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Analysis
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max time kernel
141s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
18/09/2023, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
RFQ230163R01.xls
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
RFQ230163R01.xls
Resource
win10v2004-20230915-en
General
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Target
RFQ230163R01.xls
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Size
1.1MB
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MD5
941f74a926b1cdf782549e02f1aea9c5
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SHA1
c12b76ef6afb7d8ab70cf7ea573c411aff9f9021
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SHA256
dfa91027ec1477cf162e6a856177147be4ef459b8d462c657c6bb589fd823f5e
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SHA512
e5314028e581b35d65e8123471971e68ba73d2670dadd61a5f66a40a9e3a01226b2ee4b874e990160ba3e8b9681a32e91192c073a22aa90c017d3b1faa778f1b
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SSDEEP
24576:GWQmmav30xSZy6w6Vc6NagZyew6VK6NF7o54VQcTAZi6vjh3KwK0:7QmmQ306+6Vd3K6VvNVrTn6vjh6x
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 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 4100 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4100 EXCEL.EXE 4100 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 EXCEL.EXE 4100 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\RFQ230163R01.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4100
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12.7MB
MD539f5413978ac3979d52ed36c18a44f97
SHA1edf6d3c3407e8a6b6e714bddebb1db96510d186d
SHA256efb8332983a69b59af97e53011ac0c54d7e6bfc41056ce0ef424537aa33dbae1
SHA5122b2f6460496fac23d6a428c1734f14ff69cf7c963de9f7f32489fd48c2431dacacacd7942d85b8fc314db9ce9bf8176084d5befba6ebe6543df70c81985af855
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Filesize
1.4MB
MD5a01b9617553432807b9b58025b338d97
SHA1439bdcc450408b9735b2428c2d53d2e6977fa58c
SHA2567a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce
SHA512312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee