mirai | 8d410c544d3832d70fe8ed49edc6445c57e4b2f72c9023c51c527fdaf8e40fc9

Analysis

max time kernel
149s
max time network
131s
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
01/12/2024, 09:08

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General

Target

boatnet.arm7.elf
Size

45KB
MD5

3655f0e82fc5ec1c1015fcb433a3023a
SHA1

c99b334621fd53bb80f2bd481a4dd91b8d61e4dc
SHA256

8d410c544d3832d70fe8ed49edc6445c57e4b2f72c9023c51c527fdaf8e40fc9
SHA512

0e99278b610477204df555d6026f7bf7002e3901c806d111909f063cef89289a06e7ed69f61163847236a46011820951c8f69f508ffb09c7ef930a799718de0a
SSDEEP

768:E2rlJxP3Pn+9TKGW9hjw+Zh+PfApNf9q3UELJqqlpf/zAaD4stZGByR4:tpJxfv+9T2Q+Zh+nApULJnlpHzDD4DS4

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

Writes file to system bin folder 2 IoCs

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

Reads runtime system information 12 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/708/cmdline	boatnet.arm7.elf
File opened for reading	/proc/714/cmdline	boatnet.arm7.elf
File opened for reading	/proc/450/cmdline	boatnet.arm7.elf
File opened for reading	/proc/454/cmdline	boatnet.arm7.elf
File opened for reading	/proc/579/cmdline	boatnet.arm7.elf
File opened for reading	/proc/583/cmdline	boatnet.arm7.elf
File opened for reading	/proc/666/cmdline	boatnet.arm7.elf
File opened for reading	/proc/701/cmdline	boatnet.arm7.elf
File opened for reading	/proc/self/exe	boatnet.arm7.elf
File opened for reading	/proc/683/cmdline	boatnet.arm7.elf
File opened for reading	/proc/707/cmdline	boatnet.arm7.elf
File opened for reading	/proc/715/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:710

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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