e27b5ca94626d6422e6a5b480aa85b974f4587a8bed8cf3896aec3f45ec43264

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
22/08/2026, 03:53

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General

Target
rb6/External/kiero/kiero.cpp
Size 27KB
Sample260822-ef5qlavwft
SHA256 e27b5ca94626d6422e6a5b480aa85b974f4587a8bed8cf3896aec3f45ec43264
MD5 2c883ba1bca68e88479ab2c2b30e980f
SHA1 2a19f9018391c04a59b9bd5948b199cf6e30ad4a
SHA512 661e8c79e224e84f711dd46646e4c7fc9247c377de67d0a58009f567ef8da817086bc1b69b92a8461df38f7ccb3f99f8a1f52bf450416f985c7616d8adb4fd17
SSDEEP 384:w5mDaK0v3OrneBDn3OygdQZDcIK0b9EO97C3rDRi7thi0rxe666ET4vn:oKb9yGQCav97D7tcY6mvn
TLSH
T1B4C2A39DF22E6013586B944ABA1D3486C47E6A31D618CA778CBC5013FECC18FD47EA5E
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
4332	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1456	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rb6\External\kiero\kiero.cpp
1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4332

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1456

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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