Analysis
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max time kernel
142s -
max time network
139s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-03-2021 08:59
Behavioral task
behavioral1
Sample
attiv_1441.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
attiv_1441.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
attiv_1441.xlsb
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Size
76KB
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MD5
4f9da79a659fcfc70db7a86c87fede84
-
SHA1
4d731ec8a09cbf09058dab36b5b615dd56d12951
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SHA256
a12bcb52bc37395897705cf344cb7d63f3e0007c2a8788650c7f7dd8464514d9
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SHA512
5a173d72e3a99221cf388171743389bec89fbb0f57c7b8920c5092b670e87b6259c7fe009c0c0332f43187870573b29d617c647f2ad50051e188baa9d8e24756
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 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
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 740 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 EXCEL.EXE 740 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_1441.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
Loading Replay Monitor...
Downloads
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memory/740-2-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmpFilesize
64KB
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memory/740-3-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmpFilesize
64KB
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memory/740-4-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmpFilesize
64KB
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memory/740-5-0x00007FFD4E120000-0x00007FFD4E130000-memory.dmpFilesize
64KB
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memory/740-6-0x00007FFD711A0000-0x00007FFD717D7000-memory.dmpFilesize
6.2MB