mirai | c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916

Analysis

max time kernel
149s
max time network
151s
platform
ubuntu-24.04_amd64
resource
ubuntu2404-amd64-20240523-en
resource tags

arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
submitted
14-11-2024 03:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf
Size

36KB
MD5

f2f60d4a6a730922e0ba0f726bda9b1c
SHA1

52d1c36c09ddbc562804583c7cc56d1d75c564b2
SHA256

c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916
SHA512

b49b54b917b6eb9a144b3b182e2f213bbf20b5aef44a60119a85496f7aa19dce8ad20d4f63b6c1fc61ff27e35b2ec329906650c327e53f7d8c733a991ede643e
SSDEEP

768:3dXCmneD1ZkdpWWYwk8rvNBS+05BigNqr2KY/bSv9sPCi:NS22K9YervN0+0aOmDfFuCi

Score

10^/10

mirai mirai botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

MIRAI

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (23992) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
File and Directory Permissions Modification 1 TTPs 2 IoCs
Adversaries may modify file or directory permissions to evade defenses.
defense_evasion

Linux and Mac File and Directory Permissions Modification
T1222.002

Processes:

shchmod

pid process

2768 sh
2772 chmod

pid	process
2768	sh
2772	chmod

Changes its process name 1 IoCs

Processes:

c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf

description	ioc	pid	process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	2766	c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elfmkdirmv

description	ioc	process
File opened for reading	/proc/self/exe	c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mv

Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.

Processes:

sh

description ioc process

File opened for modification /tmp/bin/busybox sh

description	ioc	process
File opened for modification	/tmp/bin/busybox	sh

/tmp/c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf
/tmp/c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:2766
- /bin/sh
  sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:2768
- - /usr/bin/rm
    rm -rf bin/busybox
    3⤵
    PID:2769
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:2770
- - /usr/bin/mv
    mv /tmp/c04b0a7147f1f0d71c6cb9dc127fa3b1e3ff3389d5b9ce06d399389f87637916.elf bin/busybox
    3⤵
    - Reads runtime system information
    PID:2771
- - /usr/bin/chmod
    chmod 777 bin/busybox
    3⤵
    - File and Directory Permissions Modification
    PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2766-1-0x0000000000400000-0x0000000000515d48-memory.dmp

Download