Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 14:21
Static task
static1
Behavioral task
behavioral1
Sample
Document.xls
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
Document.xls
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
General
- Target Document.xls
- Size 899KB
- Sample260806-rn92hashqb
- SHA256 9d04cf6270ffd3503268068f18ba8fa4aa3b13c3362ed768de05d924760db774
- MD5 3b0b7165cf108cc61ac8dbb4143b0cc9
- SHA1 288d6d688ee3bb75b6792c16b00f2782bab0ffc7
- SHA512 4eed4d4347a5d4c90c3eb803f2319dd42791e358a9a10024f285db7906424f7bb3a1b54873f3f62345449e528aef1dd397da2a1e980eccffccf84a84ee9bd327
- SSDEEP 24576:qKNt1QRT/64rmMu1UiVNEuH0OmA4F1xvaS:qKNtmB6Ou19vEuVd4D5
- TLSH T1A8151202FE80443BC99257380F93A6D1960DBC5B6D6B4A4E2B45337EBD3B6F4D8A2D05
- 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 4824 3388 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 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 3388 EXCEL.EXE - Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE 3388 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3388 wrote to memory of 4824 3388 EXCEL.EXE 90 - 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\Document.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3388 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4824
-
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 660B
- SHA256 00efe6cebed3ede36cd1f32330c51fbb7d9568282c2b01f76e1420f7e8e6bed1
- MD5 b50e7184e862983916491a26ca743469
- SHA1 b3a77870a460aaddae8437dd91ad002a23290023
- SHA512 aef6dce51ccbb90dc0f15768725a52921c9dbc6e318d5b61642b0ba93c6b3512e196e8710da620e83b681b9b686f270c20221f42a9f6a220fb0c34610ebf4773
- TLSH T14101E1028D5B6E4AC01503B3292F5399EFB0F411A604824CA2C0A117BCA5658DA48E2A
- MD5 SHA1 SHA512 TLSH