mirai | 388b97a0edc8e24139ca5fa8a95363b6391e83fd56906affd25500ab563a2eb8

Analysis

max time kernel
149s
max time network
8s
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
23-02-2024 05:33

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General

Target

1ca5f8441589444cd62a4d1c9b99d1f6.elf
Size

21KB
MD5

1ca5f8441589444cd62a4d1c9b99d1f6
SHA1

ab33f288adfad074dac98751adacd900eaf0419f
SHA256

388b97a0edc8e24139ca5fa8a95363b6391e83fd56906affd25500ab563a2eb8
SHA512

222353e262a64908f5454cec318b37ec9a0f28abb47baf1f0648cb630d6def3cb7e468731052715d73369d08ec294b7c725beda5bf0049ded3543ccd7991e225
SSDEEP

384:TvtIoZxrSniaXs+qx+bwqPX+VOcFd5fHq52lxjBewhymdGUop5ha:TvQn4j+ZO5fKAlxcws3Uozk

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

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

Reads runtime system information 41 IoCs

Reads data from /proc virtual filesystem.

Processes:

1ca5f8441589444cd62a4d1c9b99d1f6.elf

description	ioc
File opened for reading	/proc/703/cmdline
File opened for reading	/proc/736/cmdline
File opened for reading	/proc/749/cmdline
File opened for reading	/proc/self/exe	1ca5f8441589444cd62a4d1c9b99d1f6.elf
File opened for reading	/proc/634/cmdline
File opened for reading	/proc/635/cmdline
File opened for reading	/proc/637/cmdline
File opened for reading	/proc/639/cmdline
File opened for reading	/proc/775/cmdline
File opened for reading	/proc/777/cmdline
File opened for reading	/proc/574/cmdline
File opened for reading	/proc/582/cmdline
File opened for reading	/proc/646/cmdline
File opened for reading	/proc/712/cmdline
File opened for reading	/proc/763/cmdline
File opened for reading	/proc/644/cmdline
File opened for reading	/proc/735/cmdline
File opened for reading	/proc/757/cmdline
File opened for reading	/proc/759/cmdline
File opened for reading	/proc/650/cmdline
File opened for reading	/proc/682/cmdline
File opened for reading	/proc/700/cmdline
File opened for reading	/proc/761/cmdline
File opened for reading	/proc/690/cmdline
File opened for reading	/proc/753/cmdline
File opened for reading	/proc/765/cmdline
File opened for reading	/proc/771/cmdline
File opened for reading	/proc/581/cmdline
File opened for reading	/proc/640/cmdline
File opened for reading	/proc/725/cmdline
File opened for reading	/proc/764/cmdline
File opened for reading	/proc/773/cmdline
File opened for reading	/proc/570/cmdline
File opened for reading	/proc/628/cmdline
File opened for reading	/proc/701/cmdline
File opened for reading	/proc/715/cmdline
File opened for reading	/proc/769/cmdline
File opened for reading	/proc/595/cmdline
File opened for reading	/proc/707/cmdline
File opened for reading	/proc/755/cmdline
File opened for reading	/proc/767/cmdline

/tmp/1ca5f8441589444cd62a4d1c9b99d1f6.elf
/tmp/1ca5f8441589444cd62a4d1c9b99d1f6.elf
1⤵
- Reads runtime system information
PID:641

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/641-1-0x00008000-0x0001dca4-memory.dmp

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