mirai | 8055d1057bf9d9a21d73508a236484597e40bc0d12a78a1c3dcde8695f196c55

Analysis

max time kernel
149s
max time network
16s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
02-01-2025 00:31

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General

Target

arm.elf
Size

21KB
MD5

1f5ed7a68ba3d85e1f6f5a58cdcfd64d
SHA1

693c7de4aea5da8815a5da4895b98ef01139b785
SHA256

8055d1057bf9d9a21d73508a236484597e40bc0d12a78a1c3dcde8695f196c55
SHA512

66e61df6dfe5db8a49ae6c541b5cc006781e794a273a932e25cb5ceaebe0d67463d5091bab8f692a16330638dc5124bb6bccf1adcccbc50be896fa2dc8307704
SSDEEP

384:vvtIoZxrSniaXs+qx+bwqPX+VOcFd5fHq52lxjFRhymdGUop5hK:vvQn4j+ZO5fKAlxJRs3Uozo

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

Reads runtime system information 31 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/585/cmdline	arm.elf
File opened for reading	/proc/591/cmdline	arm.elf
File opened for reading	/proc/705/cmdline	arm.elf
File opened for reading	/proc/757/cmdline	arm.elf
File opened for reading	/proc/759/cmdline	arm.elf
File opened for reading	/proc/588/cmdline	arm.elf
File opened for reading	/proc/719/cmdline	arm.elf
File opened for reading	/proc/771/cmdline	arm.elf
File opened for reading	/proc/643/cmdline	arm.elf
File opened for reading	/proc/701/cmdline	arm.elf
File opened for reading	/proc/748/cmdline	arm.elf
File opened for reading	/proc/755/cmdline	arm.elf
File opened for reading	/proc/641/cmdline	arm.elf
File opened for reading	/proc/763/cmdline	arm.elf
File opened for reading	/proc/773/cmdline	arm.elf
File opened for reading	/proc/635/cmdline	arm.elf
File opened for reading	/proc/637/cmdline	arm.elf
File opened for reading	/proc/673/cmdline	arm.elf
File opened for reading	/proc/self/exe	arm.elf
File opened for reading	/proc/570/cmdline	arm.elf
File opened for reading	/proc/590/cmdline	arm.elf
File opened for reading	/proc/636/cmdline	arm.elf
File opened for reading	/proc/746/cmdline	arm.elf
File opened for reading	/proc/630/cmdline	arm.elf
File opened for reading	/proc/713/cmdline	arm.elf
File opened for reading	/proc/775/cmdline	arm.elf
File opened for reading	/proc/750/cmdline	arm.elf
File opened for reading	/proc/761/cmdline	arm.elf
File opened for reading	/proc/765/cmdline	arm.elf
File opened for reading	/proc/767/cmdline	arm.elf
File opened for reading	/proc/769/cmdline	arm.elf

/tmp/arm.elf
/tmp/arm.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:638

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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