Analysis
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max time kernel
135s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-03-2021 06:38
Behavioral task
behavioral1
Sample
attiv_1847.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
attiv_1847.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
attiv_1847.xlsb
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Size
60KB
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MD5
fea55ad0c3ce9f252cbafd6e74b4d178
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SHA1
03388385efd77d4bb11fdde2c390e2c83331f6ba
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SHA256
433157ed567acf6e78c536d6dab49c5409e65900e528c2cd4731240ad420891d
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SHA512
103d34182f4ae73e65f11a64e486465291782c43f6f750ea09fae607ece9c249877d5a5c15ffcf51e0d47319b18dc68abb08a113dedd5c01505f057531849686
Score
1/10
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.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 4772 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 EXCEL.EXE 4772 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\attiv_1847.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4772-2-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmpFilesize
64KB
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memory/4772-3-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmpFilesize
64KB
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memory/4772-4-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmpFilesize
64KB
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memory/4772-5-0x00007FFBE3C60000-0x00007FFBE4297000-memory.dmpFilesize
6.2MB
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memory/4772-6-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmpFilesize
64KB