Analysis
- max time kernel
149s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/06/2026, 12:09
Static task
static1
Behavioral task
behavioral1
Sample
doc12594020251129074.xls
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
doc12594020251129074.xls
Resource
win11-20260513-en
9 signatures
150 seconds
General
- Target doc12594020251129074.xls
- Size 583KB
- Sample260616-pbt4eabs8j
- SHA256 bce8fd7fc45afac684eec2f09ec530d4f03e808f7aad5ace330ecff0ae3ad49f
- MD5 fd1ea8ebf245436c953a6e10fefb2bb0
- SHA1 9236ae7d69cb433a62b981f4bfa9049282f4c583
- SHA512 4bbfb6b3fd9e39c98c5d0de71cc4fda56040dcc8bfebbc09f477193ae0dd710f7bae888ec3e29e2e96b476a4770f77fc905323c9e64b229748b93f73bb4e3776
- SSDEEP 6144:XLFZsNjvayi/zZ+RwPONXoRjZ7SezmfDlavx+W/WGW3i9BxfQvUNNtnJQ/jrLE+a:XLH4jiIi9PQvUJ0iqLHMzc/paaFo
- TLSH T1EED40161F2949A0BCF1A0F7A87C7C6AA5A11FDA05E5A860F7144736F2EF36912D03D0D
- 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 1756 2592 mshta.exe 79 - 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 2592 EXCEL.EXE - Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE 2592 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2592 wrote to memory of 1756 2592 EXCEL.EXE 81 - 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\doc12594020251129074.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:1756
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 ea83c70255092d52ea2b679b4bb7be300c21d6eb31e7311f6f64c34803bbc1e8
- MD5 160dc889ad379cbe4ad66e1e6d6e376f
- SHA1 80d09634dd46b37aebb6707a66b733092477a7a9
- SHA512 f3d6801017b0e3fbd6c2d1ab10762137a5c68633b30445dbefab95e3fedf2878e75128984513a7417f914cec8c518fd0d0c53a460de65368bbab2a4a97785d4f
- TLSH T19D2126020F83AF57C1314637653B87059B70BD469731921F2EC8350B6C74541CA5EA6E
- MD5 SHA1 SHA512 TLSH