047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
70s
max time network
77s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
31-03-2023 16:07

Target

a/Y.class
Size

8KB
MD5

720cf2a979954ef614b0c502927f15a8
SHA1

6eb3753905da4f67e1bb3e1325bb8e9aa834bf91
SHA256

c901708a380547e16260a21361d8174ba7934565e2a19f5a2bce2bc8bda9f61c
SHA512

d5dd872774942aadf030abbad9713bcd001cd5812af44f6a06e117fb6be9e833dd20f8d829f613370abaf1527dc1a7dcf8f4ad0a25450af3301a56736d5fd620
SSDEEP

192:ydYYeblP1antvUDzlg+UwAcMMzmP1DOsSTYBx2wiB:ydjWt1antvUDzO+sMmP1DOsUYBxYB

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

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3346939869-2835594282-3775165920-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

4348 OpenWith.exe

pid	process
4348	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\Y.class
1⤵
- Modifies registry class
PID:3240

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact