Analysis
-
max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2023 19:21
Behavioral task
behavioral1
Sample
930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.xls
Resource
win10v2004-20220812-en
General
-
Target
930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.xls
-
Size
36KB
-
MD5
31c0da3948583c2435e599f94b8900c1
-
SHA1
aee1da09649da6b2124b3efc7a37cb0ece4b05b0
-
SHA256
930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b
-
SHA512
ce0979707e3e320e7a86129640daae9d207758d005e15f044198c06e0a9665f260ceee0f205fff376d82570e065436aa032144471d0c14f645b3fa8c5338021c
-
SSDEEP
768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJhTbDPux7XxGIMgqf+VsY:Cok3hbdlylKsgqopeJBWhZFGkE+cL2Nz
Malware Config
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
explorer.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1508 1260 explorer.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
WScript.exeflow pid process 30 3964 WScript.exe 38 3964 WScript.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 -
Modifies registry class 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1260 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
EXCEL.EXEpid process 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE 1260 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 1260 wrote to memory of 1508 1260 EXCEL.EXE explorer.exe PID 1260 wrote to memory of 1508 1260 EXCEL.EXE explorer.exe PID 1412 wrote to memory of 3964 1412 explorer.exe WScript.exe PID 1412 wrote to memory of 3964 1412 explorer.exe WScript.exe
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\930aa44813720d859563dae510deb7c3e72e9a92de3bb57b3b4d3b5b885ff00b.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\VvAj6z8w.vbs2⤵
- Process spawned unexpected child process
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\VvAj6z8w.vbs"2⤵
- Blocklisted process makes network request
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Public\Documents\VvAj6z8w.vbsFilesize
574B
MD5cb5bdba7f1a925ebb8c6ce49d3193a4b
SHA16580d3334cf4435d51f103a91ca7c31a9f6b96d9
SHA2563e1587f06aedb182a45bd992c19f5fee6c16c5589a4008186078de3769f41b9d
SHA512772284ef4f77b1f413848b3bc6f56a4c25bf6e74eb7f6cb5a1aba036dd2079542390ccb10d2997c512dc16c238922933dff18f6069b92e0f18d1426f60d36b4c
-
memory/1260-132-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmpFilesize
64KB
-
memory/1260-133-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmpFilesize
64KB
-
memory/1260-134-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmpFilesize
64KB
-
memory/1260-135-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmpFilesize
64KB
-
memory/1260-136-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmpFilesize
64KB
-
memory/1260-137-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmpFilesize
64KB
-
memory/1260-138-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmpFilesize
64KB
-
memory/1508-139-0x0000000000000000-mapping.dmp
-
memory/3964-141-0x0000000000000000-mapping.dmp