mirai | 4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2

Analysis

max time kernel
149s
max time network
162s
platform
debian-12_armhf
resource
debian12-armhf-20240221-en
resource tags

arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
submitted
08/01/2025, 02:24

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General

Target

4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf
Size

61KB
MD5

ffef5c30d386027b9550b1aa067f7e36
SHA1

a79592292918cfebf554e70a7c3795389dc24a2d
SHA256

4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2
SHA512

ee0771af44083d0acba51a1812e8b2476836045e61e30e37aa69099c47188feaa6828f1186bb48040db829ebebfd24fe0c2ba94486ec412b880081e4ae8c6a9e
SSDEEP

768:3nmRXdVfdG9KPFTnvOE3M/qiYk9mkLtd64de5GrN44KUyasZSDq3UI7wNG6XqAK7:3n4VdG9KJnvu/qiv16bffNhy0A13s/g4

Score

10^/10

mirai mirai botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

MIRAI

raw.igxhost.ru

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (24006) 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
715	sh
730	chmod

Changes its process name 1 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/systemd	712	4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf

Reads runtime system information 3 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mv
File opened for reading	/proc/self/exe	4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf

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/4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf
/tmp/4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf
1⤵
- Changes its process name
- Reads runtime system information
PID:712
- /bin/sh
  /bin/sh -c "rm -rf bin/systemd && mkdir bin; >bin/systemd && mv /tmp/4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf bin/systemd; chmod 777 bin/systemd"
  2⤵
  - File and Directory Permissions Modification
  - Writes file to tmp directory
  PID:715
- - /usr/bin/rm
    rm -rf bin/systemd
    3⤵
    PID:717
- - /usr/bin/mkdir
    mkdir bin
    3⤵
    - Reads runtime system information
    PID:720
- - /usr/bin/mv
    mv /tmp/4835ef813a9ef7190525293c8f32d9c2fe3c088574ccd6c06ac2738d60ff43f2.elf bin/systemd
    3⤵
    - Reads runtime system information
    PID:725
- - /usr/bin/chmod
    chmod 777 bin/systemd
    3⤵
    - File and Directory Permissions Modification
    PID:730

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

Windows 7 deprecation

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