mirai | 329c3a5d8bfb865d1317176419627044cfced32be9704f1f878fc805fe0d15b0

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
02-01-2025 22:22

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General

Target

wind.arm.elf
Size

25KB
MD5

d72a530e0c39154ca967c0a5eefcc436
SHA1

7850a1a4ee4235393dfd4b60b85e247291cdffe4
SHA256

329c3a5d8bfb865d1317176419627044cfced32be9704f1f878fc805fe0d15b0
SHA512

c02f074c421ffd26b7537726d7f5426076c333da7e98510c7ba87660079994e7bef16a5629b51232799bb26c371b505f0c607ac099eb3b8c5cb08f4c90b1a798
SSDEEP

768:WbrQ9NZTs+lQFej5Xu4+rHJrBprs3UozVG:WY9NZoxuuRBwzw

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

Enumerates running processes
Discovers information about currently running processes on the system

Writes file to system bin folder 2 IoCs

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

Reads runtime system information 35 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/653/cmdline	wind.arm.elf
File opened for reading	/proc/754/cmdline	wind.arm.elf
File opened for reading	/proc/764/cmdline	wind.arm.elf
File opened for reading	/proc/782/cmdline	wind.arm.elf
File opened for reading	/proc/591/cmdline	wind.arm.elf
File opened for reading	/proc/771/cmdline	wind.arm.elf
File opened for reading	/proc/758/cmdline	wind.arm.elf
File opened for reading	/proc/633/cmdline	wind.arm.elf
File opened for reading	/proc/712/cmdline	wind.arm.elf
File opened for reading	/proc/762/cmdline	wind.arm.elf
File opened for reading	/proc/self/exe	wind.arm.elf
File opened for reading	/proc/639/cmdline	wind.arm.elf
File opened for reading	/proc/646/cmdline	wind.arm.elf
File opened for reading	/proc/742/cmdline	wind.arm.elf
File opened for reading	/proc/770/cmdline	wind.arm.elf
File opened for reading	/proc/579/cmdline	wind.arm.elf
File opened for reading	/proc/650/cmdline	wind.arm.elf
File opened for reading	/proc/708/cmdline	wind.arm.elf
File opened for reading	/proc/774/cmdline	wind.arm.elf
File opened for reading	/proc/645/cmdline	wind.arm.elf
File opened for reading	/proc/600/cmdline	wind.arm.elf
File opened for reading	/proc/743/cmdline	wind.arm.elf
File opened for reading	/proc/756/cmdline	wind.arm.elf
File opened for reading	/proc/778/cmdline	wind.arm.elf
File opened for reading	/proc/779/cmdline	wind.arm.elf
File opened for reading	/proc/578/cmdline	wind.arm.elf
File opened for reading	/proc/784/cmdline	wind.arm.elf
File opened for reading	/proc/776/cmdline	wind.arm.elf
File opened for reading	/proc/644/cmdline	wind.arm.elf
File opened for reading	/proc/724/cmdline	wind.arm.elf
File opened for reading	/proc/766/cmdline	wind.arm.elf
File opened for reading	/proc/768/cmdline	wind.arm.elf
File opened for reading	/proc/772/cmdline	wind.arm.elf
File opened for reading	/proc/780/cmdline	wind.arm.elf
File opened for reading	/proc/581/cmdline	wind.arm.elf

/tmp/wind.arm.elf
/tmp/wind.arm.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:647

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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