mirai | 7ef7896d547b48364debdddf21b4ea26cd7b99bca085ed9427faaabdcb04cca6

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240221-en
resource tags

arch:armhfimage:debian9-armhf-20240221-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
22-02-2024 09:05

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General

Target

4a710d3e78f25f62d37d8b17791cd1e7.elf
Size

45KB
MD5

4a710d3e78f25f62d37d8b17791cd1e7
SHA1

d5f090e76885c51eceea58ebf3f6dd01afd42e69
SHA256

7ef7896d547b48364debdddf21b4ea26cd7b99bca085ed9427faaabdcb04cca6
SHA512

805653a23164c5aa06c6b8ef838e6c595ebb1f9c101f6ede29ed05f60d17cb3c02d07a0e82b6b24d392c6c3fa001d2fbe1fdf9a620197476aeadff9d8d75ec7d
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b31h9q3UELbUXfi6nVMQHI4vcGpvI:gECFd+A6YHAx1ULRQZI

Score

10^/10

mirai lzrd botnet

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

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.

Impair Defenses
T1562

Processes:

description ioc

File opened for modification /dev/watchdog
File opened for modification /dev/misc/watchdog
Enumerates running processes
Discovers information about currently running processes on the system
Writes file to system bin folder 1 TTPs 2 IoCs

Hijack Execution Flow
T1574

Processes:

description ioc

File opened for modification /bin/watchdog
File opened for modification /sbin/watchdog

description	ioc
File opened for modification	/dev/watchdog
File opened for modification	/dev/misc/watchdog

description	ioc
File opened for modification	/bin/watchdog
File opened for modification	/sbin/watchdog

Reads runtime system information 31 IoCs

Reads data from /proc virtual filesystem.

Processes:

4a710d3e78f25f62d37d8b17791cd1e7.elf

description	ioc
File opened for reading	/proc/593/cmdline
File opened for reading	/proc/595/cmdline
File opened for reading	/proc/651/cmdline
File opened for reading	/proc/772/cmdline
File opened for reading	/proc/776/cmdline
File opened for reading	/proc/592/cmdline
File opened for reading	/proc/646/cmdline
File opened for reading	/proc/753/cmdline
File opened for reading	/proc/755/cmdline
File opened for reading	/proc/780/cmdline
File opened for reading	/proc/675/cmdline
File opened for reading	/proc/710/cmdline
File opened for reading	/proc/733/cmdline
File opened for reading	/proc/762/cmdline
File opened for reading	/proc/766/cmdline
File opened for reading	/proc/575/cmdline
File opened for reading	/proc/596/cmdline
File opened for reading	/proc/639/cmdline
File opened for reading	/proc/641/cmdline
File opened for reading	/proc/636/cmdline
File opened for reading	/proc/706/cmdline
File opened for reading	/proc/751/cmdline
File opened for reading	/proc/760/cmdline
File opened for reading	/proc/770/cmdline
File opened for reading	/proc/774/cmdline
File opened for reading	/proc/778/cmdline
File opened for reading	/proc/764/cmdline
File opened for reading	/proc/self/exe	4a710d3e78f25f62d37d8b17791cd1e7.elf
File opened for reading	/proc/732/cmdline
File opened for reading	/proc/642/cmdline
File opened for reading	/proc/768/cmdline

/tmp/4a710d3e78f25f62d37d8b17791cd1e7.elf
/tmp/4a710d3e78f25f62d37d8b17791cd1e7.elf
1⤵
- Reads runtime system information
PID:643

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Hijack Execution Flow

T1574

Privilege Escalation

Hijack Execution Flow

T1574

Defense Evasion

Hijack Execution Flow

T1574

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/643-1-0x00008000-0x00026464-memory.dmp

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