Malware Analysis Report

2024-08-06 16:19

Sample ID 240704-lxlsdavepl
Target ChaosRansomwareBuilderv4.exe
SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
Tags
chaos ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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 Overview

score
10/10

SHA256

f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77

Threat Level: Known bad

The file ChaosRansomwareBuilderv4.exe was found to be: Known bad.

Malicious Activity Summary

chaos ransomware

Chaos

Chaos Ransomware

Chaos family

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-04 09:54

Signatures

Chaos Ransomware

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

Chaos family

chaos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-04 09:54

Reported

2024-07-04 09:57

Platform

win7-20240611-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe

"C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe"

Network

N/A

Files

memory/2924-0-0x000007FEF5723000-0x000007FEF5724000-memory.dmp

memory/2924-1-0x00000000000B0000-0x000000000013E000-memory.dmp

memory/2924-2-0x000007FEF5720000-0x000007FEF610C000-memory.dmp

memory/2924-3-0x000007FEF5720000-0x000007FEF610C000-memory.dmp

memory/2924-4-0x000007FEF5720000-0x000007FEF610C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-04 09:54

Reported

2024-07-04 09:57

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe

"C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderv4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/4824-0-0x00007FFEF97C3000-0x00007FFEF97C5000-memory.dmp

memory/4824-1-0x0000000000B20000-0x0000000000BAE000-memory.dmp

memory/4824-2-0x00007FFEF97C0000-0x00007FFEFA281000-memory.dmp

memory/4824-3-0x00007FFEF97C0000-0x00007FFEFA281000-memory.dmp

memory/4824-4-0x00007FFEF97C0000-0x00007FFEFA281000-memory.dmp