047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
66s
max time network
140s
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/O.class
Size

3KB
MD5

1882ea5b1cb86acaa8a0508028cd0391
SHA1

72bab4529aaabeb385555d1305a991fc1c064cec
SHA256

0c7aaf33032e550ca5b28354672fe7d286bfb1f0e6f4335c3801f0246b7b0863
SHA512

3133b75a0eb56eae6cf3b25e1ef038ef5ceb257b65f5663a29a913f6a1a684e99f383df7420a6bd410a0bc527641006df8d7b193c61e75b729a9e5e5d6464cc5

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

3904 OpenWith.exe

pid	process
3904	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\O.class
1⤵
- Modifies registry class
PID:4600

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact