /proc/286/status /usr/bin/pkill N/A
/proc/4/status /proc/4/status /usr/bin/pkill N/A
/proc/77/status /proc/77/status /usr/bin/pkill N/A
/proc/2/cmdline /proc/2/cmdline /usr/bin/pkill N/A
/proc/254/status /proc/254/status /usr/bin/pkill N/A
/proc/409/cmdline /proc/409/cmdline /usr/bin/pkill N/A
/proc/75/cmdline /proc/75/cmdline /usr/bin/pkill N/A
/proc/114/status /proc/114/status /usr/bin/pkill N/A
/proc/71/status /proc/71/status /usr/bin/pkill N/A
/proc/139/status /proc/139/status /usr/bin/pkill N/A
/proc/20/cmdline /proc/20/cmdline /usr/bin/pkill N/A
/proc/73/status /proc/73/status /usr/bin/pkill N/A
/proc/332/status /proc/332/status /usr/bin/pkill N/A
/proc/11/status /proc/11/status /usr/bin/pkill N/A
/proc/332/cmdline /proc/332/cmdline /usr/bin/pkill N/A
/proc/19/status /proc/19/status /usr/bin/pkill N/A
/proc/18/cmdline /proc/18/cmdline /usr/bin/pkill N/A
/proc/75/cmdline /proc/75/cmdline /usr/bin/pkill N/A
/proc/17/cmdline /proc/17/cmdline /usr/bin/pkill N/A
/proc/254/status /proc/254/status /usr/bin/pkill N/A
/proc/370/cmdline /proc/370/cmdline /usr/bin/pkill N/A
/proc/333/status /proc/333/status /usr/bin/pkill N/A
/proc/384/cmdline /proc/384/cmdline /usr/bin/pkill N/A
/proc/334/cmdline /proc/334/cmdline /usr/bin/pkill N/A
/proc/19/status /proc/19/status /usr/bin/pkill N/A
/proc/16/status /proc/16/status /usr/bin/pkill N/A
/proc/17/cmdline /proc/17/cmdline /usr/bin/pkill N/A
/proc/399/status /proc/399/status /usr/bin/pkill N/A
/proc/105/status /proc/105/status /usr/bin/pkill N/A

Processes

./b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a

[./b39c5d868deb2e37254830f475b644223123049e2ca08db1db3ff229943b901a]

/bin/sh

[sh -c pkill -9 mirai.* || busybox pkill -9 mirai.*]

/usr/bin/pkill

[pkill -9 mirai.*]

/bin/busybox

[busybox pkill -9 mirai.*]

/bin/sh

[sh -c pkill -9 dlr.*mips || busybox pkill -9 dlr.*mips]

/usr/bin/pkill

[pkill -9 dlr.*mips]

/bin/busybox

[busybox pkill -9 dlr.*mips]

/bin/sh

[sh -c pkill -9 mips64 || busybox pkill -9 mips64]

/usr/bin/pkill

[pkill -9 mips64]

/bin/busybox

[busybox pkill -9 mips64]

/bin/sh

[sh -c pkill -9 mipsel || busybox pkill -9 mipsel]

/usr/bin/pkill

[pkill -9 mipsel]

/bin/busybox

[busybox pkill -9 mipsel]

/bin/sh

[sh -c pkill -9 sh2eb || busybox pkill -9 sh2eb]

/usr/bin/pkill

[pkill -9 sh2eb]

/bin/busybox

[busybox pkill -9 sh2eb]

/bin/sh

[sh -c pkill -9 sh2elf || busybox pkill -9 sh2elf]

/usr/bin/pkill

[pkill -9 sh2elf]

/bin/busybox

[busybox pkill -9 sh2elf]

/bin/sh

[sh -c pkill -9 sh4 || busybox pkill -9 sh4]

/usr/bin/pkill

[pkill -9 sh4]

/bin/busybox

[busybox pkill -9 sh4]

/bin/sh

[sh -c pkill -9 x86 || busybox pkill -9 x86]

/usr/bin/pkill

[pkill -9 x86]

/bin/busybox

[busybox pkill -9 x86]

/bin/sh

[sh -c pkill -9 arm || busybox pkill -9 arm]

/usr/bin/pkill

[pkill -9 arm]

/bin/busybox

[busybox pkill -9 arm]

/bin/sh

[sh -c pkill -9 armv5 || busybox pkill -9 armv5]

/usr/bin/pkill

[pkill -9 armv5]

/bin/busybox

[busybox pkill -9 armv5]

/bin/sh

[sh -c pkill -9 armv4tl || busybox pkill -9 armv4tl]

/usr/bin/pkill

[pkill -9 armv4tl]

/bin/busybox

[busybox pkill -9 armv4tl]

/bin/sh

[sh -c pkill -9 armv4 || busybox pkill -9 armv4]

/usr/bin/pkill

[pkill -9 armv4]

/bin/busybox

[busybox pkill -9 armv4]

/bin/sh

[sh -c pkill -9 armv6 || busybox pkill -9 armv6]

/usr/bin/pkill

[pkill -9 armv6]

/bin/busybox

[busybox pkill -9 armv6]

/bin/sh

[sh -c pkill -9 i686 || busybox pkill -9 i686]

/usr/bin/pkill

[pkill -9 i686]

/bin/busybox

[busybox pkill -9 i686]

/bin/sh

[sh -c pkill -9 powerpc || busybox pkill -9 powerpc]

/usr/bin/pkill

[pkill -9 powerpc]

/bin/busybox

[busybox pkill -9 powerpc]

/bin/sh

[sh -c pkill -9 powerpc440fp || busybox pkill -9 powerpc440fp]

/usr/bin/pkill

[pkill -9 powerpc440fp]

/bin/busybox

[busybox pkill -9 powerpc440fp]

/bin/sh

[sh -c pkill -9 i586 || busybox pkill -9 i586]

/usr/bin/pkill

[pkill -9 i586]

/bin/busybox

[busybox pkill -9 i586]

/bin/sh

[sh -c pkill -9 m68k || busybox pkill -9 m68k]

/usr/bin/pkill

[pkill -9 m68k]

/bin/busybox

[busybox pkill -9 m68k]

/bin/sh

[sh -c pkill -9 sparc || busybox pkill -9 sparc]

/usr/bin/pkill

[pkill -9 sparc]

/bin/busybox

[busybox pkill -9 sparc]

/bin/sh

[sh -c pkill -9 x86_64 || busybox pkill -9 x86_64]

/usr/bin/pkill

[pkill -9 x86_64]

/bin/busybox

[busybox pkill -9 x86_64]

/bin/sh

[sh -c pkill -9 jackmy* || busybox pkill -9 jackmy*]

/usr/bin/pkill

[pkill -9 jackmy*]

/bin/busybox

[busybox pkill -9 jackmy*]

/bin/sh

[sh -c pkill -9 hackmy* || busybox pkill -9 hackmy*]

/usr/bin/pkill

[pkill -9 hackmy*]

/bin/busybox

[busybox pkill -9 hackmy*]

/bin/sh

[sh -c pkill -9 b1 || busybox pkill -9 b1]

/usr/bin/pkill

[pkill -9 b1]

/bin/busybox

[busybox pkill -9 b1]

/bin/sh

[sh -c pkill -9 b2 || busybox pkill -9 b2]

/usr/bin/pkill

[pkill -9 b2]

Network

Country Destination Domain Proto
CN 106.53.200.20:6667 tcp
CN 212.64.67.230:6667 tcp
CN 106.52.68.18:6667 tcp
CN 106.52.68.18:6667 tcp
HK 154.92.16.67:6667 tcp
KR 121.163.241.77:23 tcp

Files

N/A