8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
69s
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/Stage1/main.asm
Size

603B
MD5

eeb3c92fc836e1c9fb8c42cc74ffd2b8
SHA1

c27df6c0472f3962f65f67106c0f0e01150b55c3
SHA256

83563264bb952406e936c2e97b6bce0ad0b1eaccc1cfb2c073ee80f603c9773b
SHA512

a96d5c82200539d56c4de5d4c9a358a170e025d672a6e9af94743217dc0d3d1d6be06f3e7cf81aa386a0c9ac5db8fc80afcfb518c2b299b0af4d4b2484a4a8a4

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
4128	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage1\main.asm
1⤵
- Modifies registry class
PID:4940

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact