mirai | 42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede

Analysis

max time kernel
149s
max time network
6s
platform
debian-9_armhf
resource
debian9-armhf-20240226-en
resource tags

arch:armhfimage:debian9-armhf-20240226-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
26-03-2024 02:10

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General

Target

42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede.elf
Size

45KB
MD5

911db988ba8e84f96dee8fc8db9456d6
SHA1

d944a807bc02722b21e8a16d74e28d315d828f81
SHA256

42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede
SHA512

85bfc8e837b358bd0603ea178ac2b74f77b37ef03085c583da4afee6a819905f50ec40f0d6180eeead1ac7e2cac6ed5db1d1c562da1ebf7dab0ab89ca0ee4b97
SSDEEP

768:S/TYCoIxdEk+AxoTZAZHFeq8b3z9q3UELbUXfi6nVMQHI4vcGpvZ:SECFd+A6YHAxyLRQZZ

Score

10^/10

mirai lzrd botnet

Malware Config

Extracted

Family

mirai

Botnet

LZRD

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

Impair Defenses
T1562

Processes:

description ioc

File opened for modification /dev/watchdog
File opened for modification /dev/misc/watchdog
Enumerates running processes
Discovers information about currently running processes on the system
Writes file to system bin folder 1 TTPs 2 IoCs

Hijack Execution Flow
T1574

Processes:

description ioc

File opened for modification /sbin/watchdog
File opened for modification /bin/watchdog

description	ioc
File opened for modification	/dev/watchdog
File opened for modification	/dev/misc/watchdog

description	ioc
File opened for modification	/sbin/watchdog
File opened for modification	/bin/watchdog

Reads runtime system information 32 IoCs

Reads data from /proc virtual filesystem.

Processes:

42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede.elf

description	ioc
File opened for reading	/proc/764/cmdline
File opened for reading	/proc/772/cmdline
File opened for reading	/proc/702/cmdline
File opened for reading	/proc/715/cmdline
File opened for reading	/proc/667/cmdline
File opened for reading	/proc/751/cmdline
File opened for reading	/proc/758/cmdline
File opened for reading	/proc/760/cmdline
File opened for reading	/proc/571/cmdline
File opened for reading	/proc/646/cmdline
File opened for reading	/proc/639/cmdline
File opened for reading	/proc/734/cmdline
File opened for reading	/proc/746/cmdline
File opened for reading	/proc/754/cmdline
File opened for reading	/proc/756/cmdline
File opened for reading	/proc/762/cmdline
File opened for reading	/proc/self/exe	42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede.elf
File opened for reading	/proc/586/cmdline
File opened for reading	/proc/768/cmdline
File opened for reading	/proc/744/cmdline
File opened for reading	/proc/629/cmdline
File opened for reading	/proc/714/cmdline
File opened for reading	/proc/752/cmdline
File opened for reading	/proc/766/cmdline
File opened for reading	/proc/591/cmdline
File opened for reading	/proc/634/cmdline
File opened for reading	/proc/592/cmdline
File opened for reading	/proc/770/cmdline
File opened for reading	/proc/589/cmdline
File opened for reading	/proc/635/cmdline
File opened for reading	/proc/632/cmdline
File opened for reading	/proc/698/cmdline

/tmp/42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede.elf
/tmp/42fb7565e47d04bcf1264aa76cefe76c5daff00031843bec7cee04d0b690aede.elf
1⤵
- Reads runtime system information
PID:636

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Hijack Execution Flow

T1574

Privilege Escalation

Hijack Execution Flow

T1574

Defense Evasion

Impair Defenses

T1562

Hijack Execution Flow

T1574

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/636-1-0x00008000-0x00026464-memory.dmp

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