mirai | cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c

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
22-03-2024 03:25

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General

Target

cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c.elf
Size

45KB
MD5

5c3e12c77099e247db5bcd2be3c84c4a
SHA1

c07a10804f1fe4c27973e0703f11b5f724e963e0
SHA256

cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c
SHA512

48d58b959fd36b4dd6d73520542866bbd7649280e811188d6fd7f237a8f96796b497f9b9bbb1fd237bb9f0fc5790856a990627d40a240e3d2f76b6c0d7f23950
SSDEEP

768:gW2myW5zrY3m+KDOtELVpuyUEQNIM4ZktwkVlXFbkdzxsu9q3UELMIk9r/e/lQMp:f7d5zrY3mVqtSEyUE0IM4Fk7FbkdzwLf

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

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

Reads runtime system information 41 IoCs

Reads data from /proc virtual filesystem.

Processes:

cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c.elf

description	ioc
File opened for reading	/proc/688/cmdline
File opened for reading	/proc/758/cmdline
File opened for reading	/proc/760/cmdline
File opened for reading	/proc/573/cmdline
File opened for reading	/proc/636/cmdline
File opened for reading	/proc/672/cmdline
File opened for reading	/proc/752/cmdline
File opened for reading	/proc/763/cmdline
File opened for reading	/proc/765/cmdline
File opened for reading	/proc/self/exe	cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c.elf
File opened for reading	/proc/649/cmdline
File opened for reading	/proc/689/cmdline
File opened for reading	/proc/751/cmdline
File opened for reading	/proc/637/cmdline
File opened for reading	/proc/641/cmdline
File opened for reading	/proc/769/cmdline
File opened for reading	/proc/771/cmdline
File opened for reading	/proc/775/cmdline
File opened for reading	/proc/717/cmdline
File opened for reading	/proc/727/cmdline
File opened for reading	/proc/650/cmdline
File opened for reading	/proc/709/cmdline
File opened for reading	/proc/737/cmdline
File opened for reading	/proc/753/cmdline
File opened for reading	/proc/579/cmdline
File opened for reading	/proc/639/cmdline
File opened for reading	/proc/761/cmdline
File opened for reading	/proc/767/cmdline
File opened for reading	/proc/773/cmdline
File opened for reading	/proc/738/cmdline
File opened for reading	/proc/747/cmdline
File opened for reading	/proc/642/cmdline
File opened for reading	/proc/646/cmdline
File opened for reading	/proc/712/cmdline
File opened for reading	/proc/748/cmdline
File opened for reading	/proc/777/cmdline
File opened for reading	/proc/575/cmdline
File opened for reading	/proc/578/cmdline
File opened for reading	/proc/779/cmdline
File opened for reading	/proc/597/cmdline
File opened for reading	/proc/705/cmdline

/tmp/cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c.elf
/tmp/cdf9e66dca69d04541c292ffbde2091162bbffa13597c0837c0af3bda00b9e8c.elf
1⤵
- Reads runtime system information
PID:643

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Hijack Execution Flow

T1574

Privilege Escalation

Hijack Execution Flow

T1574

Defense Evasion

Hijack Execution Flow

T1574

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/643-1-0x00008000-0x00026460-memory.dmp

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