mirai | 32d67ba1a2b31f014a4092f3ec8a41f9f0147f57cdca28ebed8dca28470ef0d0

Analysis

max time kernel
149s
max time network
146s
platform
debian-12_armhf
resource
debian12-armhf-20250619-en
resource tags

arch:armhfimage:debian12-armhf-20250619-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
20/08/2025, 15:07

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General

Target
boatnet.arm7.elf
Size 46KB
Sample250820-shrhmsgp8v
SHA256 32d67ba1a2b31f014a4092f3ec8a41f9f0147f57cdca28ebed8dca28470ef0d0
MD5 3fd2d41e47d90766b1a566ff8abc20f0
SHA1 effee1dfd7ba4bbaf4aa44dcba3a8a4d9a31337a
SHA512 ea6be5b97659fb2a32993ecdce48a9c78d17a8366cd596e49aabf7afe585d3e4fcad14b4172363308794dec475dba5bd5339cd69f56b5e73a3beb38fff5b0c30
SSDEEP 768:THc/MV+wUyFzYfbuRn117BTXW3AGN807+OdTppGLM9q3UEL1BZ3LPB7gwPa7CghQ:T8M3EfaR1Jt+AmQOxTsVL1BdLBVPa7Cl
MD5 SHA1 SHA512 SSDEEP

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 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/622/cmdline	boatnet.arm7.elf
File opened for reading	/proc/639/cmdline	boatnet.arm7.elf
File opened for reading	/proc/670/cmdline	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/730/cmdline	boatnet.arm7.elf
File opened for reading	/proc/774/cmdline	boatnet.arm7.elf
File opened for reading	/proc/788/cmdline	boatnet.arm7.elf
File opened for reading	/proc/640/cmdline	boatnet.arm7.elf
File opened for reading	/proc/760/cmdline	boatnet.arm7.elf
File opened for reading	/proc/773/cmdline	boatnet.arm7.elf
File opened for reading	/proc/802/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:779

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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