Analysis
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max time kernel
131s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
29-03-2022 02:49
Behavioral task
behavioral1
Sample
a1f4038388b274dfe6fed5cf7ddf51c638d4b5b459fbd7e80edf3b53e46cd64e.xlsb
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
a1f4038388b274dfe6fed5cf7ddf51c638d4b5b459fbd7e80edf3b53e46cd64e.xlsb
Resource
win10v2004-en-20220113
General
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Target
a1f4038388b274dfe6fed5cf7ddf51c638d4b5b459fbd7e80edf3b53e46cd64e.xlsb
-
Size
357KB
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MD5
097a9aaf3567d30b274f7fcf2efd3263
-
SHA1
9ebafb6099a56a1578c64b09e6e6d8253b18c67d
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SHA256
a1f4038388b274dfe6fed5cf7ddf51c638d4b5b459fbd7e80edf3b53e46cd64e
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SHA512
9116fce74cada20a7718c6521be56e1520a374b9fb34d5f19059a9bb6ef8e038db563d48ba55fbed9e6df550977f9ff3cb73c5f67fbb5688d0b13bac59aa49f8
Malware Config
Extracted
http://myscape.in/ds/161120.gif
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 2732 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 EXCEL.EXE 2732 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\a1f4038388b274dfe6fed5cf7ddf51c638d4b5b459fbd7e80edf3b53e46cd64e.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/2732-130-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-131-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-132-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-133-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-134-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-135-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-136-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-137-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB
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memory/2732-138-0x00007FFAF6B90000-0x00007FFAF6BA0000-memory.dmpFilesize
64KB