55f083d63639a1f337066d1494791197fc29d3bda2a657b2ab38b265706dfa97

Analysis

user interaction
yes
max time kernel
18s
max time network
6s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/10/2026, 23:19

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General

Target
chaos_devil.c
Size 591B
Sample261022-3a2nrayt9j
SHA256 55f083d63639a1f337066d1494791197fc29d3bda2a657b2ab38b265706dfa97
MD5 13f81ac41e8866a204629b4272dcbf7a
SHA1 27ef5016b7d4965f50e21019bf3c92a96755bec4
SHA512 3e82643c8b07c91cf6e5c82219d04d94ce18cb8c330d7ae62dafdbbcb395debff005963637bfba8547f4d9025a6aa71d13e33eae5ff93a72be7424d4367deb4e
TLSH
T13FF0C904B17B0845B0BB40B90F9B33191891612FEF4F86D13B2E8160FF1861BB8233E8
MD5 SHA1 SHA512 TLSH

Score

3^/10

execution ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3864	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1308	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2456	OpenWith.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1308	2456	OpenWith.exe	90

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chaos_devil.c
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:3864

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\chaos_devil.c
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1308

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads