Overview
overview
10Static
static
5Bootstrapp....7.zip
windows10-2004-x64
1Bootstrapp....7.zip
windows11-ltsc_2024-x64
1Boostrappe...hi.pak
windows10-2004-x64
3Boostrappe...hi.pak
windows11-ltsc_2024-x64
3Boostrappe...th.pak
windows10-2004-x64
3Boostrappe...th.pak
windows11-ltsc_2024-x64
3Boostrappe...tr.pak
windows10-2004-x64
3Boostrappe...tr.pak
windows11-ltsc_2024-x64
3Boostrappe...uk.pak
windows10-2004-x64
3Boostrappe...uk.pak
windows11-ltsc_2024-x64
8Boostrappe...ur.pak
windows10-2004-x64
3Boostrappe...ur.pak
windows11-ltsc_2024-x64
3Boostrappe...vi.pak
windows10-2004-x64
3Boostrappe...vi.pak
windows11-ltsc_2024-x64
3Boostrappe...CN.pak
windows10-2004-x64
3Boostrappe...CN.pak
windows11-ltsc_2024-x64
3Boostrappe...TW.pak
windows10-2004-x64
3Boostrappe...TW.pak
windows11-ltsc_2024-x64
3Boostrappe...vi.pak
windows10-2004-x64
3Boostrappe...vi.pak
windows11-ltsc_2024-x64
3Boostrappe...d.json
windows10-2004-x64
3Boostrappe...d.json
windows11-ltsc_2024-x64
3Boostrappe...nt.dll
windows10-2004-x64
8Boostrappe...nt.dll
windows11-ltsc_2024-x64
10Boostrappe...le.txt
windows10-2004-x64
1Boostrappe...le.txt
windows11-ltsc_2024-x64
1Boostrappe...tefile
windows10-2004-x64
1Boostrappe...tefile
windows11-ltsc_2024-x64
1Boostrappe...le.txt
windows10-2004-x64
1Boostrappe...le.txt
windows11-ltsc_2024-x64
1Boostrappe..._FE.iy
windows10-2004-x64
3Boostrappe..._FE.iy
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/06/2026, 10:51
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper_v3.9.7.zip
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Bootstrapper_v3.9.7.zip
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral3
Sample
Boostrapper_v3.9.3/locales/hi.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Boostrapper_v3.9.3/locales/hi.pak
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral5
Sample
Boostrapper_v3.9.3/locales/locales/th.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Boostrapper_v3.9.3/locales/locales/th.pak
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral7
Sample
Boostrapper_v3.9.3/locales/locales/tr.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Boostrapper_v3.9.3/locales/locales/tr.pak
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral9
Sample
Boostrapper_v3.9.3/locales/locales/uk.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Boostrapper_v3.9.3/locales/locales/uk.pak
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral11
Sample
Boostrapper_v3.9.3/locales/locales/ur.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
Boostrapper_v3.9.3/locales/locales/ur.pak
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral13
Sample
Boostrapper_v3.9.3/locales/locales/vi.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Boostrapper_v3.9.3/locales/locales/vi.pak
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral15
Sample
Boostrapper_v3.9.3/locales/locales/zh-CN.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
Boostrapper_v3.9.3/locales/locales/zh-CN.pak
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral17
Sample
Boostrapper_v3.9.3/locales/locales/zh-TW.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
Boostrapper_v3.9.3/locales/locales/zh-TW.pak
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral19
Sample
Boostrapper_v3.9.3/locales/resources/vi.pak
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
Boostrapper_v3.9.3/locales/resources/vi.pak
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral21
Sample
Boostrapper_v3.9.3/locales/resources/vk_swiftshader_icd.json
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
Boostrapper_v3.9.3/locales/resources/vk_swiftshader_icd.json
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral23
Sample
Boostrapper_v3.9.3/mpclient.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
Boostrapper_v3.9.3/mpclient.dll
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral25
Sample
Boostrapper_v3.9.3/workspace/.tests/readfile.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
Boostrapper_v3.9.3/workspace/.tests/readfile.txt
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral27
Sample
Boostrapper_v3.9.3/workspace/.tests/writefile
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
Boostrapper_v3.9.3/workspace/.tests/writefile
Resource
win11ltsc2024-20260618-en
Behavioral task
behavioral29
Sample
Boostrapper_v3.9.3/workspace/.tests/writefile.txt
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
Boostrapper_v3.9.3/workspace/.tests/writefile.txt
Resource
win11ltsc2024-20260617-en
Behavioral task
behavioral31
Sample
Boostrapper_v3.9.3/workspace/IY_FE.iy
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
Boostrapper_v3.9.3/workspace/IY_FE.iy
Resource
win11ltsc2024-20260617-en
General
- Target Boostrapper_v3.9.3/workspace/IY_FE.iy
- Size 539B
- Sample260620-mya8psev3l
- SHA256 73bb58ba5b81960caf5a8e66675cc89b5761b77db99c6ceb9435f7211d400452
- MD5 291d5636a434c4f1ceb0f3f776c2a51f
- SHA1 ae287e08f71c522a72812f0dace94b8ffb569341
- SHA512 7dab8034f85aef1b2b7a86cc8220ebdbb95a3f083d1565e1cff38414367aa69fc597a11aaba11dbef411e13fbfb285855d9c46ae59738f6e88c22dd55c81a743
- TLSH T1F7F02B6E530C0ABAC0515260D63531BFC6FF4EB73020D855A5BC1D6D13EAEA24E70903
- MD5 SHA1 SHA512 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-1-5-21-3226024100-3888324339-2736661264-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-3226024100-3888324339-2736661264-1000_Classes\Local Settings OpenWith.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5036 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Boostrapper_v3.9.3\workspace\IY_FE.iy1⤵
- Modifies registry class
PID:5580
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5036