Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:19
Behavioral task
behavioral1
Sample
0e3104c415d156cdae9df3a08bb9b8d4b9ae6b305465b09a15bd91e3c796b482.xls
Resource
win10-20220414-en
General
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Target
0e3104c415d156cdae9df3a08bb9b8d4b9ae6b305465b09a15bd91e3c796b482.xls
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Size
95KB
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MD5
82bac27b9ca2637d502aaa1bf954d3bc
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SHA1
55f92cd5e362d092f961847c84dae07ab56f832b
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SHA256
0e3104c415d156cdae9df3a08bb9b8d4b9ae6b305465b09a15bd91e3c796b482
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SHA512
ab34fcfa737b9e0df26849dce41b9fce714bc2ce898ed5cf7f8004cb79ce9e468e008eaaa83338161328f439a95db5047acc67247b8628fc611245c2d597f926
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 4876 984 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4880 984 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4800 984 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3816 984 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 984 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 984 EXCEL.EXE 984 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE 984 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 984 wrote to memory of 4876 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 4876 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 4880 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 4880 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 4800 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 4800 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 3816 984 EXCEL.EXE regsvr32.exe PID 984 wrote to memory of 3816 984 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\0e3104c415d156cdae9df3a08bb9b8d4b9ae6b305465b09a15bd91e3c796b482.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- 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/984-117-0x00007FFF4F230000-0x00007FFF4F240000-memory.dmpFilesize
64KB
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memory/984-118-0x00007FFF4F230000-0x00007FFF4F240000-memory.dmpFilesize
64KB
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memory/984-119-0x00007FFF4F230000-0x00007FFF4F240000-memory.dmpFilesize
64KB
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memory/984-120-0x00007FFF4F230000-0x00007FFF4F240000-memory.dmpFilesize
64KB
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memory/984-129-0x00007FFF4B9B0000-0x00007FFF4B9C0000-memory.dmpFilesize
64KB
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memory/984-130-0x00007FFF4B9B0000-0x00007FFF4B9C0000-memory.dmpFilesize
64KB
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memory/3816-272-0x0000000000000000-mapping.dmp
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memory/4800-269-0x0000000000000000-mapping.dmp
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memory/4876-267-0x0000000000000000-mapping.dmp
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memory/4880-268-0x0000000000000000-mapping.dmp