mirai | 9c43d37d7503507f35de4ccea49b669faab19ea816d99f7a2370b2607ea3efcf

Analysis

max time kernel
149s
max time network
140s
platform
debian-12_armhf
resource
debian12-armhf-20240729-en
resource tags

arch:armhfimage:debian12-armhf-20240729-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
07-02-2025 23:52

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

b4bface069a6199d0803c7510332d5d6
SHA1

17767b79f02ae1e85af6da12dab5a91685afe6f9
SHA256

9c43d37d7503507f35de4ccea49b669faab19ea816d99f7a2370b2607ea3efcf
SHA512

76ee463dac0335161633c24a9076907ba214081b15fb9286d2f605e0b10f3723fb33c0e830b79300dde6a0b0465880c9d417077e0d64bf5a39f9335a28f2cbd2
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b3J9q3UELbUXfi6nVMQHI4vcGpvZ:DECFd+A6YHAx8LRQZZ

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 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/701/cmdline	boatnet.arm7.elf
File opened for reading	/proc/702/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/630/cmdline	boatnet.arm7.elf
File opened for reading	/proc/647/cmdline	boatnet.arm7.elf
File opened for reading	/proc/662/cmdline	boatnet.arm7.elf
File opened for reading	/proc/665/cmdline	boatnet.arm7.elf
File opened for reading	/proc/678/cmdline	boatnet.arm7.elf
File opened for reading	/proc/709/cmdline	boatnet.arm7.elf
File opened for reading	/proc/718/cmdline	boatnet.arm7.elf
File opened for reading	/proc/646/cmdline	boatnet.arm7.elf
File opened for reading	/proc/696/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:703

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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