fbb47bfd057253e9461bc7fe661eb8ad273451782f3e227b8db8f88b54cea186

Resubmissions

09/08/2026, 17:13

260809-vrv9asselb

09/08/2026, 17:11

260809-vqbs9saq214

Analysis

max time kernel
148s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 17:11

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General

Target
costura.pdb
Size 7KB
Sample260809-vqbs9saq21
SHA256 fbb47bfd057253e9461bc7fe661eb8ad273451782f3e227b8db8f88b54cea186
MD5 dd3394a0ba6f7158d029e1c3a31b7a85
SHA1 806f4c19b2d7fd9e3b836269ec07647019a29e95
SHA512 2fbedae58d16bfe20954094e5c7541e1b25310107571e94f7bea35b2217aa634197ef147afb9ffbd9c59aa0f7e209cf2a97349c3503077758502bf7a776e2575
SSDEEP 192:yMD/wix+PI6jMai+NLy5nj4SCBg5MRkCIFQkC8g7AHOuXk/N/8Hu04:y8YPI6jMai+NLy5nj4SCm5Mz6QkOAHO/
TLSH
T1A4F1B33F5748C463C89959720521C49CB6B343202670ED78F3DB2608EDAF69AC7B5772
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution

Malware Config

Signatures

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1508	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4924	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\costura.pdb
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:1508

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4924

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads