mirai | 235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182

Analysis

max time kernel
150s
max time network
6s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
25/01/2025, 02:19

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General

Target

235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
Size

31KB
MD5

3b4133dc4e602eccf689c98554016eca
SHA1

41e218f412cf4c5cffc2511201a45cc6eb2322f8
SHA256

235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182
SHA512

00021df333c791a5747cb98ea6dd07b38fb0d0a91e055f38c5ad0438273e8e75ced91fcb0addac7ac4b13974a310086498fe86817a9396938d26df3f66ed6dfe
SSDEEP

768:CkGVUFmXbht/vrCgNEAXtKWNcuOTl2N6IFGHJgGlzDpbuR1Jg:F0XbveAXtKkOTkN6hFVJum

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	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for modification	/dev/misc/watchdog	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/bin/watchdog	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for modification	/sbin/watchdog	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf

Reads runtime system information 22 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/719/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/755/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/774/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/786/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/800/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/684/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/712/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/717/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/711/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/675/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/683/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/692/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/679/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/705/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/814/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/726/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/741/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/756/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/778/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/431/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/706/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
File opened for reading	/proc/710/cmdline	235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf

/tmp/235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
/tmp/235742e3224a335432deb0f29243a8129f718c9b2265aa966488b505feebd182.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:714

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

Windows 7 deprecation

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