Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/07/2026, 10:06
Static task
static1
Behavioral task
behavioral1
Sample
PO0035769.xls
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO0035769.xls
Resource
win11ltsc2024-20260706-en
9 signatures
150 seconds
General
- Target PO0035769.xls
- Size 28KB
- Sample260709-l5bmdagt2k
- SHA256 72c791047deed44ae7e5d1a46b526e5989ea40925a6d1e1c0bbdbe6a12042ee1
- MD5 3be390d8f63571f8fe23d0adde585f59
- SHA1 2039e5840b87167b76c2f2d421a32d11a00d54ef
- SHA512 d1d76d4ebd25bf34e96e053c759688766715b8f773420f8245d35daa13a80e089e28345fa987f51178a3c7369e9601fc9ce8df0be1601b7f8912cd8596dba544
- SSDEEP 384:SqVpTao9fXqZPI7ZrYHfkx/eeP3N2ym8FXj0umQr5dPDNXhV:hEZE8/kRTP3N2yXFbmqdPDBh
- TLSH T1BCD28C0033A9C10AE185A6728ED4D2CF2621FD62EF63964B33C57B1F193DA91D463B5B
- 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 4768 4760 mshta.exe 87 - 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 4760 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE 4760 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4760 wrote to memory of 4768 4760 EXCEL.EXE 89 - 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\PO0035769.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4768
-
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 3KB
- SHA256 68ffd2a96bfaeb0a1efe30899982391e587dfef8eb8ffe504894865404287434
- MD5 4860d94c54ba38c3a7a7e73ad58c8b43
- SHA1 2faa7e452ed509704f4d48bf2da0c134227ec6c2
- SHA512 b038b6943e0afd0acea038b44c2131c5ea5f0c3a5d777c8f87029573c652b140e72f8443d443bf8beb030b281556d193ddafac562192e3e942fa29ea3a137060
- TLSH T11F51EF120A574B66E06842F96A39CB19D360BC167F19872EF5C8C12F3DB64408758E59
- MD5 SHA1 SHA512 TLSH