047758fad4c08391983353e9aef6b934c9fe4e860d63a0f6908aeb44427924aa

Analysis

max time kernel
53s
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/F.class
Size

10KB
MD5

1cd31f67b6eff531c2d95bb0e174c1e5
SHA1

39df1f73df968ea4d50de3d56b6b2f474187abd2
SHA256

962b91f47d2094c2c6c496acc3cd197022ad997a0066992783603d35a959ec1b
SHA512

704ff6ab965f4a90c23203d319e2f9c0c643c7b810cc2be1a5b1c7c4173c458a8161ea8ce5abcfb106c8bf56bc304ad90ce01059f83742c9b3484f382f773e06
SSDEEP

192:Nkx1TRLrggzdor0pGlnQl/NRAW+ndFqyPhSCH6o:NaTLrgUdor0pGqNCLhJz

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

3456 OpenWith.exe

pid	process
3456	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a\F.class
1⤵
- Modifies registry class
PID:3592

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact