3f2e89b07e7730999d80b41a44dc29f53aaba7875da5734b8158bfa74f645f3f

Analysis

max time kernel
92s
max time network
204s
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_korean.txt
Size

4KB
MD5

202b825d0ef72096b82db255c4e747fa
SHA1

3a3265e5bbaa1d1b774195a3858f29cea75c9e75
SHA256

3d1399f5323a3ece1b1a8b3b31f8fd7f50c3bd319ab3f1c38c6e347452c95314
SHA512

e8fc7cc09f431301d22a07b238179ee053505090e3c4db30ead061513fe7159f1fe8b80efc93f4597fe00f01087bbe0bb2231e13693d72c8def138657cb91566
SSDEEP

96:bno0CtiVRtncgz5d4thtF5NdLRZYyzzjBaz23//w2Dv3RFQuVSMfXIjNXIPemiOO:zorkv+gteRFTtrYxUXLLBFQjOq3838gw

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-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings cmd.exe
Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

1852 NOTEPAD.EXE
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 1404 wrote to memory of 1852 1404 cmd.exe NOTEPAD.EXE
PID 1404 wrote to memory of 1852 1404 cmd.exe NOTEPAD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings	cmd.exe

pid	process
1852	NOTEPAD.EXE

description	pid	process	target process
PID 1404 wrote to memory of 1852	1404	cmd.exe	NOTEPAD.EXE
PID 1404 wrote to memory of 1852	1404	cmd.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_korean.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\public\steambootstrapper_korean.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1852

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