mirai | bc815e3b91633b2d342f75776e6343db9ee0748e8e8a74b11df3c7b6c6b4547e

Analysis

max time kernel
149s
max time network
147s
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
18-02-2025 07:08

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

1fd3b03b498a9b858a17684dfac4d8b4
SHA1

4c3bda67aa5326c14b2b3b5ab771bd0483ca09fd
SHA256

bc815e3b91633b2d342f75776e6343db9ee0748e8e8a74b11df3c7b6c6b4547e
SHA512

11dc17d91d5f4db799517e8d2cd9a2b8d6fed7456f02aa1b3781a1d8880e7c81bc153b5a4a0500b92fcdd6416be927388630f5aec30929ca2d64c5126aeb4310
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b31M9q3UELbUXfi6nVMQHI4vcGpvr:DECFd+A6YHAx7LRQZr

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/misc/watchdog	boatnet.arm7.elf
File opened for modification	/dev/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/650/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/705/cmdline	boatnet.arm7.elf
File opened for reading	/proc/711/cmdline	boatnet.arm7.elf
File opened for reading	/proc/704/cmdline	boatnet.arm7.elf
File opened for reading	/proc/718/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/634/cmdline	boatnet.arm7.elf
File opened for reading	/proc/649/cmdline	boatnet.arm7.elf
File opened for reading	/proc/665/cmdline	boatnet.arm7.elf
File opened for reading	/proc/668/cmdline	boatnet.arm7.elf
File opened for reading	/proc/699/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:706

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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