Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
05-10-2023 08:47
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order 4502726800.xls
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Purchase Order 4502726800.xls
Resource
win10v2004-20230915-en
General
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Target
Purchase Order 4502726800.xls
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Size
1.3MB
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MD5
11183eb7b983bfb2186430f24434d772
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SHA1
bcbe97b20a3c8cd38f92c86c299e5f8ae8717f91
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SHA256
7913fa8f88bcf743352767b91881a163ac31b56a30c09fe87a3547690e481430
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SHA512
85fff7017fac0c77c7cb8e0e5f162a430e3f20bc13c90061106cc349c12d54a473298be21a184bd20d0b0859be1edc884dab73b907eb4f3859e8cd969af4f4bf
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SSDEEP
24576:KWQmmav30xuToZyow6VbAXZSCWZyXw6VoAXZSGmwVJzfJbW0YfEhVivUziH/wrxU:vQmmQ30ps6VIEp76V3EqVW7f6ZzifE
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 4540 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4540 EXCEL.EXE 4540 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 EXCEL.EXE 4540 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\Purchase Order 4502726800.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4540
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5a01b9617553432807b9b58025b338d97
SHA1439bdcc450408b9735b2428c2d53d2e6977fa58c
SHA2567a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce
SHA512312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee
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Filesize
526KB
MD5b1276fb00ff154303ae1184c774799b4
SHA138dae5f6f42d12e6b4103d89876a08ff339630b7
SHA2569db01b64ecbffc09592278d4c0961eb5c30fcaa2f59d9ff04d494f8363247e81
SHA5126697d66e93f8a53a990672cfc047a0a3e50b12fe2009b4e7b5ae09e99146ca015d084ad0ca91cffb8124fbabec832086bd5874fe3f0d87890a36d024a11e0065