113aa0dbeb0b9887dc0e462565b967517e520fb6cb7256ab00298f5610c57148

Analysis

max time kernel
128s
max time network
131s
platform
windows10-1703_x64
resource
win10-20240214-en
resource tags

arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
submitted
25/02/2024, 05:34

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General

Target

user.json
Size

23B
MD5

34d23ff2ad77f18da7beadb8aadcdfb0
SHA1

aec841e4d31adfb8123b2f0b6f9b327ff8f48fd8
SHA256

23f75a9dd253806b342c5b3b48f5dcc46990e91b47defcfcfc7502f49e32e139
SHA512

9d537f71c9f252f638f289973896da0fecc9f4d2220da35405665a753e55fe42228720cdd6c20246b7bcdbff73a09aed2bb75bfa171abef37a7fa89840c9932c

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-820923436-2084397322-3365974649-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-820923436-2084397322-3365974649-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
5108	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe
3232	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 5108	3232	OpenWith.exe	76
PID 3232 wrote to memory of 5108	3232	OpenWith.exe	76

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\user.json
1⤵
- Modifies registry class
PID:652

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\user.json
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:5108

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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