mirai | 4fd7ea8cfecb7fa30a6d6637f6d874ac94ab60352d326a8af68164d9900101c7

Analysis

max time kernel
149s
max time network
4s
platform
debian-9_armhf
resource
debian9-armhf-20240418-en
resource tags

arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
09-02-2025 16:28

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General

Target

boatnet.arm7.elf
Size

53KB
MD5

6edeb7febaae705409d3429731970a2b
SHA1

ddafc2a466768c8b236a224e19038ced4b218c1f
SHA256

4fd7ea8cfecb7fa30a6d6637f6d874ac94ab60352d326a8af68164d9900101c7
SHA512

31715bfddea2a892eae936d1df6249a7b051392477f13ad3238b3f4ecf8111c3dc6926d210afc93a5d88d2d63505b15f3a21c778686fb3213080a4440ab26023
SSDEEP

768:/GJrriWrm5118Y+4xTuNqAcpPUQVvaLy9eu/bcpQhsNe6oN9t9q3UELaLaMe25RZ:/GripJhhxeRpBoELwOLm

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/misc/watchdog	boatnet.arm7.elf
File opened for modification	/dev/watchdog	boatnet.arm7.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	/bin/watchdog	boatnet.arm7.elf
File opened for modification	/sbin/watchdog	boatnet.arm7.elf

Reads runtime system information 34 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/659/cmdline	boatnet.arm7.elf
File opened for reading	/proc/771/cmdline	boatnet.arm7.elf
File opened for reading	/proc/797/cmdline	boatnet.arm7.elf
File opened for reading	/proc/615/cmdline	boatnet.arm7.elf
File opened for reading	/proc/727/cmdline	boatnet.arm7.elf
File opened for reading	/proc/777/cmdline	boatnet.arm7.elf
File opened for reading	/proc/783/cmdline	boatnet.arm7.elf
File opened for reading	/proc/789/cmdline	boatnet.arm7.elf
File opened for reading	/proc/658/cmdline	boatnet.arm7.elf
File opened for reading	/proc/663/cmdline	boatnet.arm7.elf
File opened for reading	/proc/670/cmdline	boatnet.arm7.elf
File opened for reading	/proc/750/cmdline	boatnet.arm7.elf
File opened for reading	/proc/593/cmdline	boatnet.arm7.elf
File opened for reading	/proc/749/cmdline	boatnet.arm7.elf
File opened for reading	/proc/776/cmdline	boatnet.arm7.elf
File opened for reading	/proc/785/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/652/cmdline	boatnet.arm7.elf
File opened for reading	/proc/769/cmdline	boatnet.arm7.elf
File opened for reading	/proc/786/cmdline	boatnet.arm7.elf
File opened for reading	/proc/610/cmdline	boatnet.arm7.elf
File opened for reading	/proc/793/cmdline	boatnet.arm7.elf
File opened for reading	/proc/781/cmdline	boatnet.arm7.elf
File opened for reading	/proc/614/cmdline	boatnet.arm7.elf
File opened for reading	/proc/723/cmdline	boatnet.arm7.elf
File opened for reading	/proc/735/cmdline	boatnet.arm7.elf
File opened for reading	/proc/787/cmdline	boatnet.arm7.elf
File opened for reading	/proc/611/cmdline	boatnet.arm7.elf
File opened for reading	/proc/690/cmdline	boatnet.arm7.elf
File opened for reading	/proc/775/cmdline	boatnet.arm7.elf
File opened for reading	/proc/779/cmdline	boatnet.arm7.elf
File opened for reading	/proc/791/cmdline	boatnet.arm7.elf
File opened for reading	/proc/795/cmdline	boatnet.arm7.elf
File opened for reading	/proc/657/cmdline	boatnet.arm7.elf

/tmp/boatnet.arm7.elf
/tmp/boatnet.arm7.elf
1⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:660

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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