85d84da597bba6a36e1f89b137e843a09b4022515b9bd51a53a39a97b1325826

Analysis

max time kernel
140s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/08/2023, 14:38

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General

Target

Upload/admin/styles/default/home.css
Size

447B
MD5

57600ffad44524b84e46dfe45cbdb2db
SHA1

930a07c63102f71c6586decd1a8d3baf50d7de49
SHA256

ac11e4ad2f97a5317de27427f3e6563f5aef786d94f441999da6a95c1ef2659c
SHA512

431c862a6db48e3677aaa4bbbb4610b10c4897a1b513e7deb5e986ca40f101cc591e2bc26ca19afe0159f7c49922b9e27989c25f22baf7f4671ee3a643ffab3e

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-1-5-21-3195054982-4292022746-1467505928-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4604	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 4604	4484	cmd.exe	81
PID 4484 wrote to memory of 4604	4484	cmd.exe	81

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Upload\admin\styles\default\home.css
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Upload\admin\styles\default\home.css
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4604

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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