mirai | 39b4443f914dcc252830b7b8bb0d9e122da2034e72d6934b0e265850b4a15d24

Analysis

max time kernel
150s
max time network
14s
platform
debian-12_mipsel
resource
debian12-mipsel-20240729-en
resource tags

arch:mipselimage:debian12-mipsel-20240729-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
submitted
01-11-2024 11:51

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General

Target

boatnet.mpsl.elf
Size

27KB
MD5

35400e9ec135ca7fcdbd254a673c8fc6
SHA1

fc356599b40b2d94e1b9e4aa391572e163c69d9d
SHA256

39b4443f914dcc252830b7b8bb0d9e122da2034e72d6934b0e265850b4a15d24
SHA512

732dcb5ca6332069142a7f0eab0aa1708a12b20721c01a25d30a4963730aa4a833988e4ea7f94630ef5d669afd408362d47a920a6e74a8279f967999d0dec5ea
SSDEEP

768:VBKqSsOWs+jpaYNQdhOO8cXeuvOVd4ukkTwWnA:/nzteGHcVOV5FA

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

Processes:

boatnet.mpsl.elf

description ioc process

File opened for modification /dev/watchdog boatnet.mpsl.elf
File opened for modification /dev/misc/watchdog boatnet.mpsl.elf
Writes file to system bin folder 2 IoCs

Processes:

boatnet.mpsl.elf

description ioc process

File opened for modification /sbin/watchdog boatnet.mpsl.elf
File opened for modification /bin/watchdog boatnet.mpsl.elf

description	ioc	process
File opened for modification	/dev/watchdog	boatnet.mpsl.elf
File opened for modification	/dev/misc/watchdog	boatnet.mpsl.elf

description	ioc	process
File opened for modification	/sbin/watchdog	boatnet.mpsl.elf
File opened for modification	/bin/watchdog	boatnet.mpsl.elf

Reads runtime system information 23 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

boatnet.mpsl.elf

description	ioc	process
File opened for reading	/proc/731/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/750/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/327/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/405/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/407/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/423/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/710/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/721/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/782/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/786/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/352/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/380/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/667/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/679/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/695/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/697/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/745/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/379/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/390/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/394/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/680/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/717/cmdline	boatnet.mpsl.elf
File opened for reading	/proc/732/cmdline	boatnet.mpsl.elf

/tmp/boatnet.mpsl.elf
/tmp/boatnet.mpsl.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:741

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

Replay Monitor

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Downloads

memory/741-1-0x00400000-0x0042bbf4-memory.dmp

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