Malware Analysis Report

2024-08-06 16:15

Sample ID 240624-nmq1fstbqj
Target what-encrypt.exe
SHA256 ad533886f13a9753d17974ad2836712504e59460675f354d7d84329b157df08c
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 Overview

score
10/10

SHA256

ad533886f13a9753d17974ad2836712504e59460675f354d7d84329b157df08c

Threat Level: Known bad

The file what-encrypt.exe was found to be: Known bad.

Malicious Activity Summary

chaos ransomware

Chaos

Chaos Ransomware

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 11:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 11:31

Reported

2024-06-24 11:51

Platform

win10-20240611-en

Max time kernel

315s

Max time network

885s

Command Line

"C:\Users\Admin\AppData\Local\Temp\what-encrypt.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\what-encrypt.exe

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Users\Admin\AppData\Local\Temp\what-encrypt.exe

"C:\Users\Admin\AppData\Local\Temp\what-encrypt.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 776

Network

Country Destination Domain Proto
US 8.8.8.8:53 144.252.19.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp

Files

memory/1972-0-0x0000000000CA0000-0x0000000000CC5000-memory.dmp

memory/1972-1-0x0000000002C40000-0x0000000002C85000-memory.dmp

memory/1972-2-0x0000000000CA0000-0x0000000000CC5000-memory.dmp

memory/1972-3-0x0000000000CA2000-0x0000000000CA9000-memory.dmp

memory/1972-4-0x0000000001250000-0x0000000001251000-memory.dmp

memory/1972-5-0x0000000002C40000-0x0000000002C85000-memory.dmp

memory/1972-6-0x0000000000CA0000-0x0000000000CC5000-memory.dmp

memory/1972-7-0x0000000073840000-0x0000000073895000-memory.dmp

memory/1972-10-0x0000000002C40000-0x0000000002C85000-memory.dmp

memory/1972-13-0x0000000000CA2000-0x0000000000CA9000-memory.dmp