047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
142s
max time network
147s
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/K.class
Size

1KB
MD5

7a84b844e77169c720b77f1792097709
SHA1

d67a6d13ae0adb275227672d3ffdc9c39ce2c3d1
SHA256

fde2f18b0a8df1e8113c5dadb668394ebcf2a0a622657f213ee818f7e232aec5
SHA512

9e19a02d2924e00f4528f660ad76ec0603eda2e4f66bb53e121d0106d4920ac0a607fb59fd06012a12326d13897e2eb05c93ec663a37623c30543d82f968aff1

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

3928 OpenWith.exe

pid	process
3928	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\K.class
1⤵
- Modifies registry class
PID:4192

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact