Malware Analysis Report

2025-05-05 22:14

Sample ID 250419-xgz6lss1as
Target linux_arm64.elf
SHA256 27b1c58445402501a7a8c6847ed9e856adaa0278fa60a69f518e3b2b71879bbe
Tags
kaiji
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

27b1c58445402501a7a8c6847ed9e856adaa0278fa60a69f518e3b2b71879bbe

Threat Level: Known bad

The file linux_arm64.elf was found to be: Known bad.

Malicious Activity Summary

kaiji

Kaiji

Kaiji family

kaiji_chaosbot

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-04-19 18:50

Signatures

Kaiji

Description Indicator Process Target
N/A N/A N/A N/A

Kaiji family

kaiji

kaiji_chaosbot

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-04-19 18:50

Reported

2025-04-19 18:50

Platform

ubuntu1804-amd64-20240729-en

Max time kernel

0s

Command Line

[/tmp/linux_arm64.elf]

Signatures

N/A

Processes

/tmp/linux_arm64.elf

[/tmp/linux_arm64.elf]

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-04-19 18:50

Reported

2025-04-19 18:50

Platform

debian9-armhf-20240418-en

Max time kernel

0s

Command Line

[/tmp/linux_arm64.elf]

Signatures

N/A

Processes

/tmp/linux_arm64.elf

[/tmp/linux_arm64.elf]

Network

N/A

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2025-04-19 18:50

Reported

2025-04-19 18:50

Platform

debian9-mipsbe-20250410-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2025-04-19 18:50

Reported

2025-04-19 18:50

Platform

debian9-mipsel-20240729-en

Max time kernel

0s

Command Line

[/tmp/linux_arm64.elf]

Signatures

N/A

Processes

/tmp/linux_arm64.elf

[/tmp/linux_arm64.elf]

Network

N/A

Files

N/A