mirai | 66f69eb0e036c62e16695826f77b35f46cd21ef6147398c6fed885130ef2fbd7

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240226-en
resource tags

arch:armhfimage:debian9-armhf-20240226-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
25-03-2024 09:37

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General

Target

8c31c17fc49e1980133565ca3f73bae6.elf
Size

21KB
MD5

8c31c17fc49e1980133565ca3f73bae6
SHA1

ca80fdea40a75f6d91a31f62eaa2734dc11bc8ed
SHA256

66f69eb0e036c62e16695826f77b35f46cd21ef6147398c6fed885130ef2fbd7
SHA512

ab72e309da53c89bb24d05474ca1a3f3f13d9146f47af5e46bb9e9a5a25c8024941f2b027e8ba3cb2411d72c683a417526d649ed4f83275ca50882a8f9384188
SSDEEP

384:vvtIoZxrSniaXs+qx+bwqPX+VOcFd5fHq52lxjJLhymdGUop5hi:vvQn4j+ZO5fKAlx9s3Uozk

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

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

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

Reads runtime system information 33 IoCs

Reads data from /proc virtual filesystem.

Processes:

8c31c17fc49e1980133565ca3f73bae6.elf

description	ioc
File opened for reading	/proc/750/cmdline
File opened for reading	/proc/590/cmdline
File opened for reading	/proc/597/cmdline
File opened for reading	/proc/640/cmdline
File opened for reading	/proc/751/cmdline
File opened for reading	/proc/595/cmdline
File opened for reading	/proc/641/cmdline
File opened for reading	/proc/683/cmdline
File opened for reading	/proc/704/cmdline
File opened for reading	/proc/716/cmdline
File opened for reading	/proc/764/cmdline
File opened for reading	/proc/772/cmdline
File opened for reading	/proc/self/exe	8c31c17fc49e1980133565ca3f73bae6.elf
File opened for reading	/proc/645/cmdline
File opened for reading	/proc/776/cmdline
File opened for reading	/proc/577/cmdline
File opened for reading	/proc/598/cmdline
File opened for reading	/proc/638/cmdline
File opened for reading	/proc/770/cmdline
File opened for reading	/proc/774/cmdline
File opened for reading	/proc/768/cmdline
File opened for reading	/proc/635/cmdline
File opened for reading	/proc/708/cmdline
File opened for reading	/proc/736/cmdline
File opened for reading	/proc/753/cmdline
File opened for reading	/proc/758/cmdline
File opened for reading	/proc/760/cmdline
File opened for reading	/proc/762/cmdline
File opened for reading	/proc/773/cmdline
File opened for reading	/proc/650/cmdline
File opened for reading	/proc/737/cmdline
File opened for reading	/proc/766/cmdline
File opened for reading	/proc/778/cmdline

/tmp/8c31c17fc49e1980133565ca3f73bae6.elf
/tmp/8c31c17fc49e1980133565ca3f73bae6.elf
1⤵
- Reads runtime system information
PID:642

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Hijack Execution Flow

T1574

Privilege Escalation

Hijack Execution Flow

T1574

Defense Evasion

Impair Defenses

T1562

Hijack Execution Flow

T1574

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/642-1-0x00008000-0x0001dca4-memory.dmp

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