fd9559db98211fc18f2e26ccf53ccc8c89086c61a1522d3c5bb8a3aa8f3d080f

Analysis

max time kernel
1484s
max time network
1499s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
06/05/2024, 12:34

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General

Target

FreeDiskSpace.txt
Size

243B
MD5

7d5460dfb4ab7c78f843fef946ac8768
SHA1

357cd1be980618740cc036589e1f06518993ec64
SHA256

dca1fe27944dd49a042d5424d0e095598159cd94f0bf91ce4a078ab68099db7f
SHA512

7a49a292de91b4e1551a4d9706287f3b2f89408d9c2a0ff61cef2706c908b9b78bcc00d223270062b8d4997db67612398ffc1070fdd31bed3df6f9174ff22828

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4108	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3624 wrote to memory of 4108	3624	cmd.exe	80
PID 3624 wrote to memory of 4108	3624	cmd.exe	80

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FreeDiskSpace.txt
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\FreeDiskSpace.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4108

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

Windows 7 deprecation

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