mirai | fd922aa1d5be2c3a6f982610dc75f26c3de6b2e6f746810f82e7bdd8c7b5d68c

Analysis

max time kernel
149s
max time network
1s
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
08-04-2024 00:18

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General

Target

75cb748ca54a87a99bd3c1fb6fc89478.elf
Size

45KB
MD5

75cb748ca54a87a99bd3c1fb6fc89478
SHA1

265183f1ef00379b78d3a04b73d7912c7c9f478a
SHA256

fd922aa1d5be2c3a6f982610dc75f26c3de6b2e6f746810f82e7bdd8c7b5d68c
SHA512

250b7d7edf064a9d0aeef2ba01f0cb98253ad0ebed85c6e1fae14bb69011696e72a40a8d47797a61e3c813a92b0b05a581f492fd0f68d7a34788e4d457ea6064
SSDEEP

768:g/TYCoIxdEq+vZ7ZwfP4gH4Q+829q3UELbUXfi6nVMQHI4vcGpvC:gECF9KPaP8QxLRQZC

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:

75cb748ca54a87a99bd3c1fb6fc89478.elf

description	ioc
File opened for reading	/proc/636/cmdline
File opened for reading	/proc/651/cmdline
File opened for reading	/proc/765/cmdline
File opened for reading	/proc/self/exe	75cb748ca54a87a99bd3c1fb6fc89478.elf
File opened for reading	/proc/643/cmdline
File opened for reading	/proc/769/cmdline
File opened for reading	/proc/771/cmdline
File opened for reading	/proc/773/cmdline
File opened for reading	/proc/775/cmdline
File opened for reading	/proc/574/cmdline
File opened for reading	/proc/594/cmdline
File opened for reading	/proc/638/cmdline
File opened for reading	/proc/748/cmdline
File opened for reading	/proc/759/cmdline
File opened for reading	/proc/751/cmdline
File opened for reading	/proc/767/cmdline
File opened for reading	/proc/777/cmdline
File opened for reading	/proc/587/cmdline
File opened for reading	/proc/592/cmdline
File opened for reading	/proc/632/cmdline
File opened for reading	/proc/672/cmdline
File opened for reading	/proc/715/cmdline
File opened for reading	/proc/757/cmdline
File opened for reading	/proc/595/cmdline
File opened for reading	/proc/639/cmdline
File opened for reading	/proc/733/cmdline
File opened for reading	/proc/734/cmdline
File opened for reading	/proc/752/cmdline
File opened for reading	/proc/703/cmdline
File opened for reading	/proc/750/cmdline
File opened for reading	/proc/763/cmdline
File opened for reading	/proc/707/cmdline
File opened for reading	/proc/761/cmdline

/tmp/75cb748ca54a87a99bd3c1fb6fc89478.elf
/tmp/75cb748ca54a87a99bd3c1fb6fc89478.elf
1⤵
- Reads runtime system information
PID:640

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/640-1-0x00008000-0x00026464-memory.dmp

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