8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
144s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
16/02/2023, 20:43

Target

MEMZ-master/NyanMBR/Source/Stage2/Utils/timer.asm
Size

686B
MD5

6e16b6ef22ba57be9a05192541b15951
SHA1

38a1ae0880c59f6984e5f1c320838ad79998f2c8
SHA256

c73a68271686ac57b0408b5d5069878298723edf5bb9c2fe48bcaa8c8946b468
SHA512

d1f7b913a3b512f462ba13568ca8bce0da286575fe980db1425cfac249f122cdc072cc07be6749e66b2fa9936139016d620ef9d586f148cf83001788bd5874e2

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4992	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\Utils\timer.asm
1⤵
- Modifies registry class
PID:3500

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact