mirai | f54e1156880d0f3e39fc0503230f94f0bbd5486ff8a15eae2a8d5f82b8663ff6

Analysis

max time kernel
149s
max time network
156s
platform
debian-12_armhf
resource
debian12-armhf-20240221-en
resource tags

arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
02/10/2024, 14:58

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General

Target

yakov.arm7.elf
Size

47KB
MD5

5b1f3db09b31b8ef14d8f8eb9ab0b9a3
SHA1

be7468e9560b82a81370fa14ae8b14d0e1df21a9
SHA256

f54e1156880d0f3e39fc0503230f94f0bbd5486ff8a15eae2a8d5f82b8663ff6
SHA512

1a08d1e58e698d315c3524683f20fc8d2176baae87578077c4d137345d9654e560dfe07caf4eef5e83ab13b8f082e8e4ef4687944a1b5d34bfb9f310c2d7b47c
SSDEEP

768:vu0Uuq71GZJoWQ2QSgwg0lggM7f0fF69q3UELMfYyHJ2wpDN/pg:vtfUGP5Q2QYll4cRLMfYoN6

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
Contacts a large (20523) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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

Reads runtime system information 1 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/exe	yakov.arm7.elf

/tmp/yakov.arm7.elf
/tmp/yakov.arm7.elf
1⤵
- Modifies Watchdog functionality
- Reads runtime system information
PID:709

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Network Service Discovery

T1046

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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