mirai | adca3bf3f36fd505510dbd9bd6d838c14c3cf95bfec0b110c4e0419d54ae498e

Analysis

max time kernel
149s
max time network
11s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
06/01/2025, 07:12

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General

Target

wind.arm.elf
Size

25KB
MD5

bedac7cde2d68b897e39a7895632de85
SHA1

6c8370008dbc42539c6552141951cf95c8e1d394
SHA256

adca3bf3f36fd505510dbd9bd6d838c14c3cf95bfec0b110c4e0419d54ae498e
SHA512

8cfd930808e668184ba6a432a866c15e298dd22bfcbc810af551958d84ec6306edfefdf359354994240211c0a0a21cbd75a71060bffcc04ffb1aa50b0340db8d
SSDEEP

768:WbrQ9NZTs+lQFej5Xu4+rHJrBcSs3UozV0:WY9NZoxuuRBWze

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	wind.arm.elf
File opened for modification	/dev/misc/watchdog	wind.arm.elf

Enumerates running processes
Discovers information about currently running processes on the system

Writes file to system bin folder 2 IoCs

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

Reads runtime system information 33 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/604/cmdline	wind.arm.elf
File opened for reading	/proc/690/cmdline	wind.arm.elf
File opened for reading	/proc/725/cmdline	wind.arm.elf
File opened for reading	/proc/666/cmdline	wind.arm.elf
File opened for reading	/proc/766/cmdline	wind.arm.elf
File opened for reading	/proc/775/cmdline	wind.arm.elf
File opened for reading	/proc/590/cmdline	wind.arm.elf
File opened for reading	/proc/655/cmdline	wind.arm.elf
File opened for reading	/proc/657/cmdline	wind.arm.elf
File opened for reading	/proc/768/cmdline	wind.arm.elf
File opened for reading	/proc/791/cmdline	wind.arm.elf
File opened for reading	/proc/661/cmdline	wind.arm.elf
File opened for reading	/proc/785/cmdline	wind.arm.elf
File opened for reading	/proc/787/cmdline	wind.arm.elf
File opened for reading	/proc/611/cmdline	wind.arm.elf
File opened for reading	/proc/650/cmdline	wind.arm.elf
File opened for reading	/proc/739/cmdline	wind.arm.elf
File opened for reading	/proc/781/cmdline	wind.arm.elf
File opened for reading	/proc/789/cmdline	wind.arm.elf
File opened for reading	/proc/self/exe	wind.arm.elf
File opened for reading	/proc/656/cmdline	wind.arm.elf
File opened for reading	/proc/733/cmdline	wind.arm.elf
File opened for reading	/proc/740/cmdline	wind.arm.elf
File opened for reading	/proc/770/cmdline	wind.arm.elf
File opened for reading	/proc/783/cmdline	wind.arm.elf
File opened for reading	/proc/795/cmdline	wind.arm.elf
File opened for reading	/proc/721/cmdline	wind.arm.elf
File opened for reading	/proc/777/cmdline	wind.arm.elf
File opened for reading	/proc/779/cmdline	wind.arm.elf
File opened for reading	/proc/786/cmdline	wind.arm.elf
File opened for reading	/proc/793/cmdline	wind.arm.elf
File opened for reading	/proc/608/cmdline	wind.arm.elf
File opened for reading	/proc/610/cmdline	wind.arm.elf

/tmp/wind.arm.elf
/tmp/wind.arm.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:658

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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