mirai | b2f70bb7d7dac80bf956d563f6e97e65909e2b5e08e9e0022c1f621693f8ccbd

Analysis

max time kernel
149s
max time network
138s
platform
debian-12_armhf
resource
debian12-armhf-20240221-en
resource tags

arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
03-01-2025 06:00

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

b596061ea3f1d976a6314afe769a9c34
SHA1

8853bfb626868c32a999a883fed4eb704fe28c11
SHA256

b2f70bb7d7dac80bf956d563f6e97e65909e2b5e08e9e0022c1f621693f8ccbd
SHA512

647f02d5e52e7a0ca155ed989dd564d721d332767236c7e2cab55847e613e1dd104fbdca6fe5f2fa70d3e5a33b1492152cbe48e477a3221ad1aabe3328f7b0df
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b3THP9q3UELbUXfi6nVMQHI4vcGpv+:gECFd+A6YHAxTeLRQZ+

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

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 18 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/645/cmdline	boatnet.arm7.elf
File opened for reading	/proc/663/cmdline	boatnet.arm7.elf
File opened for reading	/proc/708/cmdline	boatnet.arm7.elf
File opened for reading	/proc/729/cmdline	boatnet.arm7.elf
File opened for reading	/proc/763/cmdline	boatnet.arm7.elf
File opened for reading	/proc/629/cmdline	boatnet.arm7.elf
File opened for reading	/proc/644/cmdline	boatnet.arm7.elf
File opened for reading	/proc/660/cmdline	boatnet.arm7.elf
File opened for reading	/proc/765/cmdline	boatnet.arm7.elf
File opened for reading	/proc/767/cmdline	boatnet.arm7.elf
File opened for reading	/proc/771/cmdline	boatnet.arm7.elf
File opened for reading	/proc/805/cmdline	boatnet.arm7.elf
File opened for reading	/proc/679/cmdline	boatnet.arm7.elf
File opened for reading	/proc/709/cmdline	boatnet.arm7.elf
File opened for reading	/proc/787/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/701/cmdline	boatnet.arm7.elf
File opened for reading	/proc/716/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:711

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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