mirai | 454fef5155446e10661777d727116339071d6f48c69c83c071e72fe793f2b722

Analysis

max time kernel
149s
max time network
149s
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
08-01-2025 20:01

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

38d4de9f049a7e3f9c87a8b83b2d9b4c
SHA1

67e447e805c8ccecb50b85a3d953d66b37cb7c6e
SHA256

454fef5155446e10661777d727116339071d6f48c69c83c071e72fe793f2b722
SHA512

81aa18aeb11082e8ff3fa45ad929517959ade0df6fe09738d35d8e2582ddf1a30bb808b22040e6e2186cd14dea6f66e74b530ec4f60420bb3446deef16149ef3
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b3aw9q3UELbUXfi6nVMQHI4vcGpvo:gECFd+A6YHAxa5LRQZo

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/661/cmdline	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/706/cmdline	boatnet.arm7.elf
File opened for reading	/proc/713/cmdline	boatnet.arm7.elf
File opened for reading	/proc/629/cmdline	boatnet.arm7.elf
File opened for reading	/proc/646/cmdline	boatnet.arm7.elf
File opened for reading	/proc/753/cmdline	boatnet.arm7.elf
File opened for reading	/proc/705/cmdline	boatnet.arm7.elf
File opened for reading	/proc/722/cmdline	boatnet.arm7.elf
File opened for reading	/proc/665/cmdline	boatnet.arm7.elf
File opened for reading	/proc/698/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/645/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:708

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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