mirai | bffc0b923efab28f6fa96aa9db459193da608dd26226124dfeecbe3957602869

Analysis

max time kernel
149s
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
30-12-2024 21:28

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

3dee7a742c3240832d92af16796cbf41
SHA1

be1443888c2bbfd454511ae89d7088a48f704fdc
SHA256

bffc0b923efab28f6fa96aa9db459193da608dd26226124dfeecbe3957602869
SHA512

d145d1f33d609880468730e3290725e259f3d62b87147de764ee621cababe4ab92045a01cb06d4518cc7e1c8af4e38016cda423dab5d3ac570c60af2d835cec1
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b35sLN9q3UELbUXfi6nVMQHI4vcGpvb:DECFd+A6YHAxqgLRQZb

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 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/704/cmdline	boatnet.arm7.elf
File opened for reading	/proc/705/cmdline	boatnet.arm7.elf
File opened for reading	/proc/713/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
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/698/cmdline	boatnet.arm7.elf
File opened for reading	/proc/728/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/664/cmdline	boatnet.arm7.elf
File opened for reading	/proc/677/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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