89b13aa6efbc0b04745a00bb5fcf05b7a4e3537095bde974ed3490a9cf582d17

Analysis

max time kernel
118s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/10/2026, 10:42

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General

Target
costura.pdb
Size 2KB
Sample261017-mrtfpsdx9p
SHA256 89b13aa6efbc0b04745a00bb5fcf05b7a4e3537095bde974ed3490a9cf582d17
MD5 34b42a5776a3ad022b429124d55e576d
SHA1 6c6000a5eaf8579850ab82a89bd6268776eb51ad
SHA512 c24bf10e1d95a07fcd65c1f7841d2d4bdf25c5db02f5f4912286c8d6c077fe8bd3fc564cb249cb4ae01aed10889f25cc22a48bd9698499ed556560d0621a64f4
TLSH
T1F35193776F04C291ED9884B28513DA492B3047127602EE7AE9E51B05CCFFDF8077286B
MD5 SHA1 SHA512 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
1640	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	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:1640

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1976

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads