Analysis
- max time kernel
148s - max time network
135s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/09/2026, 09:40
Static task
static1
Behavioral task
behavioral1
Sample
d3868903c83ee8f0c729fa6c3ab6e38efa98dfa71882b0f23378c00a371dfdea.xls
Resource
win10v2004-20260911-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
d3868903c83ee8f0c729fa6c3ab6e38efa98dfa71882b0f23378c00a371dfdea.xls
Resource
win11ltsc2024-20260911-en
9 signatures
150 seconds
General
- Target d3868903c83ee8f0c729fa6c3ab6e38efa98dfa71882b0f23378c00a371dfdea.xls
- Size 744KB
- Sample260928-lnl2sa1blh
- SHA256 d3868903c83ee8f0c729fa6c3ab6e38efa98dfa71882b0f23378c00a371dfdea
- MD5 926c6a77bdf607bb334875c6c05b2ebb
- SHA1 4a7a98f2f30884291c9ed809dd9cef47f26f435a
- SHA512 ca36fccebcd7bb7898b612ab5217360680e370f0b7caf7c0f5574bb0a2f29e2c9cca90c861260a6d49d8f0f99bf02d45d266cee1a63e58ce2883bd7606c3f11f
- SSDEEP 6144:MJ/CDkbzlPFpjVRenpDNxuUMabw96dt/A9LZxJ8ernpY+fUigUU:W/YkXbLBqopLJ/Y+fH
- TLSH T1C8F4124A35E9CF53F79B05738AC4C696161EFE618F47C2273202B32F96797F1828A521
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2092 3604 mshta.exe 89 - 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3604 EXCEL.EXE - Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3604 wrote to memory of 2092 3604 EXCEL.EXE 91 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\d3868903c83ee8f0c729fa6c3ab6e38efa98dfa71882b0f23378c00a371dfdea.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:2092
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 b8aad5f94ec97db3b456fbfbd0f16ca6fbc2f0b023d76c5964efd54bff352e68
- MD5 29cc2e55c3c33616649cd172a0044e8e
- SHA1 f73587cc8a4ed742e866df77daaea15bf19461d6
- SHA512 8a7cf0306aaeacaea389f0707c7ec5698c7d76dd96190d36ef8ea296677c75dfe22db2c9354a0debcb512f25fd08f20134a83e105784a58ec30e527f3a702238
- TLSH T1AD41110309871F6BC2584BB27E3A833EE770BC459705D71E9185A17F6E75A008A7DE2B
- MD5 SHA1 SHA512 TLSH