mirai | 0529d0ee6e10606cc2e74cd34245c35b1db7df1c31ea034e7086a28dc9450c0d

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
18-11-2024 17:31

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

db67c952830b8b1f6ae914a1ff879a25
SHA1

9273ff3fff169e1a33b6e5c97565ddacc27cb0f0
SHA256

0529d0ee6e10606cc2e74cd34245c35b1db7df1c31ea034e7086a28dc9450c0d
SHA512

03a217e0a84fa4e5d2a274bdf66bf555280c91a27c1ef5722ff6a8e9ba31bac26043cc08c2ac2350c9c7ee0767ca66dcfd589e2bedba8475394ad72a755e13d2
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b3B9q3UELbUXfi6nVMQHI4vcGpvA:DECFd+A6YHAx0LRQZA

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.arm7.elf

description ioc process

File opened for modification /dev/watchdog boatnet.arm7.elf
File opened for modification /dev/misc/watchdog boatnet.arm7.elf
Enumerates running processes
Discovers information about currently running processes on the system
Writes file to system bin folder 2 IoCs

Processes:

boatnet.arm7.elf

description ioc process

File opened for modification /sbin/watchdog boatnet.arm7.elf
File opened for modification /bin/watchdog boatnet.arm7.elf

description	ioc	process
File opened for modification	/dev/watchdog	boatnet.arm7.elf
File opened for modification	/dev/misc/watchdog	boatnet.arm7.elf

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 34 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

boatnet.arm7.elf

description	ioc	process
File opened for reading	/proc/721/cmdline	boatnet.arm7.elf
File opened for reading	/proc/731/cmdline	boatnet.arm7.elf
File opened for reading	/proc/739/cmdline	boatnet.arm7.elf
File opened for reading	/proc/755/cmdline	boatnet.arm7.elf
File opened for reading	/proc/763/cmdline	boatnet.arm7.elf
File opened for reading	/proc/773/cmdline	boatnet.arm7.elf
File opened for reading	/proc/605/cmdline	boatnet.arm7.elf
File opened for reading	/proc/609/cmdline	boatnet.arm7.elf
File opened for reading	/proc/653/cmdline	boatnet.arm7.elf
File opened for reading	/proc/664/cmdline	boatnet.arm7.elf
File opened for reading	/proc/787/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/647/cmdline	boatnet.arm7.elf
File opened for reading	/proc/654/cmdline	boatnet.arm7.elf
File opened for reading	/proc/658/cmdline	boatnet.arm7.elf
File opened for reading	/proc/772/cmdline	boatnet.arm7.elf
File opened for reading	/proc/778/cmdline	boatnet.arm7.elf
File opened for reading	/proc/729/cmdline	boatnet.arm7.elf
File opened for reading	/proc/782/cmdline	boatnet.arm7.elf
File opened for reading	/proc/791/cmdline	boatnet.arm7.elf
File opened for reading	/proc/589/cmdline	boatnet.arm7.elf
File opened for reading	/proc/780/cmdline	boatnet.arm7.elf
File opened for reading	/proc/607/cmdline	boatnet.arm7.elf
File opened for reading	/proc/652/cmdline	boatnet.arm7.elf
File opened for reading	/proc/717/cmdline	boatnet.arm7.elf
File opened for reading	/proc/770/cmdline	boatnet.arm7.elf
File opened for reading	/proc/679/cmdline	boatnet.arm7.elf
File opened for reading	/proc/765/cmdline	boatnet.arm7.elf
File opened for reading	/proc/774/cmdline	boatnet.arm7.elf
File opened for reading	/proc/785/cmdline	boatnet.arm7.elf
File opened for reading	/proc/789/cmdline	boatnet.arm7.elf
File opened for reading	/proc/610/cmdline	boatnet.arm7.elf
File opened for reading	/proc/776/cmdline	boatnet.arm7.elf
File opened for reading	/proc/784/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:655

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/655-1-0x00008000-0x00026464-memory.dmp

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