mirai | 7a15574774ebe273a94d072c3de699220e7b977e224fb50f172a95f8db07f768

Analysis

max time kernel
150s
max time network
153s
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
02-01-2025 04:21

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General

Target

wind.arm7.elf
Size

45KB
MD5

2783e361b89161f63de2ff6247a5a493
SHA1

b870328c8f8a4a2be4f6d279d6c486400254ef73
SHA256

7a15574774ebe273a94d072c3de699220e7b977e224fb50f172a95f8db07f768
SHA512

694bb82129773ca4078106fe0096f5b7bda4389170cdd953307fe43b08cf765bb7d3b78b75214262ef4307e73a25ca1d479205773d0656840682f9ded33f6dd2
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b36n29q3UELbUXfi6nVMQHI4vcGpv3:DECFd+A6YHAx6nbLRQZ3

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	wind.arm7.elf
File opened for modification	/dev/misc/watchdog	wind.arm7.elf

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	wind.arm7.elf
File opened for modification	/bin/watchdog	wind.arm7.elf

Reads runtime system information 13 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/649/cmdline	wind.arm7.elf
File opened for reading	/proc/665/cmdline	wind.arm7.elf
File opened for reading	/proc/668/cmdline	wind.arm7.elf
File opened for reading	/proc/708/cmdline	wind.arm7.elf
File opened for reading	/proc/727/cmdline	wind.arm7.elf
File opened for reading	/proc/716/cmdline	wind.arm7.elf
File opened for reading	/proc/self/exe	wind.arm7.elf
File opened for reading	/proc/632/cmdline	wind.arm7.elf
File opened for reading	/proc/634/cmdline	wind.arm7.elf
File opened for reading	/proc/650/cmdline	wind.arm7.elf
File opened for reading	/proc/681/cmdline	wind.arm7.elf
File opened for reading	/proc/702/cmdline	wind.arm7.elf
File opened for reading	/proc/707/cmdline	wind.arm7.elf

/tmp/wind.arm7.elf
/tmp/wind.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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