mirai | fcf97f7fd85a631801ce75f88348fb65665dc7979735a0343f918d96ba9b5ab6

Analysis

max time kernel
149s
max time network
4s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
26-12-2024 14:07

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General

Target

boatnet.arm7.elf
Size

54KB
MD5

981c4b70b3a2998ef70f31f3336f584b
SHA1

c9a8fd187bef4247d5f80872a3dc4713f31af321
SHA256

fcf97f7fd85a631801ce75f88348fb65665dc7979735a0343f918d96ba9b5ab6
SHA512

918b77bed37cfa21a494f1804ed904480906e6492d9aedb0fa1a9f496fa338ecff316d674f207063a45010218ef50f4d13c613aef90f932baeff67eae1267d7a
SSDEEP

1536:4IHiFvo89yZXGH3+0BuSM9LwFFOzML6tBiMvcI:4Xvo89y9QAt9LwJL23v/

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

Enumerates running processes
Discovers information about currently running processes on the system

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/bin/watchdog	boatnet.arm7.elf
File opened for modification	/sbin/watchdog	boatnet.arm7.elf

Reads runtime system information 32 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/580/cmdline	boatnet.arm7.elf
File opened for reading	/proc/772/cmdline	boatnet.arm7.elf
File opened for reading	/proc/747/cmdline	boatnet.arm7.elf
File opened for reading	/proc/755/cmdline	boatnet.arm7.elf
File opened for reading	/proc/770/cmdline	boatnet.arm7.elf
File opened for reading	/proc/638/cmdline	boatnet.arm7.elf
File opened for reading	/proc/645/cmdline	boatnet.arm7.elf
File opened for reading	/proc/773/cmdline	boatnet.arm7.elf
File opened for reading	/proc/783/cmdline	boatnet.arm7.elf
File opened for reading	/proc/764/cmdline	boatnet.arm7.elf
File opened for reading	/proc/766/cmdline	boatnet.arm7.elf
File opened for reading	/proc/762/cmdline	boatnet.arm7.elf
File opened for reading	/proc/768/cmdline	boatnet.arm7.elf
File opened for reading	/proc/775/cmdline	boatnet.arm7.elf
File opened for reading	/proc/777/cmdline	boatnet.arm7.elf
File opened for reading	/proc/713/cmdline	boatnet.arm7.elf
File opened for reading	/proc/757/cmdline	boatnet.arm7.elf
File opened for reading	/proc/779/cmdline	boatnet.arm7.elf
File opened for reading	/proc/781/cmdline	boatnet.arm7.elf
File opened for reading	/proc/600/cmdline	boatnet.arm7.elf
File opened for reading	/proc/678/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/643/cmdline	boatnet.arm7.elf
File opened for reading	/proc/644/cmdline	boatnet.arm7.elf
File opened for reading	/proc/727/cmdline	boatnet.arm7.elf
File opened for reading	/proc/728/cmdline	boatnet.arm7.elf
File opened for reading	/proc/598/cmdline	boatnet.arm7.elf
File opened for reading	/proc/601/cmdline	boatnet.arm7.elf
File opened for reading	/proc/654/cmdline	boatnet.arm7.elf
File opened for reading	/proc/709/cmdline	boatnet.arm7.elf
File opened for reading	/proc/595/cmdline	boatnet.arm7.elf
File opened for reading	/proc/649/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:646

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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