mirai | 42b0d0fd68da41b45fd9600bbf6561fda6adddac35adafc361357fd6cc87dc2f

Analysis

max time kernel
149s
max time network
140s
platform
debian-12_armhf
resource
debian12-armhf-20260513-en
resource tags

arch:armhfimage:debian12-armhf-20260513-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
25/05/2026, 22:15

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General

Target
boatnet.arm7.elf
Size 75KB
Sample260525-16hjmsgv8q
SHA256 42b0d0fd68da41b45fd9600bbf6561fda6adddac35adafc361357fd6cc87dc2f
MD5 fc067b5b5f907d0b8525b5e9632438b3
SHA1 819db907da2292af044c11e64dd4b86ae815ce47
SHA512 1058e52d8dd1bcb19f681750949e86d8b70982646fe25f35182de46b130341de1e34898e65596f13581066a7cac85a24a7f339385b8bcdf7c43858eb7e9dcf18
SSDEEP 1536:V8IHq+kgs7VI83wgrzlEFSPO/hcoiisjuq5Z14+CGKLtBcGXUqh9+sadEO3dzzUX:SIHq+kOQwgrBEEO/h7iF6q5v4+vKL052
TLSH
T16F7302083489E111EF110B76989928C98841A9D5D0ED71EF322A5E2DCDCFDA32DBFD97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

botnet lzrd defense_evasion discovery mirai

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

Family: Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet 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 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/675/cmdline	boatnet.arm7.elf
File opened for reading	/proc/791/cmdline	boatnet.arm7.elf
File opened for reading	/proc/801/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/623/cmdline	boatnet.arm7.elf
File opened for reading	/proc/643/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/729/cmdline	boatnet.arm7.elf
File opened for reading	/proc/767/cmdline	boatnet.arm7.elf
File opened for reading	/proc/782/cmdline	boatnet.arm7.elf
File opened for reading	/proc/783/cmdline	boatnet.arm7.elf
File opened for reading	/proc/642/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:784

Network

MITRE ATT&CK Enterprise v16

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 v16

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