Analysis
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max time kernel
162s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 19:26
Behavioral task
behavioral1
Sample
418cbd99460c6c24ddd1aa7072e2a2a1d3c4a5546aa75d0e11b034015488b041.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
418cbd99460c6c24ddd1aa7072e2a2a1d3c4a5546aa75d0e11b034015488b041.xls
Resource
win10v2004-20220812-en
General
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Target
418cbd99460c6c24ddd1aa7072e2a2a1d3c4a5546aa75d0e11b034015488b041.xls
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Size
102KB
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MD5
2269705b0b0087eeeaa0e898ca3d6a58
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SHA1
e78bab8a55d6e9859455572f55061729f25ff9f1
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SHA256
418cbd99460c6c24ddd1aa7072e2a2a1d3c4a5546aa75d0e11b034015488b041
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SHA512
9ebd0a1820f06d5bccd3088a451c42f30d0edf17246ff3c7deb8d42c047e972d528310a8755fb965546700995f40754ef82c034f9d23370722250de0a35354ac
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SSDEEP
1536:LQQQca5QyDHBWVbrzlp7ITkR62lGM88wcJtXwRlM2M/M/EbdF:+WVbrz/7ITk9tjDJtXw45kYdF
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 216 4492 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 400 4492 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2876 4492 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
NTFS ADS 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\AC675E00\:Zone.Identifier:$DATA EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4492 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
EXCEL.EXEpid process 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE 4492 EXCEL.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
EXCEL.EXEcmd.exedescription pid process target process PID 4492 wrote to memory of 216 4492 EXCEL.EXE cmd.exe PID 4492 wrote to memory of 216 4492 EXCEL.EXE cmd.exe PID 4492 wrote to memory of 400 4492 EXCEL.EXE cmd.exe PID 4492 wrote to memory of 400 4492 EXCEL.EXE cmd.exe PID 4492 wrote to memory of 2876 4492 EXCEL.EXE cmd.exe PID 4492 wrote to memory of 2876 4492 EXCEL.EXE cmd.exe PID 216 wrote to memory of 4456 216 cmd.exe attrib.exe PID 216 wrote to memory of 4456 216 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\418cbd99460c6c24ddd1aa7072e2a2a1d3c4a5546aa75d0e11b034015488b041.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 Del /F /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 RD /S /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
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Downloads
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memory/216-139-0x0000000000000000-mapping.dmp
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memory/400-140-0x0000000000000000-mapping.dmp
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memory/2876-141-0x0000000000000000-mapping.dmp
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memory/4456-143-0x0000000000000000-mapping.dmp
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memory/4492-136-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-137-0x00007FF8CF0D0000-0x00007FF8CF0E0000-memory.dmpFilesize
64KB
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memory/4492-138-0x00007FF8CF0D0000-0x00007FF8CF0E0000-memory.dmpFilesize
64KB
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memory/4492-132-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-135-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-134-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-142-0x00000124AFBAF000-0x00000124AFBB1000-memory.dmpFilesize
8KB
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memory/4492-133-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-144-0x00000124AFBAF000-0x00000124AFBB1000-memory.dmpFilesize
8KB
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memory/4492-146-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-147-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-148-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB
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memory/4492-149-0x00007FF8D11D0000-0x00007FF8D11E0000-memory.dmpFilesize
64KB