mirai | d7800781555066e97a3165a99ca416c452f0d60d9160fdcc62e842311c8664f0

Analysis

max time kernel
136s
max time network
148s
platform
ubuntu-22.04_amd64
resource
ubuntu2204-amd64-20240729-en
resource tags

arch:amd64arch:i386image:ubuntu2204-amd64-20240729-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
submitted
20-11-2024 18:36

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General

Target

x86.elf
Size

37KB
MD5

edf612986dba9abff11a7530fa06d3c2
SHA1

c39e5ecf48ed660df4c93353744955bebfb91636
SHA256

d7800781555066e97a3165a99ca416c452f0d60d9160fdcc62e842311c8664f0
SHA512

0dd292e9760c9ac15b06809133d8296f21250085c803585be73abcd1d1faacbf07bb28a0703943f65c0bc66e0c6311b3342a1c39e118dfae6491b5f7b7eeda9f
SSDEEP

768:4a+BWS+ZPwIIBPGXna4nvdQL5zc6R96SMO/ieUeSMI68nCmqnbcuyD7UrQRj/:4a+BH+hKBAa4Vcc6RwSMO/ieCME2nouG

Score

10^/10

mirai lzrd botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
defense_evasion

Impair Defenses
T1562

Processes:

x86.elf

description ioc process

File opened for modification /dev/misc/watchdog x86.elf
File opened for modification /dev/watchdog x86.elf
Enumerates running processes
Discovers information about currently running processes on the system
Writes file to system bin folder 2 IoCs

Processes:

x86.elf

description ioc process

File opened for modification /sbin/watchdog x86.elf
File opened for modification /bin/watchdog x86.elf

description	ioc	process
File opened for modification	/dev/misc/watchdog	x86.elf
File opened for modification	/dev/watchdog	x86.elf

description	ioc	process
File opened for modification	/sbin/watchdog	x86.elf
File opened for modification	/bin/watchdog	x86.elf

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

x86.elf

description	ioc	process
File opened for reading	/proc/20/status	x86.elf
File opened for reading	/proc/27/status	x86.elf
File opened for reading	/proc/78/status	x86.elf
File opened for reading	/proc/991/status	x86.elf
File opened for reading	/proc/1078/status	x86.elf
File opened for reading	/proc/1141/status	x86.elf
File opened for reading	/proc/1159/status	x86.elf
File opened for reading	/proc/2/status	x86.elf
File opened for reading	/proc/15/status	x86.elf
File opened for reading	/proc/590/status	x86.elf
File opened for reading	/proc/757/status	x86.elf
File opened for reading	/proc/1014/status	x86.elf
File opened for reading	/proc/746/status	x86.elf
File opened for reading	/proc/747/status	x86.elf
File opened for reading	/proc/1164/status	x86.elf
File opened for reading	/proc/1177/status	x86.elf
File opened for reading	/proc/502/status	x86.elf
File opened for reading	/proc/73/status	x86.elf
File opened for reading	/proc/91/status	x86.elf
File opened for reading	/proc/92/status	x86.elf
File opened for reading	/proc/201/status	x86.elf
File opened for reading	/proc/215/status	x86.elf
File opened for reading	/proc/377/status	x86.elf
File opened for reading	/proc/416/status	x86.elf
File opened for reading	/proc/609/status	x86.elf
File opened for reading	/proc/1274/status	x86.elf
File opened for reading	/proc/24/status	x86.elf
File opened for reading	/proc/868/status	x86.elf
File opened for reading	/proc/963/status	x86.elf
File opened for reading	/proc/1045/status	x86.elf
File opened for reading	/proc/1279/status	x86.elf
File opened for reading	/proc/1352/status	x86.elf
File opened for reading	/proc/21/status	x86.elf
File opened for reading	/proc/410/status	x86.elf
File opened for reading	/proc/635/status	x86.elf
File opened for reading	/proc/1055/status	x86.elf
File opened for reading	/proc/1108/status	x86.elf
File opened for reading	/proc/1220/status	x86.elf
File opened for reading	/proc/775/status	x86.elf
File opened for reading	/proc/23/status	x86.elf
File opened for reading	/proc/218/status	x86.elf
File opened for reading	/proc/314/status	x86.elf
File opened for reading	/proc/588/status	x86.elf
File opened for reading	/proc/634/status	x86.elf
File opened for reading	/proc/647/status	x86.elf
File opened for reading	/proc/737/status	x86.elf
File opened for reading	/proc/829/status	x86.elf
File opened for reading	/proc/1112/status	x86.elf
File opened for reading	/proc/1162/status	x86.elf
File opened for reading	/proc/1183/status	x86.elf
File opened for reading	/proc/90/status	x86.elf
File opened for reading	/proc/1386/status	x86.elf
File opened for reading	/proc/18/status	x86.elf
File opened for reading	/proc/501/status	x86.elf
File opened for reading	/proc/613/status	x86.elf
File opened for reading	/proc/640/status	x86.elf
File opened for reading	/proc/668/status	x86.elf
File opened for reading	/proc/992/status	x86.elf
File opened for reading	/proc/1125/status	x86.elf
File opened for reading	/proc/1344/status	x86.elf
File opened for reading	/proc/3/status	x86.elf
File opened for reading	/proc/12/status	x86.elf
File opened for reading	/proc/93/status	x86.elf
File opened for reading	/proc/859/status	x86.elf

/tmp/x86.elf
/tmp/x86.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:1570

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1570-1-0x0000000008048000-0x000000000805bc08-memory.dmp

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