Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:30
Behavioral task
behavioral1
Sample
0ea2534b41a86a12c0b96e99a527682027c7c1f528d912184cc2cf50e7eb4879.xls
Resource
win10-20220414-en
General
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Target
0ea2534b41a86a12c0b96e99a527682027c7c1f528d912184cc2cf50e7eb4879.xls
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Size
95KB
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MD5
954c5a1d7f9729632bfd175a3e3c8b87
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SHA1
c8faefc096689be8b7e68236d0eb4e5328260665
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SHA256
0ea2534b41a86a12c0b96e99a527682027c7c1f528d912184cc2cf50e7eb4879
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SHA512
b13ed18cec24635fd235625a1e9e04216c7c0ab8a5570d37423e246b8d36666e06c2e922ded2046a34151fa3fbffe7b015d61a4efd5e2c4feab0389d1aa76fbf
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 3452 1276 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1396 1276 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2076 1276 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2272 1276 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 1276 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE 1276 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1276 wrote to memory of 3452 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 3452 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 1396 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 1396 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 2076 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 2076 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 2272 1276 EXCEL.EXE regsvr32.exe PID 1276 wrote to memory of 2272 1276 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\0ea2534b41a86a12c0b96e99a527682027c7c1f528d912184cc2cf50e7eb4879.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
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Downloads
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memory/1276-117-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
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memory/1276-118-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
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memory/1276-119-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
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memory/1276-120-0x00007FFE6B3E0000-0x00007FFE6B3F0000-memory.dmpFilesize
64KB
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memory/1276-129-0x00007FFE67870000-0x00007FFE67880000-memory.dmpFilesize
64KB
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memory/1276-130-0x00007FFE67870000-0x00007FFE67880000-memory.dmpFilesize
64KB
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memory/1396-260-0x0000000000000000-mapping.dmp
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memory/2076-261-0x0000000000000000-mapping.dmp
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memory/2272-264-0x0000000000000000-mapping.dmp
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memory/3452-259-0x0000000000000000-mapping.dmp