Analysis
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max time kernel
126s -
max time network
126s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
15-01-2022 01:33
Behavioral task
behavioral1
Sample
b654e1b1f4906be1e6155ad03eba53894dfa66ba899732c7f4cacac7a98d1f6e.xlsm
Resource
win10-en-20211208
Behavioral task
behavioral2
Sample
b654e1b1f4906be1e6155ad03eba53894dfa66ba899732c7f4cacac7a98d1f6e.xlsm
Resource
win10-en-20211208
General
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Target
b654e1b1f4906be1e6155ad03eba53894dfa66ba899732c7f4cacac7a98d1f6e.xlsm
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Size
83KB
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MD5
bdc6d97b7154f28cc5bfb7d95190a1fa
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SHA1
37d3583e2cd06ebf7b6ec8768abb635c5a1dd3d9
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SHA256
b654e1b1f4906be1e6155ad03eba53894dfa66ba899732c7f4cacac7a98d1f6e
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SHA512
ad96e4126355d96c20fb777cb0ea4aaffe25423cd79b7c779e2b01fd4046c4135250d8273577a034390074dd9adea0dc6adf01313e72d2b89bbe481da29b2016
Malware Config
Extracted
https://zml.laneso.com/packet/AlvJ8OdtSYEeeCQP/
http://ostadsarma.com/wp-admin/JNgASjNC/
http://govtjobresultbd.xyz/sjjz/UIUhOHsLqjOy9/
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\~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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 3476 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 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\b654e1b1f4906be1e6155ad03eba53894dfa66ba899732c7f4cacac7a98d1f6e.xlsm"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/3476-115-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmpFilesize
64KB
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memory/3476-116-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmpFilesize
64KB
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memory/3476-117-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmpFilesize
64KB
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memory/3476-118-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmpFilesize
64KB
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memory/3476-120-0x000001A1299B0000-0x000001A1299B2000-memory.dmpFilesize
8KB
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memory/3476-119-0x000001A1299B0000-0x000001A1299B2000-memory.dmpFilesize
8KB
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memory/3476-121-0x000001A1299B0000-0x000001A1299B2000-memory.dmpFilesize
8KB
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memory/3476-127-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmpFilesize
64KB
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memory/3476-167-0x000001A1299B0000-0x000001A1299B2000-memory.dmpFilesize
8KB
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memory/3476-166-0x000001A1299B0000-0x000001A1299B2000-memory.dmpFilesize
8KB