Malware Analysis Report

2025-06-16 06:23

Sample ID 230910-wehccaah95
Target 2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe
SHA256 abf85354b2b5c121e86e1c832e1700aad23c4de4f31d97a532b655307266b26a
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

abf85354b2b5c121e86e1c832e1700aad23c4de4f31d97a532b655307266b26a

Threat Level: Known bad

The file 2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe was found to be: Known bad.

Malicious Activity Summary

chaos ransomware

Chaos Ransomware

Chaos family

Chaos

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-10 17:49

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

2023-09-10 17:49

Reported

2023-09-10 17:52

Platform

win7-20230831-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe

"C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2260 -s 480

Network

N/A

Files

memory/2260-0-0x00000000009C0000-0x00000000009CC000-memory.dmp

memory/2260-1-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

memory/2260-2-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-10 17:49

Reported

2023-09-10 17:52

Platform

win10v2004-20230831-en

Max time kernel

128s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Processes

C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe

"C:\Users\Admin\AppData\Local\Temp\2023-08-24_c43d181633c16373b6025dd3d3414ffe_destroyer_wannacry_JC.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 2512 -ip 2512

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2512 -s 708

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 254.3.248.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 254.113.26.67.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp

Files

memory/2512-0-0x0000000000780000-0x000000000078C000-memory.dmp

memory/2512-1-0x00007FF94D100000-0x00007FF94DBC1000-memory.dmp

memory/2512-2-0x00007FF94D100000-0x00007FF94DBC1000-memory.dmp