mirai | 331bebe826a14405235d045ae84311f010d09e8055e2613d564a3486d33d19a8

Analysis

max time kernel
148s
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
14-12-2024 04:13

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

c71c786ee8f5e62b1841eb25c0a8b993
SHA1

e68c120009c4c4fa822fa2a917da0dc8907442dc
SHA256

331bebe826a14405235d045ae84311f010d09e8055e2613d564a3486d33d19a8
SHA512

306e0ac515172b42c68d84576c8c481208bccf656ff86e4a06715c708df76b04a461bdd6c8d96d0f19665dbf9dd5c0528a5ebea9aa8754e673f5be270e367e10
SSDEEP

768:5/TYCoIxdEk+AxoTZAZHFeq8b3t9q3UELbUXfi6nVMQHI4vcGpvn:5ECFd+A6YHAxALRQZn

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/645/cmdline	boatnet.arm7.elf
File opened for reading	/proc/661/cmdline	boatnet.arm7.elf
File opened for reading	/proc/697/cmdline	boatnet.arm7.elf
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/709/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/753/cmdline	boatnet.arm7.elf
File opened for reading	/proc/646/cmdline	boatnet.arm7.elf
File opened for reading	/proc/714/cmdline	boatnet.arm7.elf
File opened for reading	/proc/664/cmdline	boatnet.arm7.elf
File opened for reading	/proc/682/cmdline	boatnet.arm7.elf
File opened for reading	/proc/629/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:704

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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