mirai | e255f8fc2d7dd9a15211d4ade0c698f46135a128555d336ce33c2a58562cb6d3

Analysis

max time kernel
149s
max time network
159s
platform
debian-12_armhf
resource
debian12-armhf-20240221-en
resource tags

arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
31-01-2025 20:32

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

10d224fe7d5579ce9c4dc2a32553edf7
SHA1

cd14818a597d9885d5018656715d451bcccbb10d
SHA256

e255f8fc2d7dd9a15211d4ade0c698f46135a128555d336ce33c2a58562cb6d3
SHA512

d513b3ed626e6fc5ecb95713ae9f01007dec83b49f65c7fc36869ac3dd7dee27ffe244f1b821e56abf4ce7462d8dc3231b93bfb8582771f81fcf715327907f79
SSDEEP

768:MfeioeB5Xopda18yxgJiEDMae7M3vVX9q3UELUoWInT5QM0wg8RDCeiAG:MfVv9GJVDMaAMNmLDbT7g8RmdAG

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/631/cmdline	boatnet.arm7.elf
File opened for reading	/proc/663/cmdline	boatnet.arm7.elf
File opened for reading	/proc/665/cmdline	boatnet.arm7.elf
File opened for reading	/proc/679/cmdline	boatnet.arm7.elf
File opened for reading	/proc/716/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/629/cmdline	boatnet.arm7.elf
File opened for reading	/proc/647/cmdline	boatnet.arm7.elf
File opened for reading	/proc/648/cmdline	boatnet.arm7.elf
File opened for reading	/proc/701/cmdline	boatnet.arm7.elf
File opened for reading	/proc/707/cmdline	boatnet.arm7.elf
File opened for reading	/proc/708/cmdline	boatnet.arm7.elf
File opened for reading	/proc/724/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:710

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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