mirai | 15d40ed0493c13580466a1fcef9b098b01d14bfe1a22e16fe7b7657911cc458e

Analysis

max time kernel
148s
max time network
131s
platform
debian-12_armhf
resource
debian12-armhf-20240418-en
resource tags

arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
05-02-2025 00:47

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

b498c4f1a5c5238d43c22a3fb371c986
SHA1

a71c9f2a39b1922dcc8b3d079759ddc10142c18e
SHA256

15d40ed0493c13580466a1fcef9b098b01d14bfe1a22e16fe7b7657911cc458e
SHA512

097d629639f830484ea6cf176924401c25311e0fcff6d0a27dfe672d40606eb8ee51364e3e5a57d0588c0cf03bf9fa6931c1980eb531321533ac9c324e748133
SSDEEP

768:pkkvEhUALr3fRyKbdPXNt5B4qCXGSG2dVUG809q3UEL/X4ezjo1GK63RrlLxSyBy:pkl1fNPXD4vXGSG2dMdL/Jjo7i1l9PRO

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/698/cmdline	boatnet.arm7.elf
File opened for reading	/proc/703/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/630/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/663/cmdline	boatnet.arm7.elf
File opened for reading	/proc/664/cmdline	boatnet.arm7.elf
File opened for reading	/proc/720/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/704/cmdline	boatnet.arm7.elf
File opened for reading	/proc/710/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:706

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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