Malware Analysis Report

2024-10-19 07:15

Sample ID 240904-t19mlsvdqd
Target Chaos Ransomware Builder v4.exe
SHA256 f2665f89ba53abd3deb81988c0d5194992214053e77fc89b98b64a31a7504d77
Tags
chaos ransomware
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 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 Ransomware

Chaos family

Chaos

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-04 16:32

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

2024-09-04 16:32

Reported

2024-09-04 16:35

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

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 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/2584-0-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

memory/2584-1-0x0000000000330000-0x00000000003BE000-memory.dmp

memory/2584-2-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

memory/2584-3-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

memory/2584-4-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

memory/2584-5-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 16:32

Reported

2024-09-04 16:35

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

102s

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

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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
NL 52.111.243.31:443 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4172-0-0x00007FFCB1363000-0x00007FFCB1365000-memory.dmp

memory/4172-1-0x0000000000040000-0x00000000000CE000-memory.dmp

memory/4172-2-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-3-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-4-0x00007FFCB1363000-0x00007FFCB1365000-memory.dmp

memory/4172-5-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-6-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-7-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-8-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-9-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp

memory/4172-10-0x00007FFCB1360000-0x00007FFCB1E21000-memory.dmp