Malware Analysis Report

2024-08-06 15:55

Sample ID 240511-myldnsdb8x
Target Chaos Ransomware Builder v5.2.exe
SHA256 38adb3e1431726978b41a80227f22159fddfaeed174ddd2d569e6de4177d3589
Tags
chaos ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

38adb3e1431726978b41a80227f22159fddfaeed174ddd2d569e6de4177d3589

Threat Level: Known bad

The file Chaos Ransomware Builder v5.2.exe was found to be: Known bad.

Malicious Activity Summary

chaos ransomware

Chaos Ransomware

Chaos family

Chaos

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-11 10:52

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: behavioral2

Detonation Overview

Submitted

2024-05-11 10:52

Reported

2024-05-11 10:55

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.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\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 23.62.61.89:443 www.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 89.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1080-0-0x00007FF917AA3000-0x00007FF917AA5000-memory.dmp

memory/1080-1-0x00000000006A0000-0x0000000000730000-memory.dmp

memory/1080-2-0x00007FF917AA0000-0x00007FF918561000-memory.dmp

memory/1080-3-0x00007FF917AA0000-0x00007FF918561000-memory.dmp

memory/1080-4-0x00007FF917AA0000-0x00007FF918561000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 10:52

Reported

2024-05-11 10:55

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.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\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v5.2.exe"

Network

N/A

Files

memory/1256-0-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/1256-1-0x00000000000D0000-0x0000000000160000-memory.dmp

memory/1256-2-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/1256-3-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/1256-4-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/1256-5-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp