Overview
overview
7Static
static
3Afterschoo....1.zip
windows10-2004-x64
1Afterschoo....1.zip
windows11-ltsc_2024-x64
1Afterschoo...ko.exe
windows10-2004-x64
3Afterschoo...ko.exe
windows11-ltsc_2024-x64
3Afterschoo...ME.txt
windows10-2004-x64
1Afterschoo...ME.txt
windows11-ltsc_2024-x64
1Afterschoo...xt.csv
windows10-2004-x64
1Afterschoo...xt.csv
windows11-ltsc_2024-x64
1Afterschoo...ta.win
windows10-2004-x64
3Afterschoo...ta.win
windows11-ltsc_2024-x64
3Afterschoo...ns.ini
windows10-2004-x64
1Afterschoo...ns.ini
windows11-ltsc_2024-x64
1Afterschoo...!!.txt
windows10-2004-x64
1Afterschoo...!!.txt
windows11-ltsc_2024-x64
1Afterschoo...PC.url
windows10-2004-x64
1Afterschoo...PC.url
windows11-ltsc_2024-x64
1Afterschoo...up.exe
windows10-2004-x64
7Afterschoo...up.exe
windows11-ltsc_2024-x64
7Afterschoo...up.exe
windows10-2004-x64
7Afterschoo...up.exe
windows11-ltsc_2024-x64
7Afterschoo...st.exe
windows10-2004-x64
6Afterschoo...st.exe
windows11-ltsc_2024-x64
6Afterschoo...64.exe
windows10-2004-x64
4Afterschoo...64.exe
windows11-ltsc_2024-x64
4Afterschoo...86.exe
windows10-2004-x64
4Afterschoo...86.exe
windows11-ltsc_2024-x64
4Afterschoo...64.exe
windows10-2004-x64
7Afterschoo...64.exe
windows11-ltsc_2024-x64
7Afterschoo...86.exe
windows10-2004-x64
7Afterschoo...86.exe
windows11-ltsc_2024-x64
7Afterschoo...st.msi
windows10-2004-x64
7Afterschoo...st.msi
windows11-ltsc_2024-x64
7Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/10/2026, 04:25
Static task
static1
Behavioral task
behavioral1
Sample
Afterschool.Tag.v1.0.1.zip
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Afterschool.Tag.v1.0.1.zip
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/Houkago no Onigokko.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/Houkago no Onigokko.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/README.txt
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/README.txt
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/Text.csv
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/Text.csv
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/data.win
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/data.win
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/options.ini
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/options.ini
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
Afterschool.Tag.v1.0.1/HOW TO RUN GAME!!.txt
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
Afterschool.Tag.v1.0.1/HOW TO RUN GAME!!.txt
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
Afterschool.Tag.v1.0.1/STEAMUNLOCKED » Free Steam Games Pre-installed for PC.url
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
Afterschool.Tag.v1.0.1/STEAMUNLOCKED » Free Steam Games Pre-installed for PC.url
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
Afterschool.Tag.v1.0.1/_Redist/dotNetFx40_Full_setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
Afterschool.Tag.v1.0.1/_Redist/dotNetFx40_Full_setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
Afterschool.Tag.v1.0.1/_Redist/dxwebsetup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
Afterschool.Tag.v1.0.1/_Redist/dxwebsetup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
Afterschool.Tag.v1.0.1/_Redist/oalinst.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
Afterschool.Tag.v1.0.1/_Redist/oalinst.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_2015-2019_x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_2015-2019_x64.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral25
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_2015-2019_x86.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral26
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_2015-2019_x86.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral27
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_x64.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral28
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_x64.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral29
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_x86.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral30
Sample
Afterschool.Tag.v1.0.1/_Redist/vcredist_x86.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral31
Sample
Afterschool.Tag.v1.0.1/_Redist/xnafx40_redist.msi
Resource
win10v2004-20260911-en
Behavioral task
behavioral32
Sample
Afterschool.Tag.v1.0.1/_Redist/xnafx40_redist.msi
Resource
win11ltsc2024-20260911-en
General
- Target Afterschool.Tag.v1.0.1/Afterschool Tag v1.0.1/Text.csv
- Size 14KB
- Sample261023-e2ascaby7n
- SHA256 626c9c30b4f3e333e401405b14af8b3044e7110703b9c415c07bc0fbc97351af
- MD5 bb57c9d9bb8ea24ad223f579fdad1a2f
- SHA1 0f67e704299726d41d027e0068bf7eda232eab85
- SHA512 1440ca36cd44c010e42e6ca2821581c2d7daecdff9be24e5a6e1b903c10be604052d6025210f3909f31a153653c1656b0f559e3da80d41ee858be2f0b755b963
- SSDEEP 192:wDlp8Siv7LvMzWno7vLz7J7aemJ5n3WsLrCuvM0JGaWMSLKPuDpcxVgbK:8SSiv7YzLjPJW5J5mazVc1MSOx1
- TLSH T1A1522BBD410599E117926181EFAC65B6EA446E5BFB5332B0BC3CC09114A0EEFEE02975
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1384 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE 1384 EXCEL.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Afterschool.Tag.v1.0.1\Afterschool Tag v1.0.1\Text.csv"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1384
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6PEXMRDCYPZI0TJ7TY73.temp
- Size 1KB
- SHA256 6ba35b41883247f15106ee81012afd4dbba7fb3f948c5b7857a06f540d3f8231
- MD5 7ab82fa376f70c0edabbd3da340fe63b
- SHA1 54a3729d0505d3ef2c4e68d9fafa371e801a82ee
- SHA512 12c75698e053440ef3a708d76038a64c6a36a53cb8b79be1ac835cd3a4964716f01e93b39745f4338eb0a3b582795704e7f25c51ad5f968cdbc2890e054a95fd
- TLSH T13921E10507C30F96E79446361E3B5305FBF0B806D609960F9651916F3C64C40665DB9E
- MD5 SHA1 SHA512 TLSH