mirai | fd780f0843744706100c92a4048002e784acbb16019a75d97732560a6773d189

Analysis

max time kernel
149s
max time network
146s
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
25-01-2025 15:47

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

447250cf8f5a2530ab2591e983c0783e
SHA1

33fd6c02928ecdd8209120ea0ca3da856f868886
SHA256

fd780f0843744706100c92a4048002e784acbb16019a75d97732560a6773d189
SHA512

b7bceae7b886394bfa6973340e107dc5add6d9b2fe76d8a3bf645fb72882170d11931fc4d5af34ddd03c6c73b1561f376b8973f80a5a8122f25f846995cca5df
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b3d89q3UELbUXfi6nVMQHI4vcGpvK:gECFd+A6YHAxdFLRQZK

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 16 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/639/cmdline	boatnet.arm7.elf
File opened for reading	/proc/655/cmdline	boatnet.arm7.elf
File opened for reading	/proc/702/cmdline	boatnet.arm7.elf
File opened for reading	/proc/711/cmdline	boatnet.arm7.elf
File opened for reading	/proc/640/cmdline	boatnet.arm7.elf
File opened for reading	/proc/658/cmdline	boatnet.arm7.elf
File opened for reading	/proc/675/cmdline	boatnet.arm7.elf
File opened for reading	/proc/689/cmdline	boatnet.arm7.elf
File opened for reading	/proc/671/cmdline	boatnet.arm7.elf
File opened for reading	/proc/694/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/624/cmdline	boatnet.arm7.elf
File opened for reading	/proc/695/cmdline	boatnet.arm7.elf
File opened for reading	/proc/712/cmdline	boatnet.arm7.elf
File opened for reading	/proc/717/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:696

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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