ff7706dad388652ba868408d8848872f1a19d0e6f1a730c31c88572af5faa8bf

Analysis

max time kernel
502s
max time network
504s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2023 09:47

Target

Umbral Builder.pdb
Size

95KB
MD5

e8b7b386f2a1bd9b882c2951d35bb752
SHA1

42dc39e18d71e9a3fa0f633ed609bb5796c2cb7f
SHA256

a9d40a95e257d6598419386dbdb717a2e044d4a75392212e019ba6664ddec40e
SHA512

9e3e88fa9957f7299be32aac18b04b9abeb529ce348e49b7ee3536b5e5f5aaa17acab130aa1bb2f0432c06b2915ec2dd63dc0ed0a43cf7bd192b731fc64943e3
SSDEEP

1536:VHjnA3ofdLINDm5/3f6RYD/BckCajjFWQNd3OxjjdWQN:FfdX93f6RYD/BJjjEjj

Score

3^/10

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-922299981-3641064733-3870770889-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4024	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Umbral Builder.pdb"
1⤵
- Modifies registry class
PID:4492

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact