Analysis
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max time kernel
149s -
max time network
145s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:06
Behavioral task
behavioral1
Sample
168118eaff3d0de6bbbe2657aa5b098bda177bfcfea7e946aa285e76ad98bed9.xls
Resource
win10-20220414-en
General
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Target
168118eaff3d0de6bbbe2657aa5b098bda177bfcfea7e946aa285e76ad98bed9.xls
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Size
95KB
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MD5
e84227d25d4cc7d218689192ef67bef4
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SHA1
80ee4183e570dd97bb099397484bf86a548c5a82
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SHA256
168118eaff3d0de6bbbe2657aa5b098bda177bfcfea7e946aa285e76ad98bed9
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SHA512
56d12478cfc01d4d295cce6a65ed4d4047f4bffcf5ca3db460a5d55d40854ed4056bcf5ed7158386a3fc0aa6efb42d7d5a51bb17d788fe01f171c08d4504c195
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 4492 3000 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 720 3000 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3444 3000 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 5060 3000 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 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 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 3000 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3000 EXCEL.EXE 3000 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE 3000 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3000 wrote to memory of 4492 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 4492 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 720 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 720 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 3444 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 3444 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 5060 3000 EXCEL.EXE regsvr32.exe PID 3000 wrote to memory of 5060 3000 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\168118eaff3d0de6bbbe2657aa5b098bda177bfcfea7e946aa285e76ad98bed9.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
Loading Replay Monitor...
Downloads
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memory/720-249-0x0000000000000000-mapping.dmp
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memory/3000-114-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmpFilesize
64KB
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memory/3000-115-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmpFilesize
64KB
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memory/3000-116-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmpFilesize
64KB
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memory/3000-117-0x00007FFC64F50000-0x00007FFC64F60000-memory.dmpFilesize
64KB
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memory/3000-126-0x00007FFC61C00000-0x00007FFC61C10000-memory.dmpFilesize
64KB
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memory/3000-127-0x00007FFC61C00000-0x00007FFC61C10000-memory.dmpFilesize
64KB
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memory/3444-250-0x0000000000000000-mapping.dmp
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memory/4492-248-0x0000000000000000-mapping.dmp
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memory/5060-253-0x0000000000000000-mapping.dmp