Overview
overview
7Static
static
5MikuMikuBe....lockb
windows11-21h2-x64
3MikuMikuBe...fig.js
windows11-21h2-x64
3MikuMikuBe...x.html
windows11-21h2-x64
4MikuMikuBe...fig.js
windows11-21h2-x64
3MikuMikuBe...ku.svg
windows11-21h2-x64
4MikuMikuBe...App.js
windows11-21h2-x64
3MikuMikuBe...fig.js
windows11-21h2-x64
7Analysis
- user interaction
yes - max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 09:38
Behavioral task
behavioral1
Sample
MikuMikuBeam-main/web-client/bun.lockb
Resource
win11-20260513-en
Behavioral task
behavioral2
Sample
MikuMikuBeam-main/web-client/eslint.config.js
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
MikuMikuBeam-main/web-client/index.html
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
MikuMikuBeam-main/web-client/postcss.config.js
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
MikuMikuBeam-main/web-client/public/miku.svg
Resource
win11-20260513-en
Behavioral task
behavioral6
Sample
MikuMikuBeam-main/web-client/src/App.js
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
MikuMikuBeam-main/web-client/tailwind.config.js
Resource
win11-20260513-en
General
- Target MikuMikuBeam-main/web-client/bun.lockb
- Size 120KB
- Sample260527-ll84jacv41
- SHA256 67f2203476864c27a3efdeb704a07cf2d17c47e0a7f916f08f02d8e9df708384
- MD5 da5e14bea41600a785652d27c905e307
- SHA1 9479b42f6d484dd879387a24a39cf619edb75ed6
- SHA512 3cb8d56938899102f88d7cc54ecf496fad95d06b26b4c0a94869030c00435d6181cdf82406424727638c827ec9255e903cebc3cb4f05120b3d5b25456a5ea375
- SSDEEP 3072:6oVAiHLryUl6/ZgfFhbNYZ1Em2qDKfucCg+2eMIA6iOE6uK1M:P1HffgKfFhbNYZ1Em2qDKfucCg+2eMIZ
- TLSH T1BBC395969F044263FB6143FCC9E37F14AE2BD59A4FC24713E36496BE8C913E43912929
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-125073035-2952146151-721812867-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1408 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\MikuMikuBeam-main\web-client\bun.lockb1⤵
- Modifies registry class
PID:1848
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1408