mirai | 9b31a37117f12f346fd931875fc1dcde4d9a874a5de21ba0abe242c1ef6f6c9d

Analysis

max time kernel
150s
max time network
7s
platform
debian-9_armhf
resource
debian9-armhf-20231222-en
resource tags

arch:armhfimage:debian9-armhf-20231222-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
17-02-2024 01:00

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General

Target

4e45bee072d2274f8d632dabc0a27b34.bin
Size

45KB
MD5

4e45bee072d2274f8d632dabc0a27b34
SHA1

ac665f787c8450d2f1caae8bf337189bbf461397
SHA256

9b31a37117f12f346fd931875fc1dcde4d9a874a5de21ba0abe242c1ef6f6c9d
SHA512

bcf11b48622d6edb38830faf361a17ed03933ec5e0d48eeda14b86d7c358b0e14f609de15718f0644e8aaa824dcbc23914ebabd11bfcd31ae5001c98b508c5ad
SSDEEP

768:D/TYCoIxdEk+AxoTZAZHFeq8b3B19q3UELbUXfi6nVMQHI4vcGpvt:DECFd+A6YHAxKLRQZt

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 31 IoCs

Reads data from /proc virtual filesystem.

Processes:

4e45bee072d2274f8d632dabc0a27b34.bin

description	ioc
File opened for reading	/proc/666/cmdline
File opened for reading	/proc/776/cmdline
File opened for reading	/proc/784/cmdline
File opened for reading	/proc/692/cmdline
File opened for reading	/proc/self/exe	4e45bee072d2274f8d632dabc0a27b34.bin
File opened for reading	/proc/588/cmdline
File opened for reading	/proc/689/cmdline
File opened for reading	/proc/579/cmdline
File opened for reading	/proc/665/cmdline
File opened for reading	/proc/790/cmdline
File opened for reading	/proc/620/cmdline
File opened for reading	/proc/778/cmdline
File opened for reading	/proc/757/cmdline
File opened for reading	/proc/782/cmdline
File opened for reading	/proc/804/cmdline
File opened for reading	/proc/577/cmdline
File opened for reading	/proc/659/cmdline
File opened for reading	/proc/730/cmdline
File opened for reading	/proc/788/cmdline
File opened for reading	/proc/792/cmdline
File opened for reading	/proc/575/cmdline
File opened for reading	/proc/756/cmdline
File opened for reading	/proc/786/cmdline
File opened for reading	/proc/800/cmdline
File opened for reading	/proc/802/cmdline
File opened for reading	/proc/663/cmdline
File opened for reading	/proc/725/cmdline
File opened for reading	/proc/794/cmdline
File opened for reading	/proc/734/cmdline
File opened for reading	/proc/796/cmdline
File opened for reading	/proc/798/cmdline

/tmp/4e45bee072d2274f8d632dabc0a27b34.bin
/tmp/4e45bee072d2274f8d632dabc0a27b34.bin
1⤵
- Reads runtime system information
PID:685

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/685-1-0x00008000-0x00026464-memory.dmp

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