mirai | a5a6e6ed77ed9a1faae5e1ddb5a55ceea6cf99f255720f7b159b646fe0032359

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
18-12-2024 14:32

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

e23afc1c0d72fd41a5496599eb302310
SHA1

39b1a28969302e34bf62a1f40f23e8d2afd3f080
SHA256

a5a6e6ed77ed9a1faae5e1ddb5a55ceea6cf99f255720f7b159b646fe0032359
SHA512

797ad56a159ee67e599d9967caf26555ef19424e56fdeda012a1e82df4b26d91d92647d8459967a54d3b6c561a4ccd3bd085657854eaa10ab01e95b12e57bcad
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b3Vm89q3UELbUXfi6nVMQHI4vcGpvJ:DECFd+A6YHAxsFLRQZJ

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

description	ioc	Process
File opened for modification	/dev/watchdog	boatnet.arm7.elf
File opened for modification	/dev/misc/watchdog	boatnet.arm7.elf

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

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/bin/watchdog	boatnet.arm7.elf
File opened for modification	/sbin/watchdog	boatnet.arm7.elf

Reads runtime system information 32 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/709/cmdline	boatnet.arm7.elf
File opened for reading	/proc/580/cmdline	boatnet.arm7.elf
File opened for reading	/proc/598/cmdline	boatnet.arm7.elf
File opened for reading	/proc/644/cmdline	boatnet.arm7.elf
File opened for reading	/proc/649/cmdline	boatnet.arm7.elf
File opened for reading	/proc/739/cmdline	boatnet.arm7.elf
File opened for reading	/proc/776/cmdline	boatnet.arm7.elf
File opened for reading	/proc/659/cmdline	boatnet.arm7.elf
File opened for reading	/proc/755/cmdline	boatnet.arm7.elf
File opened for reading	/proc/764/cmdline	boatnet.arm7.elf
File opened for reading	/proc/768/cmdline	boatnet.arm7.elf
File opened for reading	/proc/773/cmdline	boatnet.arm7.elf
File opened for reading	/proc/778/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/713/cmdline	boatnet.arm7.elf
File opened for reading	/proc/780/cmdline	boatnet.arm7.elf
File opened for reading	/proc/772/cmdline	boatnet.arm7.elf
File opened for reading	/proc/595/cmdline	boatnet.arm7.elf
File opened for reading	/proc/638/cmdline	boatnet.arm7.elf
File opened for reading	/proc/645/cmdline	boatnet.arm7.elf
File opened for reading	/proc/721/cmdline	boatnet.arm7.elf
File opened for reading	/proc/762/cmdline	boatnet.arm7.elf
File opened for reading	/proc/770/cmdline	boatnet.arm7.elf
File opened for reading	/proc/643/cmdline	boatnet.arm7.elf
File opened for reading	/proc/600/cmdline	boatnet.arm7.elf
File opened for reading	/proc/782/cmdline	boatnet.arm7.elf
File opened for reading	/proc/783/cmdline	boatnet.arm7.elf
File opened for reading	/proc/601/cmdline	boatnet.arm7.elf
File opened for reading	/proc/757/cmdline	boatnet.arm7.elf
File opened for reading	/proc/766/cmdline	boatnet.arm7.elf
File opened for reading	/proc/774/cmdline	boatnet.arm7.elf

/tmp/boatnet.arm7.elf
/tmp/boatnet.arm7.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:646

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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