Analysis
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max time kernel
121s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 13:46
Behavioral task
behavioral1
Sample
3a266e9c0146b85916c7a5e468a28b93268dea35e755469434cf359a4c2a1289.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3a266e9c0146b85916c7a5e468a28b93268dea35e755469434cf359a4c2a1289.xls
Resource
win10v2004-20220901-en
General
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Target
3a266e9c0146b85916c7a5e468a28b93268dea35e755469434cf359a4c2a1289.xls
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Size
164KB
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MD5
04721b94e33924afac3db810a7a66cb6
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SHA1
bcf69a822401ad55bf1470546ab5d1ec29bc4028
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SHA256
3a266e9c0146b85916c7a5e468a28b93268dea35e755469434cf359a4c2a1289
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SHA512
32c917ad91a4d339e016e2c4adb816ee25cff5e7b4744c7e8e33c9b31f5ae371348406f2dd12cac6b8407971ab21e6305bce0a2e8be49620150e59e729cd06bd
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SSDEEP
3072:1GTLPexEOH0bENen5EKfv9C3Vfy2nfdqdWVbrzI47ITk9DcbA5kf7us:1GfexNeam9a59q9NBus
Malware Config
Signatures
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Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1300 2340 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4444 2340 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1220 2340 cmd.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 -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\E5D65E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2340 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE 2340 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 2340 wrote to memory of 1300 2340 EXCEL.EXE cmd.exe PID 2340 wrote to memory of 1300 2340 EXCEL.EXE cmd.exe PID 2340 wrote to memory of 1220 2340 EXCEL.EXE cmd.exe PID 2340 wrote to memory of 1220 2340 EXCEL.EXE cmd.exe PID 2340 wrote to memory of 4444 2340 EXCEL.EXE cmd.exe PID 2340 wrote to memory of 4444 2340 EXCEL.EXE cmd.exe PID 1300 wrote to memory of 2420 1300 cmd.exe attrib.exe PID 1300 wrote to memory of 2420 1300 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 1 IoCs
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\3a266e9c0146b85916c7a5e468a28b93268dea35e755469434cf359a4c2a1289.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"3⤵
- Views/modifies file attributes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1220-140-0x0000000000000000-mapping.dmp
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memory/1300-139-0x0000000000000000-mapping.dmp
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memory/2340-144-0x0000016C352D2000-0x0000016C352D4000-memory.dmpFilesize
8KB
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memory/2340-133-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-136-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-137-0x00007FF9A4260000-0x00007FF9A4270000-memory.dmpFilesize
64KB
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memory/2340-138-0x00007FF9A4260000-0x00007FF9A4270000-memory.dmpFilesize
64KB
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memory/2340-134-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-149-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-135-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-148-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-143-0x0000016C352D2000-0x0000016C352D4000-memory.dmpFilesize
8KB
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memory/2340-132-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-146-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2340-147-0x00007FF9A63F0000-0x00007FF9A6400000-memory.dmpFilesize
64KB
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memory/2420-142-0x0000000000000000-mapping.dmp
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memory/4444-141-0x0000000000000000-mapping.dmp