4687a61c0389114888ef59bd62891d2eab137302546ec7f13d256c2eaec271e4

Analysis

max time kernel
91s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
04-06-2024 21:05

Target

README.txt
Size

18B
MD5

3ad4903aac8df7d67ec61cf6497878c5
SHA1

0c95943ba0749e587f54b5a6cc10eedd7a5e3520
SHA256

ef586a492ecaa6fb157c8009aaa89de9b9a6a442bd90a19db51d50d4733eb21b
SHA512

967724bd7e49c9d7bf96bc5189eac954eb61f4fa02bd14c175f54deb677e62230f9f5c32ac1510b4c58f2b920a12b08bfe886436292c03fb702dd559f4d66ce7

Score

3^/10

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000_Classes\Local Settings cmd.exe
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

3336 NOTEPAD.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 5040 wrote to memory of 3336 5040 cmd.exe NOTEPAD.EXE
PID 5040 wrote to memory of 3336 5040 cmd.exe NOTEPAD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000_Classes\Local Settings	cmd.exe

pid	process
3336	NOTEPAD.EXE

description	pid	process	target process
PID 5040 wrote to memory of 3336	5040	cmd.exe	NOTEPAD.EXE
PID 5040 wrote to memory of 3336	5040	cmd.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\README.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\README.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3336

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact