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Analysis
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max time kernel
158s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
REVISED INVOICE.xlsx
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
REVISED INVOICE.xlsx
Resource
win10v2004-20220812-en
General
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Target
REVISED INVOICE.xlsx
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Size
180KB
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MD5
4f12f3d51d9d16c64b0a4b826bbc5b11
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SHA1
f1e8d4ac587fc56e83fff309b7e4684298e3d8c0
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SHA256
29013957f0c83fb4e8b4c8e8461b17987fa66101fc438c07d0e89c42aa3db4e2
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SHA512
e1cbe000d390c3a276a7b067fabdb25814aea2b96c06375171a72d8c65992c46e12806a5fc77272034ec1be5ef0653c980f5d2e5546cea8d64895d128e58a0ee
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SSDEEP
3072:OuLGZNKq0qSv+tiKx9RT8FhaWAbVnXLxZryxVsE3h3SY2W8U+6oEgVPAsW+mS:4ZNwVv0GtA9XdxyYER3d2W8hFEgRAr+P
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 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 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 4768 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE 4768 EXCEL.EXE
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\REVISED INVOICE.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4768