5631db687c5cba27a59cd8e9dac349b79026249498e27f6aa5ea770d0de4cde0

Resubmissions

29/07/2026, 16:10

260729-tms3psbc243

29/07/2026, 16:09

260729-tlwgfazvbw3

Analysis

user interaction
yes
max time kernel
176s
max time network
44s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/07/2026, 16:10

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General

Target
speedtest.md
Size 12KB
Sample260729-tms3psbc24
SHA256 5631db687c5cba27a59cd8e9dac349b79026249498e27f6aa5ea770d0de4cde0
MD5 45862b699ba674518533ec71a14adbfc
SHA1 0c00e1ec51d728f4e5e2e5224753ec279a9dbef4
SHA512 3b78f60162c3fded0bd4b15f2418af07df7f26958fb9c969edb3e67e6c8f11d12801b2e166c3d8336d57659676f9413e50f31dc108c2db6e8f2c26460a6cd425
SSDEEP 384:3wCQAg4H7u5okWuNqdsGzeJVhFErsarsw:ACQfokWkqdsGz4bKpJ
TLSH
T1EB42B6776B04BF3702E30243545AA0D6F71AE04E671A198D749DC4BC2F42E34DABFA99
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

execution ransomware

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
1780	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
3792	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4864	OpenWith.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 3792	4864	OpenWith.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\speedtest.md
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:1780

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\speedtest.md
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:3792

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