Analysis
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max time kernel
143s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 15:09
Static task
static1
Behavioral task
behavioral1
Sample
Document.xla.xls
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Document.xla.xls
Resource
win10v2004-20241007-en
General
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Target
Document.xla.xls
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Size
937KB
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MD5
3f507483c69122665749c74957fecbcf
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SHA1
8fa0278a58eb2262edf9d5109653ab6225c4d030
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SHA256
35423879af97aa746f2c25ba204b152e8eb36a45bd2e9cadfd9c77fe39ef1604
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SHA512
a784545263e79b128fda617020b39eb7558b08821c5906fe02b76a009d6911e71081ace9f0f32af6bfbd160a99afb8ab106bfe6fe270587f9585d3189b6d32f3
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SSDEEP
12288:6UXN9WeWy3aJwFNk3Zjy5dbHsu6KGsWmDYaut1Zp3tFtSGj8ahHS/yyy:DusaGFNkpyYu67sNDNw1JFtSELQ/yyy
Malware Config
Signatures
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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 4444 1660 mshta.exe 83 -
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 1660 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE 1660 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1660 wrote to memory of 4444 1660 EXCEL.EXE 89 PID 1660 wrote to memory of 4444 1660 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.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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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.xla.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:4444
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