b8fa5aa5af1c96f87c35e32117364155dfab8f913fcd098b71f59888e0609154

Analysis

max time kernel
598s
max time network
540s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 09:17

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General

Target
stubs/ReGKey.egg
Size 45B
Sample260910-k9fapagd44
SHA256 b8fa5aa5af1c96f87c35e32117364155dfab8f913fcd098b71f59888e0609154
MD5 c7e93739b6dec45a71cce1da31ccdcd8
SHA1 7b65dd11ab20361e4c4d9dad4a1c5d0389d0af2b
SHA512 016f6e6bfe36567430870da31d1bebc134f07e68ab7574e2bd22e17f80aad19e9036c9c97322ada577fdd6cb67056fc528b1351086d02eae69bbe62dd475d2c7
MD5 SHA1 SHA512

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
1432	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000_Classes\Local Settings	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3236	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\stubs\ReGKey.egg
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:1432

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3236

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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