Analysis
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max time kernel
136s -
max time network
130s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
21-01-2021 17:55
Static task
static1
Behavioral task
behavioral1
Sample
NEW AGREEMENT 2021.xlsx
Resource
win7v20201028
Behavioral task
behavioral2
Sample
NEW AGREEMENT 2021.xlsx
Resource
win10v20201028
General
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Target
NEW AGREEMENT 2021.xlsx
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Size
2.4MB
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MD5
d92414b9067c16cb85448a1d57495033
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SHA1
289708f65413544d5162c5c6814efe24da10b38b
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SHA256
36a96f3eaba0f196e2a300d1200154b29a82165b0fe7e308ed67076d8464a88c
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SHA512
9bd8463ebe29826feea9aa04c94f6067ee40f6786e6137eb7a494e57bb417f0c2323997f7241387a946ef53c8932ba9b7d0f1dfb61265d96883d1feea0b33881
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 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
Processes:
EXCEL.EXEpid process 4716 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4716 EXCEL.EXE 4716 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 EXCEL.EXE 4716 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\NEW AGREEMENT 2021.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4716-2-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmpFilesize
64KB
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memory/4716-3-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmpFilesize
64KB
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memory/4716-4-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmpFilesize
64KB
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memory/4716-6-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmpFilesize
64KB
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memory/4716-5-0x00007FF864160000-0x00007FF864797000-memory.dmpFilesize
6.2MB