Analysis
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max time kernel
60s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-09-2024 21:58
Behavioral task
behavioral1
Sample
39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.xls
Resource
win10v2004-20240802-en
General
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Target
39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.xls
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Size
36KB
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MD5
0d8f26ba173642d3ce6ab455f06f338a
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SHA1
74e40f10586d42e8d91ba46c29f21a8f06291dfd
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SHA256
39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572
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SHA512
6db94ead71b9df851634fdd44ea235c3595314d8e5384d392b789e8b2b730293f6da70d7de84c3d70f2c88ea2c51ff1ce19b03315a011e1d0d95fbed2b1d031d
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SSDEEP
768:0PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJJXeUVD91fJGDckKtew:wok3hbdlylKsgqopeJBWhZFGkE+cL2N8
Malware Config
Signatures
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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 1140 3736 explorer.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
WScript.exeflow pid process 26 4800 WScript.exe 27 4800 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-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3736 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
EXCEL.EXEpid process 3736 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
EXCEL.EXEpid process 3736 EXCEL.EXE 3736 EXCEL.EXE 3736 EXCEL.EXE 3736 EXCEL.EXE 3736 EXCEL.EXE 3736 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
EXCEL.EXEexplorer.exedescription pid process target process PID 3736 wrote to memory of 1140 3736 EXCEL.EXE explorer.exe PID 3736 wrote to memory of 1140 3736 EXCEL.EXE explorer.exe PID 3932 wrote to memory of 4800 3932 explorer.exe WScript.exe PID 3932 wrote to memory of 4800 3932 explorer.exe WScript.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\39cb6da2979297ede8b90d58cfdf7af1a238cf33e96df1bf587c57c4ee441572.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
PID:3736 -
C:\Windows\explorer.exeexplorer.exe C:\Users\Public\Documents\qdeDxo.vbs2⤵
- Process spawned unexpected child process
PID:1140
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\qdeDxo.vbs"2⤵
- Blocklisted process makes network request
PID:4800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
578B
MD5e64db1480dbe3731df10bc880e8fb802
SHA100d2736ee984707cc7c3086aca325bf8e2c49d2e
SHA2562562f21d2323ff1c6c6749aaef8bb7fc536e0acfd7b9fae92b24447e1d7c8311
SHA51276064a665802d9a3d1749784050ca1254936897e51e710004f722ab373d50a5d99d059b4784a3a8cef266ee51ee895afc520ab16670535102273e90ca65fe1b4