Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 15:24
Static task
static1
Behavioral task
behavioral1
Sample
PO-0075930-1.xls
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
PO-0075930-1.xls
Resource
win10v2004-20231130-en
General
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Target
PO-0075930-1.xls
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Size
1.1MB
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MD5
c677f23b98f41ace3e30b3451a29e865
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SHA1
c04789e8a9edea9ad9b8694bbc471460ce3d2e8f
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SHA256
46cc5500d9579887c1d2694b124d18f2915c0e372bd725aa57a4eb610e02a75a
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SHA512
fc2bb50269d62a5d31b82dbbbfbdef9164bbdd14f4406e82ba3238e338a9c306ca1aede8c8e81e0bfb23bd861c2a965ce1e926712d9919bb7f09d36ce0a223b1
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SSDEEP
24576:Bw6/4ZyEAXZS8sw6/mZyGAXZSZiGwwcqZUovtJfTJqdLQ33powDXH:66/qKEE6/wEE+CjvjdMLQ33pokX
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\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4456 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 EXCEL.EXE 4456 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\PO-0075930-1.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
526KB
MD5a3051cfbb9630c7051a258fdd425031c
SHA17603f77dfff7673c05a1ee7ee54390ac7475307f
SHA256d98dada00f1a9329257a33f2a9ec603bc7884812f4b65e7c8dec100c0ca393fe
SHA512110bca7c1962c151177c7102311540990f9d9f03952e4a8380b872e0179a9761766ea66a06b3e0dba630133949a5506d3401ddce9b5631910f9c3efa914768d3
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Filesize
850KB
MD537b5450c81d44461252aae45196d9c91
SHA1a22e7632eecd512c140f6bf9467a65d33d9c355d
SHA2562eaddab89328c00aca0b19842125d6f112eb4daaa3b9638c4e8c25d4ccf613c6
SHA51250c85dcaa551ffb875e994fa24b1bec6fa77a2e3b36372f3bb8369d3f49652e8595f64d5b2d582872f4804897781adefa8e01d45b7427dab7a71d92f2f0ce20a