8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
52s
max time network
147s
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/main.asm
Size

1KB
MD5

1eb667c4bd06b25b5455189d091df217
SHA1

a9c9282e49a331d597af8a0d11dacf33a3e0942a
SHA256

584068da0f1eea25d1a639174fdf06937e91a62672cf8f0ef3892816c4245488
SHA512

5a9a3c956823bbd1d46bc2918b98027aa402795b9977da5d7ce0d000cc805c743c342f03e6db40c27904eb570ffd6fdfa9e5ff5aabb4d6724d1be4e406ff1e08

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
1376	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\main.asm
1⤵
- Modifies registry class
PID:2684

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact