8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
51s
max time network
60s
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/Animation/countNyan.asm
Size

609B
MD5

824ee95d48ce12d83f855a36a822e4c4
SHA1

1cb4534a2eeb5f30d3b37297af7c5e06c77e7e0c
SHA256

acdc4d6ab3fe76b9c3562869c638aed5499ce1e6d84dfc54124834855fe68b1f
SHA512

cc35676b335a70756e88cfdc1812d541aef655c4c2bc6b9e101d6ce6a93458f780365d7f3cefd736262f2dc0c3b51961e84adebaccddd2ef234bd587614d3396

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
4688	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\Animation\countNyan.asm
1⤵
- Modifies registry class
PID:2660

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact