3f2e89b07e7730999d80b41a44dc29f53aaba7875da5734b8158bfa74f645f3f

Analysis

max time kernel
7s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
19-11-2024 20:30

Target

public/steambootstrapper_finnish.txt
Size

4KB
MD5

9e62fc923c65bfc3f40aaf6ec4fd1010
SHA1

8f76faff18bd64696683c2a7a04d16aac1ef7e61
SHA256

8ff0f3cbdf28102ff037b9cda90590e4b66e1e654b90f9aea2cd5364494d02b7
SHA512

c8ff15373b37e848e6239a82424569e77c82a5fc557d17e7d2ed1d0d2b2f7d026cc1e2bc98cb5ee945c02cfefb82803c23fa6a26f48ff0adcf762f94cd5dd035
SSDEEP

96:OJCZC1RCSwhp1RZY/T4zcVYssvWIN71BIxZvaZIUZvaPOo8K8jbG:JkPwhp1rY/UcV0ALbYi38K8jK

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-1-5-21-1537126222-899333903-2037027349-1000_Classes\Local Settings cmd.exe
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

760 NOTEPAD.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 908 wrote to memory of 760 908 cmd.exe NOTEPAD.EXE
PID 908 wrote to memory of 760 908 cmd.exe NOTEPAD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000_Classes\Local Settings	cmd.exe

pid	process
760	NOTEPAD.EXE

description	pid	process	target process
PID 908 wrote to memory of 760	908	cmd.exe	NOTEPAD.EXE
PID 908 wrote to memory of 760	908	cmd.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_finnish.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_finnish.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:760

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