Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:25
Behavioral task
behavioral1
Sample
3970fe6a9de81eaeb722f32c905e4ecb209fe761f12f976a806cc73263b47b77.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
3970fe6a9de81eaeb722f32c905e4ecb209fe761f12f976a806cc73263b47b77.xls
Resource
win10-20220414-en
General
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Target
3970fe6a9de81eaeb722f32c905e4ecb209fe761f12f976a806cc73263b47b77.xls
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Size
95KB
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MD5
b3a15d0bf40986c37a5b273b4fa55162
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SHA1
8dd08e57a49d529549a39afaee6f4a41152046e9
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SHA256
3970fe6a9de81eaeb722f32c905e4ecb209fe761f12f976a806cc73263b47b77
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SHA512
a6bfafcedecf86df22cf9b8fcdedd0d1376b842f6f017acb10dea955a92690397fdee4b149bbcd83c281a412c0d525a2488440181fcf8bde4aedad93bbb3ca28
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4068 2024 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1780 2024 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1132 2024 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1744 2024 regsvr32.exe EXCEL.EXE -
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 2024 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE 2024 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 2024 wrote to memory of 4068 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 4068 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1780 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1780 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1132 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1132 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1744 2024 EXCEL.EXE regsvr32.exe PID 2024 wrote to memory of 1744 2024 EXCEL.EXE regsvr32.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\3970fe6a9de81eaeb722f32c905e4ecb209fe761f12f976a806cc73263b47b77.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1132-278-0x0000000000000000-mapping.dmp
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memory/1744-281-0x0000000000000000-mapping.dmp
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memory/1780-277-0x0000000000000000-mapping.dmp
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memory/2024-114-0x00007FFDA13C0000-0x00007FFDA13D0000-memory.dmpFilesize
64KB
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memory/2024-115-0x00007FFDA13C0000-0x00007FFDA13D0000-memory.dmpFilesize
64KB
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memory/2024-116-0x00007FFDA13C0000-0x00007FFDA13D0000-memory.dmpFilesize
64KB
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memory/2024-117-0x00007FFDA13C0000-0x00007FFDA13D0000-memory.dmpFilesize
64KB
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memory/2024-126-0x00007FFD9D8C0000-0x00007FFD9D8D0000-memory.dmpFilesize
64KB
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memory/2024-127-0x00007FFD9D8C0000-0x00007FFD9D8D0000-memory.dmpFilesize
64KB
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memory/4068-276-0x0000000000000000-mapping.dmp