mirai | ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546

Analysis

max time kernel
113s
max time network
152s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
06/12/2024, 14:18

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General

Target

ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf
Size

36KB
MD5

4c51017585663b65da1fd0af12210777
SHA1

d060a5edbf65fca1631aa48bfd1bd7c2df384f5b
SHA256

ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546
SHA512

3fe47b9e6e637f846fa43e2a301bdbc44c3b4731bdf6fb05f007aab7329635a86ae4eff1d85e5aa5ab15c5249f20c58690a1e9373e913b73fbcf9f1ca0da5e34
SSDEEP

768:KFwoLdBhILNp1DWceB1vkKjHDBwkJKSmTjJgGlzDpUYsfW:o/dQDWljnBwSkVqYx

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 (18558) 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
711	sh
718	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox	710	ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/exe	ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.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.

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

/tmp/ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf
/tmp/ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:710
- /bin/sh
  sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf bin/busybox; chmod 777 bin/busybox"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:711
- - /bin/rm
    rm -rf bin/busybox
    3⤵
    PID:713
- - /bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:714
- - /bin/mv
    mv /tmp/ed59aa1939c0eef89211cdf756076ed7a58fa6977d219f0b244c877936303546.elf bin/busybox
    3⤵
    - Reads runtime system information
    PID:716
- - /bin/chmod
    chmod 777 bin/busybox
    3⤵
    - File and Directory Permissions Modification
    PID:718

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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