mirai | dbafac37299d30b6cd3a58a64a93e575cf8541b7c5934b8a82b8361d36c5f48c

Analysis

max time kernel
149s
max time network
143s
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
17-01-2025 11:22

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General

Target

boooooos.arm7.elf
Size

45KB
MD5

e8a41dc58e963dfecad4fc9c3ff13fa9
SHA1

b5afdbd857f25af31a29012d84a7d12e511c8a13
SHA256

dbafac37299d30b6cd3a58a64a93e575cf8541b7c5934b8a82b8361d36c5f48c
SHA512

001e2a251f1c2c91c85ba11fb0cda25f24feada7e3ce1dce7373885a1111842428a34f0faafdb3d38e4cc1909a49e86c9190f53b44a01525948d90e29724c947
SSDEEP

768:452yn/yZu5Yx9xaQJnhSJ4YyR0tNTpg99q3UELz+aNfwN35kjQ9Go6zm7D8:45B/ux6QLLYBNhL6aNfwNmjQ9Go6zmP8

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	boooooos.arm7.elf
File opened for modification	/dev/misc/watchdog	boooooos.arm7.elf

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	boooooos.arm7.elf
File opened for modification	/bin/watchdog	boooooos.arm7.elf

Reads runtime system information 13 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/678/cmdline	boooooos.arm7.elf
File opened for reading	/proc/696/cmdline	boooooos.arm7.elf
File opened for reading	/proc/701/cmdline	boooooos.arm7.elf
File opened for reading	/proc/709/cmdline	boooooos.arm7.elf
File opened for reading	/proc/724/cmdline	boooooos.arm7.elf
File opened for reading	/proc/630/cmdline	boooooos.arm7.elf
File opened for reading	/proc/646/cmdline	boooooos.arm7.elf
File opened for reading	/proc/662/cmdline	boooooos.arm7.elf
File opened for reading	/proc/665/cmdline	boooooos.arm7.elf
File opened for reading	/proc/703/cmdline	boooooos.arm7.elf
File opened for reading	/proc/self/exe	boooooos.arm7.elf
File opened for reading	/proc/629/cmdline	boooooos.arm7.elf
File opened for reading	/proc/647/cmdline	boooooos.arm7.elf

/tmp/boooooos.arm7.elf
/tmp/boooooos.arm7.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:704

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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