047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
63s
max time network
132s
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/R.class
Size

8KB
MD5

86d75308f7c8d22a81d09fb66011ef6d
SHA1

be95cacb0bcbf78b5e7a04fe5069200307ed9ffc
SHA256

31695c452baa07c0a32de3717ce79171539478af6e9c4290d8bf4e5d8b94b5e8
SHA512

910916fd0007c7c3b83903a6081f07e068deeabf56cf6187eb2359dd429f3f04c4ff4cc797981556c5df2380cefebfaaf249e7ddc169ebe369c32b206daf08e3
SSDEEP

192:ETlBCpGSBOo4YgQvLhleFeM2+pkpCQyfIcXV:0DxSBOo4YgQvlYF78CQyl

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-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

2644 OpenWith.exe

pid	process
2644	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\R.class
1⤵
- Modifies registry class
PID:1600

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact