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Analysis
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max time kernel
133s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/01/2025, 11:47
Static task
static1
Behavioral task
behavioral1
Sample
RFQ # PC25-1301_1.xlsx
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ # PC25-1301_1.xlsx
Resource
win10v2004-20241007-en
General
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Target
RFQ # PC25-1301_1.xlsx
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Size
1.8MB
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MD5
d3f593571da9b55237a49f9c23a12d9a
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SHA1
b3c9a6ca51802326e7de5a6854199fc369bc3b08
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SHA256
ff07908a590dec7673c510ec4d0043d8825a54039e35b7c28c299f95c55336c3
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SHA512
114950c12cc9fd0aa50544caed8fa0f710cc596c67ec90d3b5d2e1a72c18b5706b25ef3030949805be0e90bab31d6010fe6b0d1ab090e0651b0254482e113df8
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SSDEEP
49152:OwVliPFnflCwADoUpbmepmSTKrks1l4FWQCMsx7/:Ow4dflKxpaepmS2rksiWQJsx7/
Malware Config
Signatures
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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 4000 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE 4000 EXCEL.EXE -
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\RFQ # PC25-1301_1.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD57fe74f7c0e75fd56a32a53a7aca360e6
SHA11635a3323a492800d7838edf320c0459fd45974d
SHA256ace707fc1b4673bb384ab9f943bf7891bf84b7c39903815c371b72b5926f81eb
SHA5124f0417b0b2a3ce7e6b511fef6aa53dcacb61dcb048e2802fd8dd9278df04db5bf44d793350bf4322d87b71e604fe2184ea7dbc609fbb2a565e1386ad867c2ac6