Overview
overview
5Static
static
5MSBuild/Ba...ld.dll
windows10-2004-x64
1MSBuild/Ba...ld.dll
windows11-ltsc_2024-x64
1MSBuild/li...__.pyc
windows10-2004-x64
3MSBuild/li...__.pyc
windows11-ltsc_2024-x64
3MSBuild/li...__.pyc
windows10-2004-x64
3MSBuild/li...__.pyc
windows11-ltsc_2024-x64
3MSBuild/li...or.pyc
windows10-2004-x64
3MSBuild/li...or.pyc
windows11-ltsc_2024-x64
3MSBuild/li...ls.pyc
windows10-2004-x64
3MSBuild/li...ls.pyc
windows11-ltsc_2024-x64
3MSBuild/li...aph.js
windows10-2004-x64
3MSBuild/li...aph.js
windows11-ltsc_2024-x64
3MSBuild/li...e.html
windows10-2004-x64
3MSBuild/li...e.html
windows11-ltsc_2024-x64
3MSBuild/li...ls.pyc
windows10-2004-x64
3MSBuild/li...ls.pyc
windows11-ltsc_2024-x64
3MSBuild/li...map.js
windows10-2004-x64
3MSBuild/li...map.js
windows11-ltsc_2024-x64
3MSBuild/li...dex.js
windows10-2004-x64
3MSBuild/li...dex.js
windows11-ltsc_2024-x64
3MSBuild/li...e.html
windows10-2004-x64
3MSBuild/li...e.html
windows11-ltsc_2024-x64
3MSBuild/li...e.html
windows10-2004-x64
3MSBuild/li...e.html
windows11-ltsc_2024-x64
3MSBuild/li...red.js
windows10-2004-x64
3MSBuild/li...red.js
windows11-ltsc_2024-x64
3MSBuild/li...ase.js
windows10-2004-x64
3MSBuild/li...ase.js
windows11-ltsc_2024-x64
3MSBuild/li...or.pyc
windows10-2004-x64
3MSBuild/li...or.pyc
windows11-ltsc_2024-x64
3MSBuild/li...min.js
windows10-2004-x64
3MSBuild/li...min.js
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/09/2026, 15:47
Static task
static1
Behavioral task
behavioral1
Sample
MSBuild/Babel.Build.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
MSBuild/Babel.Build.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
MSBuild/lic/__init__.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
MSBuild/lic/__init__.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
MSBuild/lic/__main__.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
MSBuild/lic/__main__.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
MSBuild/lic/_child_monitor.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
MSBuild/lic/_child_monitor.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
MSBuild/lic/_css_utils.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
MSBuild/lic/_css_utils.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
MSBuild/lic/_flamegraph_assets/flamegraph.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
MSBuild/lic/_flamegraph_assets/flamegraph.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
MSBuild/lic/_flamegraph_assets/flamegraph_template.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
MSBuild/lic/_flamegraph_assets/flamegraph_template.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
MSBuild/lic/_format_utils.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
MSBuild/lic/_format_utils.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
MSBuild/lic/_heatmap_assets/heatmap.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
MSBuild/lic/_heatmap_assets/heatmap.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
MSBuild/lic/_heatmap_assets/heatmap_index.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
MSBuild/lic/_heatmap_assets/heatmap_index.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
MSBuild/lic/_heatmap_assets/heatmap_index_template.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
MSBuild/lic/_heatmap_assets/heatmap_index_template.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
MSBuild/lic/_heatmap_assets/heatmap_pyfile_template.html
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
MSBuild/lic/_heatmap_assets/heatmap_pyfile_template.html
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral25
Sample
MSBuild/lic/_heatmap_assets/heatmap_shared.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral26
Sample
MSBuild/lic/_heatmap_assets/heatmap_shared.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral27
Sample
MSBuild/lic/_shared_assets/base.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral28
Sample
MSBuild/lic/_shared_assets/base.js
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral29
Sample
MSBuild/lic/_sync_coordinator.pyc
Resource
win10v2004-20260911-en
Behavioral task
behavioral30
Sample
MSBuild/lic/_sync_coordinator.pyc
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral31
Sample
MSBuild/lic/_vendor/d3-flame-graph/4.1.3/d3-flamegraph-tooltip.min.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral32
Sample
MSBuild/lic/_vendor/d3-flame-graph/4.1.3/d3-flamegraph-tooltip.min.js
Resource
win11ltsc2024-20260911-en
General
- Target MSBuild/lic/_child_monitor.pyc
- Size 10KB
- Sample260919-s8ea1asgkd
- SHA256 15dd907394235402e4891e6061a78c5f73ec8122c5d7bea7dc94c75ee9a6e4e1
- MD5 67b0668c013e23a95777fdea120cf23d
- SHA1 0bb9780c508e533f406951ef655dbb3a9ff3c7bb
- SHA512 07fccaf3b1b615fa7e9ffe18f25fff9e89f22eba9d8ea0105b521879a22194715b92c77d66d425d4c3d9962a0861a91604ab1671c754e9a7abc29abf206a6626
- SSDEEP 192:j4/SJrm9hwBQ8IR+9T6fghzqcNhRtqaOJuhgYBV6EM4LRH:j4/SJa9hdkWfgh3hyaOJuh1RH
- TLSH T1DB22B5DAA8446167FDCDF4FA20338E2937A25153F110D20BBD98492D1C9A1852FD93BA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
pid Process 3124 cmd.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-240542094-4193773837-3211495583-1000_Classes\Local Settings cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3284 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\MSBuild\lic\_child_monitor.pyc1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:3124
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3284