mirai | 574302ca20d153fbfe0fff36380ae7b119eaa5694b0d390996f8913c3af4c967

Resubmissions

15-01-2025 15:23

250115-ssydyaxrem 5

15-01-2025 14:48

250115-r6fklsxlam 10

Analysis

max time kernel
149s
max time network
16s
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

ub8ehJSePAfc9FYqZIT6.arm.elf
Size

46KB
MD5

a38ea5dfea817b3e4a2d500556eb3c63
SHA1

b87b837df3fe9b468f054a99bd703e93fe46c601
SHA256

574302ca20d153fbfe0fff36380ae7b119eaa5694b0d390996f8913c3af4c967
SHA512

d9cc096e5b1294b4e60cc2adc83b8c1a79ca7b6cd9b52d626f430803bd459a7cd94e465ecad67b88c1d1891aa1d7c5bbed3ee121a30a7b90d2aab99847949b4d
SSDEEP

768:hQB89QHj+4rFPUtN8P50LdleKzKvB+WQCpirXEAk+81NnkwZs3UozDx:hA3D+4ZPUX8PaWK0B+OOXfp81NnMzDx

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	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for modification	/dev/watchdog	ub8ehJSePAfc9FYqZIT6.arm.elf

Traces itself 1 IoCs

Traces itself to prevent debugging attempts

pid	Process
658	ub8ehJSePAfc9FYqZIT6.arm.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	/sbin/watchdog	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for modification	/bin/watchdog	ub8ehJSePAfc9FYqZIT6.arm.elf

Reads runtime system information 34 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/608/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/778/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/782/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/760/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/794/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/650/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/655/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/657/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/726/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/790/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/792/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/767/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/784/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/self/exe	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/604/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/722/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/734/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/771/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/661/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/668/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/768/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/776/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/742/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/769/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/786/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/788/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/610/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/656/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/662/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/691/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/796/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/590/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/611/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf
File opened for reading	/proc/780/cmdline	ub8ehJSePAfc9FYqZIT6.arm.elf

/tmp/ub8ehJSePAfc9FYqZIT6.arm.elf
/tmp/ub8ehJSePAfc9FYqZIT6.arm.elf
1⤵
- Modifies Watchdog functionality
- Traces itself
- Writes file to system bin folder
- Reads runtime system information
PID:658

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

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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