mirai | 848893915d88849196906abfb8fa7a8fa9fc561c8d7f6800344dc722cf057036

Analysis

max time kernel
149s
max time network
11s
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
01/12/2024, 09:02

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General

Target

boatnet.arm.elf
Size

21KB
MD5

88e8850169a42720de0ee619575e43ec
SHA1

82cea4b59e1fb1ea8b4090113a16dbdc7b0e70f3
SHA256

848893915d88849196906abfb8fa7a8fa9fc561c8d7f6800344dc722cf057036
SHA512

762eb669265a51c92dc3f10e9739faedd4d034011269b9ac5ae9c5411f2d4321f558805fa1954308eef873bb8fa6385fd5fcd11043f38ae59cace43c292adbcb
SSDEEP

384:UvtIoZxrSniaXs+qx+bwqPX+VOcFd5fHq52lxjnTG3gMhymdGUop5h+:UvQn4j+ZO5fKAlxXAgMs3UozM

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

Reads runtime system information 34 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/600/cmdline	boatnet.arm.elf
File opened for reading	/proc/655/cmdline	boatnet.arm.elf
File opened for reading	/proc/720/cmdline	boatnet.arm.elf
File opened for reading	/proc/793/cmdline	boatnet.arm.elf
File opened for reading	/proc/597/cmdline	boatnet.arm.elf
File opened for reading	/proc/599/cmdline	boatnet.arm.elf
File opened for reading	/proc/606/cmdline	boatnet.arm.elf
File opened for reading	/proc/732/cmdline	boatnet.arm.elf
File opened for reading	/proc/773/cmdline	boatnet.arm.elf
File opened for reading	/proc/791/cmdline	boatnet.arm.elf
File opened for reading	/proc/607/cmdline	boatnet.arm.elf
File opened for reading	/proc/768/cmdline	boatnet.arm.elf
File opened for reading	/proc/659/cmdline	boatnet.arm.elf
File opened for reading	/proc/662/cmdline	boatnet.arm.elf
File opened for reading	/proc/758/cmdline	boatnet.arm.elf
File opened for reading	/proc/776/cmdline	boatnet.arm.elf
File opened for reading	/proc/783/cmdline	boatnet.arm.elf
File opened for reading	/proc/self/exe	boatnet.arm.elf
File opened for reading	/proc/649/cmdline	boatnet.arm.elf
File opened for reading	/proc/664/cmdline	boatnet.arm.elf
File opened for reading	/proc/742/cmdline	boatnet.arm.elf
File opened for reading	/proc/777/cmdline	boatnet.arm.elf
File opened for reading	/proc/787/cmdline	boatnet.arm.elf
File opened for reading	/proc/654/cmdline	boatnet.arm.elf
File opened for reading	/proc/724/cmdline	boatnet.arm.elf
File opened for reading	/proc/766/cmdline	boatnet.arm.elf
File opened for reading	/proc/775/cmdline	boatnet.arm.elf
File opened for reading	/proc/785/cmdline	boatnet.arm.elf
File opened for reading	/proc/596/cmdline	boatnet.arm.elf
File opened for reading	/proc/656/cmdline	boatnet.arm.elf
File opened for reading	/proc/765/cmdline	boatnet.arm.elf
File opened for reading	/proc/789/cmdline	boatnet.arm.elf
File opened for reading	/proc/779/cmdline	boatnet.arm.elf
File opened for reading	/proc/781/cmdline	boatnet.arm.elf

/tmp/boatnet.arm.elf
/tmp/boatnet.arm.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:658

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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