047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
138s
max time network
148s
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/S.class
Size

2KB
MD5

709fd286e42123b0acce010b757e3424
SHA1

f9484385398464af98897042a93686dc253cda7a
SHA256

a448bd9527a59cbda704d9a861fc3c342640c9828c6bc5e80d3c967aa46f76e5
SHA512

8f7c79ba358c6f8031e758e13c99ac1be21751235a1be2e03e4174a50d71635220db92c86151be3ebfd1f143cb1547fcbb372461b5b2c71fc02a6232b54f3064

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-1-5-21-3853465373-1718857667-1861325682-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

2108 OpenWith.exe

pid	process
2108	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\S.class
1⤵
- Modifies registry class
PID:4352

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact