8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
74s
max time network
77s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
16-02-2023 20:43

Target

MEMZ-master/NyanMBR/Source/Stage2/Interrupts/timerHandler.asm
Size

368B
MD5

12429977e0b55d93549c99863c5c05e1
SHA1

431f796c0b2a13fec5118049d75afa222a960288
SHA256

17290a8530a2c7c0fb47d92e188fee42bd03ae92fb952e4fee1f78ca1a225bb9
SHA512

2d47f3e130540ed315cfd45ae6d733e49bd4fcc35cf872bad7f3a5d63909af68600846963dc50331be32c9305f73b02c4a4b1692ce289c7f2f91c8695dab5725

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-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4704	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\Interrupts\timerHandler.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