Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-10-2024 02:01
Static task
static1
Behavioral task
behavioral1
Sample
fca38bbe2ae4512d5245a3d53392185bd425e7045c6fdd72a2928c1e5ec8e036.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fca38bbe2ae4512d5245a3d53392185bd425e7045c6fdd72a2928c1e5ec8e036.xls
Resource
win10v2004-20241007-en
General
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Target
fca38bbe2ae4512d5245a3d53392185bd425e7045c6fdd72a2928c1e5ec8e036.xls
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Size
869KB
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MD5
22100d6799cce6677b27c5adedc37555
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SHA1
ab6e115fb8de52dce34a26b384780c730bb1c0bf
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SHA256
fca38bbe2ae4512d5245a3d53392185bd425e7045c6fdd72a2928c1e5ec8e036
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SHA512
a78943a97ca87c20a0da4380da617ca3248399fc9b00a101886f08972696606309fa8962cc3b66ff7dd8daefb2ba20572fa5401b7764e4ee7fc25d87d7bffdcb
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SSDEEP
12288:1lBjmzHJE+CzldDD3DERnLRmF8DaJhuBU3LLQDC7SGooNnlix9I:TByczlVbARM8uoU3nQ4xiH
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 3808 1364 mshta.exe 85 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 1364 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE 1364 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1364 wrote to memory of 3808 1364 EXCEL.EXE 89 PID 1364 wrote to memory of 3808 1364 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\fca38bbe2ae4512d5245a3d53392185bd425e7045c6fdd72a2928c1e5ec8e036.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe -Embedding2⤵
- Process spawned unexpected child process
PID:3808
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