mirai | c2729a12005e0185fafbd2c71873cf60c6c472a2949faffb6a2f422c7dd2fdbe

Analysis

max time kernel
149s
max time network
7s
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
01/12/2024, 01:57

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

7b81230032eda0c976209e08e0f36f8d
SHA1

a932a7360a93384e2205f552321ecc87f011c5b0
SHA256

c2729a12005e0185fafbd2c71873cf60c6c472a2949faffb6a2f422c7dd2fdbe
SHA512

1a5de3ab1be314123c6439de0c5568c5192b23abaa9c6ef118f06506cf20b2c66d1486e3f64f74659cc8f0761233fc1c4f90ed64e8f7db227f8f93e2935241b5
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b3I99q3UELbUXfi6nVMQHI4vcGpvP:DECFd+A6YHAxIQLRQZP

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	/sbin/watchdog	boatnet.arm7.elf
File opened for modification	/bin/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/self/exe	boatnet.arm7.elf
File opened for reading	/proc/649/cmdline	boatnet.arm7.elf
File opened for reading	/proc/708/cmdline	boatnet.arm7.elf
File opened for reading	/proc/744/cmdline	boatnet.arm7.elf
File opened for reading	/proc/767/cmdline	boatnet.arm7.elf
File opened for reading	/proc/638/cmdline	boatnet.arm7.elf
File opened for reading	/proc/643/cmdline	boatnet.arm7.elf
File opened for reading	/proc/720/cmdline	boatnet.arm7.elf
File opened for reading	/proc/728/cmdline	boatnet.arm7.elf
File opened for reading	/proc/776/cmdline	boatnet.arm7.elf
File opened for reading	/proc/778/cmdline	boatnet.arm7.elf
File opened for reading	/proc/595/cmdline	boatnet.arm7.elf
File opened for reading	/proc/675/cmdline	boatnet.arm7.elf
File opened for reading	/proc/754/cmdline	boatnet.arm7.elf
File opened for reading	/proc/756/cmdline	boatnet.arm7.elf
File opened for reading	/proc/763/cmdline	boatnet.arm7.elf
File opened for reading	/proc/598/cmdline	boatnet.arm7.elf
File opened for reading	/proc/600/cmdline	boatnet.arm7.elf
File opened for reading	/proc/656/cmdline	boatnet.arm7.elf
File opened for reading	/proc/712/cmdline	boatnet.arm7.elf
File opened for reading	/proc/580/cmdline	boatnet.arm7.elf
File opened for reading	/proc/765/cmdline	boatnet.arm7.elf
File opened for reading	/proc/780/cmdline	boatnet.arm7.elf
File opened for reading	/proc/782/cmdline	boatnet.arm7.elf
File opened for reading	/proc/644/cmdline	boatnet.arm7.elf
File opened for reading	/proc/645/cmdline	boatnet.arm7.elf
File opened for reading	/proc/769/cmdline	boatnet.arm7.elf
File opened for reading	/proc/772/cmdline	boatnet.arm7.elf
File opened for reading	/proc/601/cmdline	boatnet.arm7.elf
File opened for reading	/proc/761/cmdline	boatnet.arm7.elf
File opened for reading	/proc/770/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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