mirai | cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400

Analysis

max time kernel
149s
max time network
142s
platform
debian-12_armhf
resource
debian12-armhf-20240418-en
resource tags

arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
26-01-2025 04:09

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General

Target

cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
Size

45KB
MD5

99e90ead98720d05415d5f26a5149396
SHA1

8839063c1ca002534c3ae02b352ae336dd1d9e63
SHA256

cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400
SHA512

79e7654f5cd04b438323ac05b72d8a745f4061c6060b3dadc8a4ac80c3a8cc41d178dba3ad7cee2f90989bea8c929bf8166d76c99b1a7f8905094e9a26f4d0d7
SSDEEP

768:S/TYCoIxdEk+AxoTZAZHFeq8b3B39q3UELbUXfi6nVMQHI4vcGpvh:SECFd+A6YHAxwLRQZh

Score

10^/10

mirai lzrd botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for modification	/dev/misc/watchdog	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for modification	/bin/watchdog	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf

Reads runtime system information 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/671/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/707/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/709/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/639/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/658/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/640/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/655/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/692/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/700/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/701/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/self/exe	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
File opened for reading	/proc/623/cmdline	cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf

/tmp/cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
/tmp/cb4255c05917626e7855d9214d3d023cd02257893388fa3acb70c2392aeec400.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:702

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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