Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:19
Behavioral task
behavioral1
Sample
236ac6c0eb07ff8eec04c23ea23ca2a344ccb87dc00280228d34f835480942db.xls
Resource
win10-20220414-en
Behavioral task
behavioral2
Sample
236ac6c0eb07ff8eec04c23ea23ca2a344ccb87dc00280228d34f835480942db.xls
Resource
win10-20220414-en
General
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Target
236ac6c0eb07ff8eec04c23ea23ca2a344ccb87dc00280228d34f835480942db.xls
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Size
95KB
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MD5
ac42c1708ee94a690d026807ac24c107
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SHA1
3c4d0944d1fff44975f42a15d442c02cc29f78e9
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SHA256
236ac6c0eb07ff8eec04c23ea23ca2a344ccb87dc00280228d34f835480942db
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SHA512
fa4377c7467c5fbb9b9d21b66ffd069268ca731bcf11de138dd47df4a2f46f41f99e585ca37b3d4e03512767451d22b094196bf1f6953c871e1de8e89edb8562
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 3128 3192 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4396 3192 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4832 3192 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4380 3192 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 3192 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3192 EXCEL.EXE 3192 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE 3192 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3192 wrote to memory of 3128 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 3128 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4396 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4396 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4832 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4832 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4380 3192 EXCEL.EXE regsvr32.exe PID 3192 wrote to memory of 4380 3192 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\236ac6c0eb07ff8eec04c23ea23ca2a344ccb87dc00280228d34f835480942db.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/3128-256-0x0000000000000000-mapping.dmp
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memory/3192-117-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmpFilesize
64KB
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memory/3192-118-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmpFilesize
64KB
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memory/3192-119-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmpFilesize
64KB
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memory/3192-120-0x00007FFD648C0000-0x00007FFD648D0000-memory.dmpFilesize
64KB
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memory/3192-129-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmpFilesize
64KB
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memory/3192-130-0x00007FFD618E0000-0x00007FFD618F0000-memory.dmpFilesize
64KB
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memory/4380-263-0x0000000000000000-mapping.dmp
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memory/4396-257-0x0000000000000000-mapping.dmp
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memory/4832-260-0x0000000000000000-mapping.dmp