mirai | 09249f0de05e521c3eda4d43d09343f6108d3f59cd5d3056e5dbfcfb4cca342f

Analysis

max time kernel
149s
max time network
148s
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
15/12/2024, 20:38

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

7e09c5fd1a2407b1af66d5b00b12d87f
SHA1

10f034c43ccb844574aeb5bcd1dfcfe70050a2e5
SHA256

09249f0de05e521c3eda4d43d09343f6108d3f59cd5d3056e5dbfcfb4cca342f
SHA512

c966ae3f60ed07b150b2f1f9f964a186bd2c811dcc0cb386290e60188c9104fc49e6f515448347d4908891f3d5ceeff8b068ead4750230ec29f3053f7a77b95d
SSDEEP

768:g/TYCoIxYc7rI0QBsRvNlJxiWO6i9q3UELbUXfi6nVMQHI4vcGpvY:gECFScnmBsRvNlJxiW9XLRQZY

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/698/cmdline	boatnet.arm7.elf
File opened for reading	/proc/664/cmdline	boatnet.arm7.elf
File opened for reading	/proc/630/cmdline	boatnet.arm7.elf
File opened for reading	/proc/703/cmdline	boatnet.arm7.elf
File opened for reading	/proc/704/cmdline	boatnet.arm7.elf
File opened for reading	/proc/726/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/712/cmdline	boatnet.arm7.elf
File opened for reading	/proc/724/cmdline	boatnet.arm7.elf
File opened for reading	/proc/681/cmdline	boatnet.arm7.elf
File opened for reading	/proc/646/cmdline	boatnet.arm7.elf
File opened for reading	/proc/661/cmdline	boatnet.arm7.elf
File opened for reading	/proc/677/cmdline	boatnet.arm7.elf
File opened for reading	/proc/729/cmdline	boatnet.arm7.elf
File opened for reading	/proc/730/cmdline	boatnet.arm7.elf
File opened for reading	/proc/645/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:707

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

Windows 7 deprecation

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