8b47e773a782361209f8adacc8d6aeefb595e1c13ae6813df7de01c20a15c91e

Analysis

max time kernel
60s
max time network
152s
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/Utils/macros.asm
Size

438B
MD5

2dabbc455a0fb09e0608abc1de0c8984
SHA1

1b31614f7af3dc36ed7fdb5cf9f1e3cbc16dc141
SHA256

58fa451337e7d634155683cb28dd840fcacb32ae270fae0a7464d2a668f9d013
SHA512

1bf68bb557df5b10284de15a4d1276fee2871a90b5a3ff1a7cb82c51fabd643e05c24ba79ea0a586879d036c0082b05e11aabbbfa8b8ee5311a040a0ef6d16d4

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
4832	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MEMZ-master\NyanMBR\Source\Stage2\Utils\macros.asm
1⤵
- Modifies registry class
PID:1004

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact