mirai | 95990a559d7dced77b2886a15f381d5bbb1e28b87a7508884e48392cac956dc8

Analysis

max time kernel
149s
max time network
155s
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
15-01-2025 14:48

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General

Target

xd.arm7.elf
Size

52KB
MD5

73c8f6d42082dd2bfb599fe5bfe9295c
SHA1

7f3a552246c9f709715985fec24cf6955b1998b2
SHA256

95990a559d7dced77b2886a15f381d5bbb1e28b87a7508884e48392cac956dc8
SHA512

7e40381c11327736d0e62d73056e4df592c6f928dacae7e4b25fc1cd95a2823040ed62122ae925ba11f621412920fc44761f05bdbe3cfb94c0c23c98f69de2d7
SSDEEP

768:AAWkn5pJ7ZgXHMsJ6hlD9T8c3QiOFz5/GkFh3looKS9q3UELSOs8qMLPVhujATBH:Asn5pJ7ZWZu9TbQzGkFFb+LvV+osi

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
Contacts a large (19698) 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	xd.arm7.elf
File opened for modification	/dev/misc/watchdog	xd.arm7.elf

Enumerates active TCP sockets 1 TTPs 1 IoCs

Gets active TCP sockets from /proc virtual filesystem.

discovery

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	xd.arm7.elf

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

Reads system network configuration 1 TTPs 1 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/tcp	xd.arm7.elf

Reads runtime system information 59 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/657/fd	xd.arm7.elf
File opened for reading	/proc/671/exe	xd.arm7.elf
File opened for reading	/proc/265/fd	xd.arm7.elf
File opened for reading	/proc/803/exe	xd.arm7.elf
File opened for reading	/proc/664/fd	xd.arm7.elf
File opened for reading	/proc/781/exe	xd.arm7.elf
File opened for reading	/proc/795/exe	xd.arm7.elf
File opened for reading	/proc/801/exe	xd.arm7.elf
File opened for reading	/proc/674/fd	xd.arm7.elf
File opened for reading	/proc/654/exe	xd.arm7.elf
File opened for reading	/proc/204/fd	xd.arm7.elf
File opened for reading	/proc/266/fd	xd.arm7.elf
File opened for reading	/proc/662/exe	xd.arm7.elf
File opened for reading	/proc/785/exe	xd.arm7.elf
File opened for reading	/proc/270/fd	xd.arm7.elf
File opened for reading	/proc/454/fd	xd.arm7.elf
File opened for reading	/proc/667/exe	xd.arm7.elf
File opened for reading	/proc/454/exe	xd.arm7.elf
File opened for reading	/proc/677/exe	xd.arm7.elf
File opened for reading	/proc/self/exe	xd.arm7.elf
File opened for reading	/proc/1/fd	xd.arm7.elf
File opened for reading	/proc/509/fd	xd.arm7.elf
File opened for reading	/proc/720/exe	xd.arm7.elf
File opened for reading	/proc/805/exe	xd.arm7.elf
File opened for reading	/proc/142/fd	xd.arm7.elf
File opened for reading	/proc/283/fd	xd.arm7.elf
File opened for reading	/proc/301/fd	xd.arm7.elf
File opened for reading	/proc/669/fd	xd.arm7.elf
File opened for reading	/proc/660/exe	xd.arm7.elf
File opened for reading	/proc/791/exe	xd.arm7.elf
File opened for reading	/proc/168/fd	xd.arm7.elf
File opened for reading	/proc/654/fd	xd.arm7.elf
File opened for reading	/proc/671/fd	xd.arm7.elf
File opened for reading	/proc/675/fd	xd.arm7.elf
File opened for reading	/proc/508/exe	xd.arm7.elf
File opened for reading	/proc/657/exe	xd.arm7.elf
File opened for reading	/proc/353/fd	xd.arm7.elf
File opened for reading	/proc/616/fd	xd.arm7.elf
File opened for reading	/proc/797/exe	xd.arm7.elf
File opened for reading	/proc/806/exe	xd.arm7.elf
File opened for reading	/proc/465/exe	xd.arm7.elf
File opened for reading	/proc/783/exe	xd.arm7.elf
File opened for reading	/proc/789/exe	xd.arm7.elf
File opened for reading	/proc/799/exe	xd.arm7.elf
File opened for reading	/proc/269/fd	xd.arm7.elf
File opened for reading	/proc/465/fd	xd.arm7.elf
File opened for reading	/proc/666/fd	xd.arm7.elf
File opened for reading	/proc/509/exe	xd.arm7.elf
File opened for reading	/proc/616/exe	xd.arm7.elf
File opened for reading	/proc/787/exe	xd.arm7.elf
File opened for reading	/proc/793/exe	xd.arm7.elf
File opened for reading	/proc/309/fd	xd.arm7.elf
File opened for reading	/proc/508/fd	xd.arm7.elf
File opened for reading	/proc/653/fd	xd.arm7.elf
File opened for reading	/proc/667/fd	xd.arm7.elf
File opened for reading	/proc/653/exe	xd.arm7.elf
File opened for reading	/proc/300/fd	xd.arm7.elf
File opened for reading	/proc/684/exe	xd.arm7.elf
File opened for reading	/proc/661/exe	xd.arm7.elf

/tmp/xd.arm7.elf
/tmp/xd.arm7.elf
1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:663

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

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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