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Analysis
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max time kernel
101s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2023, 15:42
Static task
static1
Behavioral task
behavioral1
Sample
Irby-Hattiesburg.xlsx
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Irby-Hattiesburg.xlsx
Resource
win10v2004-20230220-en
General
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Target
Irby-Hattiesburg.xlsx
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Size
10KB
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MD5
d802ac8f3befcc3b62978d54bfe5ddd1
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SHA1
5914a6d06d74c196aa4766b9f4074a0cae69e57b
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SHA256
d6584a53d937862eed4a6a9f5582e3031c15ed4ee4d6fe7e51f2a60a151cafba
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SHA512
177aa52e93f5ce67336fd79c325a49ae8fd1ba6aace64e4b0761720a04fcdeee91508ccc896762316d2175f2312d47fd74f6705d779c8b10227ad3656e713377
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SSDEEP
192:wc8mVrb3UyYfLJCYqZWiheaFUlbVvevUqz45ZjAMDaPMbZ7B9JwBR:wc3136FJ0WihnUlM9z4fjvDf1JwBR
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 220 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 220 EXCEL.EXE 220 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 EXCEL.EXE 220 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\Irby-Hattiesburg.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:220