mirai | e5f05fa9033fe04055eaf20e1a39ad2b5af0085a7b141f1b9ff19d7759b2d887

Analysis

max time kernel
150s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20221125-en
resource tags

arch:armhfimage:debian9-armhf-20221125-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
05-06-2023 10:51

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General

Target

e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984.elf
Size

45KB
MD5

3940ad85e92bba493621b2bf80622d58
SHA1

1861ba1682bb29284361ff5784aacdc7dc23f4fa
SHA256

e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984
SHA512

5f1e29a3501e152cd780571a2dced25b4f557cf6baf1e9c98053ff7e4b524196e66e89cb12e4679c6a1c04a22cf41ca56aec1333a466e5bdc68898ad04f2e1e8
SSDEEP

768:g/TYCoIxdEk+AxoTZAZHFeq8b3H9q3UELbUXfi6nVMQHI4vcGpvj:gECFd+A6YHAxWLRQZj

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
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 22 IoCs

Reads data from /proc virtual filesystem.

Processes:

e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984.elf

description	ioc
File opened for reading	/proc/495/cmdline
File opened for reading	/proc/self/exe	e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984.elf
File opened for reading	/proc/403/cmdline
File opened for reading	/proc/483/cmdline
File opened for reading	/proc/463/cmdline
File opened for reading	/proc/472/cmdline
File opened for reading	/proc/482/cmdline
File opened for reading	/proc/401/cmdline
File opened for reading	/proc/425/cmdline
File opened for reading	/proc/438/cmdline
File opened for reading	/proc/468/cmdline
File opened for reading	/proc/417/cmdline
File opened for reading	/proc/450/cmdline
File opened for reading	/proc/454/cmdline
File opened for reading	/proc/437/cmdline
File opened for reading	/proc/449/cmdline
File opened for reading	/proc/462/cmdline
File opened for reading	/proc/494/cmdline
File opened for reading	/proc/498/cmdline
File opened for reading	/proc/402/cmdline
File opened for reading	/proc/418/cmdline
File opened for reading	/proc/426/cmdline

/tmp/e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984.elf
/tmp/e288e0300b62d77fef5a4d81c0e6758f0336ca9c4c90f5c4d29cec78fab0c984.elf
1⤵
- Reads runtime system information
PID:358

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/358-1-0x00008000-0x00026464-memory.dmp

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