mirai | 1535853ed1b235db59792193b14a27b2b939ec5d571296441ff6ef435e10ecb1

Analysis

max time kernel
149s
max time network
150s
platform
debian-12_armhf
resource
debian12-armhf-20240418-en
resource tags

arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
14-02-2025 23:38

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

30e2a5faa9f0a3a176891682261e89f5
SHA1

812a5bb53986ccb21adbc582c4abf6413a1959fa
SHA256

1535853ed1b235db59792193b14a27b2b939ec5d571296441ff6ef435e10ecb1
SHA512

5b67ae27d5add96b2fabc3a2e5ea45abe9c05de7675e0cd5d5cfc6ecd234f9e7eda2e8dbcf621f9ab7a6fc6b0ec9cb56921432a91ee7b2c0cc300af8e85e324b
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b3kooR9q3UELbUXfi6nVMQHI4vcGpv8:gECFd+A6YHAxkonLRQZ8

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 14 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/708/cmdline	boatnet.arm7.elf
File opened for reading	/proc/721/cmdline	boatnet.arm7.elf
File opened for reading	/proc/635/cmdline	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/644/cmdline	boatnet.arm7.elf
File opened for reading	/proc/659/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/643/cmdline	boatnet.arm7.elf
File opened for reading	/proc/701/cmdline	boatnet.arm7.elf
File opened for reading	/proc/662/cmdline	boatnet.arm7.elf
File opened for reading	/proc/695/cmdline	boatnet.arm7.elf
File opened for reading	/proc/700/cmdline	boatnet.arm7.elf
File opened for reading	/proc/743/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:702

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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