mirai | c94a0f058290df3d994f7d3c3f3793500af0f532093e92465c065aee24a9880f

Analysis

max time kernel
149s
max time network
143s
platform
debian-12_armhf
resource
debian12-armhf-20240418-en
resource tags

arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
31-12-2024 17:22

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General

Target

boatnet.arm7.elf
Size

54KB
MD5

9cf763aa80feb299871df334d5f46de2
SHA1

2f3f06d5778c8d8da333419c0962a0a5a84832c8
SHA256

c94a0f058290df3d994f7d3c3f3793500af0f532093e92465c065aee24a9880f
SHA512

ad4959f608cb799e72dc17b085d4914bd4c6fbbb8c52b9e804f014191f95a0cf0636cf455d25f6ae60cdcfffb1a0ec286421e275a92112e8fdf8092eb70ba6d9
SSDEEP

768:GBcIDXUCoONGNHggX6Ig+FChj+YFFX1JiX8ZISsWboGgU9q3UELAJZka5dyY7zjW:eDjNw2KK6kbfvMGg9Lef7z81t6NM

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 13 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/646/cmdline	boatnet.arm7.elf
File opened for reading	/proc/662/cmdline	boatnet.arm7.elf
File opened for reading	/proc/665/cmdline	boatnet.arm7.elf
File opened for reading	/proc/697/cmdline	boatnet.arm7.elf
File opened for reading	/proc/703/cmdline	boatnet.arm7.elf
File opened for reading	/proc/710/cmdline	boatnet.arm7.elf
File opened for reading	/proc/714/cmdline	boatnet.arm7.elf
File opened for reading	/proc/629/cmdline	boatnet.arm7.elf
File opened for reading	/proc/630/cmdline	boatnet.arm7.elf
File opened for reading	/proc/647/cmdline	boatnet.arm7.elf
File opened for reading	/proc/679/cmdline	boatnet.arm7.elf
File opened for reading	/proc/702/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	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:705

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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