mirai | 6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_mips
resource
debian9-mipsbe-20240729-en
resource tags

arch:mipsimage:debian9-mipsbe-20240729-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
02-10-2024 01:20

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General

Target

6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf
Size

36KB
MD5

8580cdc2029cafca09e91526ab00468d
SHA1

35f33d253414de7d01683107be22ae60b5668041
SHA256

6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1
SHA512

be209112a270ce04acd3b46183a861782481d90362c90012cc54c79aa64cdc7d2788225c00d6fce82045c5727776d97b778b46cd50714455c6ec42696202ccfb
SSDEEP

768:jxI6EJ2q/pOK4XT43j2bBgvrg0UAHdtQJgGlzDpUYse:VQIq/R4XT43aUPjQVqYF

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
Contacts a large (23832) 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

pid	Process
702	sh
711	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/systemd	700	6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	mv
File opened for reading	/proc/self/exe	6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf
File opened for reading	/proc/filesystems	mkdir

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/bin/systemd	sh

/tmp/6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf
/tmp/6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:700
- /bin/sh
  sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf bin/systemd; chmod 777 bin/systemd"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:702
- - /bin/rm
    rm -rf bin/systemd
    3⤵
    PID:704
- - /bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:706
- - /bin/mv
    mv /tmp/6f3a4a076d6b50ddc1d6caeb07fe23813128ba2bf032f9115d8f55e344ccb4b1.elf bin/systemd
    3⤵
    - Reads runtime system information
    PID:708
- - /bin/chmod
    chmod 777 bin/systemd
    3⤵
    - File and Directory Permissions Modification
    PID:711

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

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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