85fca9dc798a46c85e7ccaf37e6ac8a6cb0ab85b2bf43e5d675ed9bae99be647

Analysis

max time kernel
115s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
22-02-2025 03:36

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General

Target

source_prepared.pyc
Size

171KB
MD5

7db5e98381f83b706f439f9d953879a9
SHA1

ece32a97e5c9c815b163d693d8d4b769fb441b8d
SHA256

ad591beaea9b9cd6454e7d34a3c73803c6d52c08e1f195b440cd0cfbafbf351b
SHA512

e9d5c528f99085255fc291aec3270c00158a5227de872814c10160fca26ceedd6aaf473aa9e6fe665881b726326a00989e129726c0413c34fba5dc9c0765afcf
SSDEEP

3072:GUawF45YW13S2SVfoboEoD7iD6GxrhQpvqdavGqwsilDY:vC5N1rSfEo6r6JqdavIsKY

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\.pyc	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\edit\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\open	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\.pyc\ = "pyc_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\open\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000_Classes\pyc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4944	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1628	OpenWith.exe

Suspicious use of SetWindowsHookEx 25 IoCs

pid	Process
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe
1628	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4944	1628	OpenWith.exe	92
PID 1628 wrote to memory of 4944	1628	OpenWith.exe	92

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Modifies registry class
PID:4044

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 v15

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