Malware Analysis Report

2024-08-06 15:54

Sample ID 240508-n5p6wabd4t
Target Chaos Ransomware Builder v4.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 Chaos Ransomware Builder v4.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

2024-05-08 11:59

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

2024-05-08 11:59

Reported

2024-05-08 12:01

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.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 v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe"

Network

N/A

Files

memory/1928-0-0x000007FEF5683000-0x000007FEF5684000-memory.dmp

memory/1928-1-0x0000000000EA0000-0x0000000000F2E000-memory.dmp

memory/1928-2-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

memory/1928-3-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

memory/1928-4-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 11:59

Reported

2024-05-08 12:01

Platform

win10v2004-20240419-en

Max time kernel

136s

Max time network

104s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.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 v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe

"C:\Users\Admin\AppData\Local\Temp\Chaos Ransomware Builder v4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/1784-0-0x00000000009D0000-0x0000000000A5E000-memory.dmp

memory/1784-1-0x00007FFFB0323000-0x00007FFFB0325000-memory.dmp

memory/1784-2-0x00007FFFB0320000-0x00007FFFB0DE1000-memory.dmp

memory/1784-3-0x00007FFFB0320000-0x00007FFFB0DE1000-memory.dmp

memory/1784-4-0x00007FFFB0320000-0x00007FFFB0DE1000-memory.dmp